Date   

Re: COZY: For sale or trade: Cozy 3

Terrence Bartley
 

That airplane should be worth a lot more than $30k.

 

Terry

 

Terrence E. Bartley

2012 Teakwood Ln

Port Orange, FL 32128

443-463-6465

 

Long EZ N425KT

New Smyrna Beach Airport

EVB

New Smyrna Beach, FL

 

 

 

From: canard-aviators@canardzone.groups.io <canard-aviators@canardzone.groups.io> On Behalf Of Marlon Gunderson via groups.io
Sent: Saturday, August 1, 2020 4:17 PM
To: canard-aviators@canardzone.groups.io
Subject: Re: [c-a] COZY: For sale or trade: Cozy 3

 

Hi Eric, I've pulled the ad. Got cold feet on the idea.  Thanks anyway.

Marlon

 

On Sat, Aug 1, 2020 at 11:52 AM Eric Del via groups.io <zoom2136=yahoo.com@groups.io> wrote:

Hi Marlon, send me an email I may have a buyer for you.

Eric D.

Cozy III / C-GEDZ

 

On Friday, July 31, 2020, 11:44 AM, Marlon Gunderson <sondergun@...> wrote:

2017 Cozy 3  $30K

 

AFTT will cross 100 hrs next week

I can deliver in the lower 48 for return fare

 

Unfortunately this AC doesn't work for flying my family, due more to my dimensions and my passengers' agility than to the Cozy, although honestly the Cozy 3 is really is better suited to early 20th century sized people (like Nat Puffer).

It's great for me solo (I'm 6', 210 lbs.), but I need a comfortable alternative to commercial flying for my family of 3 particularly during Covid, so I'm looking to get a fast flying station wagon, maybe a Bonanza, and I can't have a 3rd aircraft.

 

I am only advertising on the Cozy and Canard forums, and the price is reflective of the fact that this is a flying project and I'm going to need a buyer who is capable of working on the airplane and is willing to contractually indemnify me of liability.  

The biggest squawks are: I still don't have adequate cooling on cyl #4, it has a nuisance oil leak that I haven't been able to find, cabin heat is anemic, and I haven't installed wheel pants yet.

 

Pix, POH, Build Logs, and info are available at:

 

Text from the 'Readme' in the dropbox folder above is copied below.

 

Thanks for your consideration,

 

Marlon Gunderson

Lake Elmo, MN

 

Cozy III N129GR

Builders:

First 95%: Gary Riedel 1986-1994 (A&P, IA, career mechanic at Bassler@OSH and NWA@MSP)

Last 5%:   Marlon Gunderson 2013-2017

29 April 2017 FAA Special Airworthiness Certificate granted

 

AFTT ~100hrs

Engine: Lycoming O-320-E2D 890 SMOH, 2790 TT (from a Skyhawk via Wentworth AC) all cyl's mid-70s.

New at AF completion:

   1 Slick 4370 Mag, 1 Lightspeed Plasma III Electronic Ign,

   Fuel pump, Oil Pump,

   Carburetor Marvel-Schebler MA-SPA4 10-5009

   Hertzler Silver Bullet prop

E.W. 998 lbs

G.W. 1600 lbs

Fuel cap: 50gal

GU canard

 

Avionics

Garmin G5 PFD (non-TSO version)

Garmin GMU-11 digital magnetometer & GAD-29 connector for future gps/nav interface

Garmin GFC 500 (non-TSO equivalent) 2 axis Autopilot System (GSA-28 roll and pitch servos, GMC-507 controller)

Garmin Aera 660 (panel cradle mounted portable GPS) terrain, synthetic vision, autopilot control output

King KT76A Mode C Transponder

ADSB uAvionics Echo w/SkyFly WAAS GPS

    'In' Traffic and Wx displayed over FAA sectional maps on 8” RAM mount tablet via WIFI

EMS MGL Xtreme

   Tachometer, Fuel Flow,

   4x CHT, 4x EGT,

   OAT, Carb Temp, Firewall Temp,

   Manifold Pressure, Battery Voltage

Discrete gauges:

   Oil Temp, Oil Pressure,

   Fuel Pressure, Ammeter

   ASI, Altimeter, Magnetic compass

COM1 Becker AR4201

COM2 Valcom 760

Audio Panel PS Eng. PMA 4000

3ea Headset jacks + Aux. Input jack for music, podcasts

 

Sam James wheel pants purchased, not yet installed.

Write-up of panel upgrade last winter in this local EAA Chapter newsletter.

 


Re: COZY: For sale or trade: Cozy 3

Eric Del
 

Let me know if you put it back up for sale.


Sent from Yahoo Mail for iPad

On Saturday, August 1, 2020, 4:17 PM, Marlon Gunderson <sondergun@...> wrote:

Hi Eric, I've pulled the ad. Got cold feet on the idea.  Thanks anyway.
Marlon

On Sat, Aug 1, 2020 at 11:52 AM Eric Del via groups.io <zoom2136=yahoo.com@groups.io> wrote:
Hi Marlon, send me an email I may have a buyer for you.


Eric D.
Cozy III / C-GEDZ


On Friday, July 31, 2020, 11:44 AM, Marlon Gunderson <sondergun@...> wrote:

2017 Cozy 3  $30K
 
AFTT will cross 100 hrs next week
I can deliver in the lower 48 for return fare
 
Unfortunately this AC doesn't work for flying my family, due more to my dimensions and my passengers' agility than to the Cozy, although honestly the Cozy 3 is really is better suited to early 20th century sized people (like Nat Puffer).
It's great for me solo (I'm 6', 210 lbs.), but I need a comfortable alternative to commercial flying for my family of 3 particularly during Covid, so I'm looking to get a fast flying station wagon, maybe a Bonanza, and I can't have a 3rd aircraft.
 
I am only advertising on the Cozy and Canard forums, and the price is reflective of the fact that this is a flying project and I'm going to need a buyer who is capable of working on the airplane and is willing to contractually indemnify me of liability.  
The biggest squawks are: I still don't have adequate cooling on cyl #4, it has a nuisance oil leak that I haven't been able to find, cabin heat is anemic, and I haven't installed wheel pants yet.
 
Pix, POH, Build Logs, and info are available at:
 
Text from the 'Readme' in the dropbox folder above is copied below.
 
Thanks for your consideration,
 
Marlon Gunderson
Lake Elmo, MN

 

Cozy III N129GR

Builders:

First 95%: Gary Riedel 1986-1994 (A&P, IA, career mechanic at Bassler@OSH and NWA@MSP)

Last 5%:   Marlon Gunderson 2013-2017

29 April 2017 FAA Special Airworthiness Certificate granted

 

AFTT ~100hrs

Engine: Lycoming O-320-E2D 890 SMOH, 2790 TT (from a Skyhawk via Wentworth AC) all cyl's mid-70s.

New at AF completion:

   1 Slick 4370 Mag, 1 Lightspeed Plasma III Electronic Ign,

   Fuel pump, Oil Pump,

   Carburetor Marvel-Schebler MA-SPA4 10-5009

   Hertzler Silver Bullet prop

E.W. 998 lbs

G.W. 1600 lbs

Fuel cap: 50gal

GU canard

 

Avionics

Garmin G5 PFD (non-TSO version)

Garmin GMU-11 digital magnetometer & GAD-29 connector for future gps/nav interface

Garmin GFC 500 (non-TSO equivalent) 2 axis Autopilot System (GSA-28 roll and pitch servos, GMC-507 controller)

Garmin Aera 660 (panel cradle mounted portable GPS) terrain, synthetic vision, autopilot control output

King KT76A Mode C Transponder

ADSB uAvionics Echo w/SkyFly WAAS GPS

    'In' Traffic and Wx displayed over FAA sectional maps on 8” RAM mount tablet via WIFI

EMS MGL Xtreme

   Tachometer, Fuel Flow,

   4x CHT, 4x EGT,

   OAT, Carb Temp, Firewall Temp,

   Manifold Pressure, Battery Voltage

Discrete gauges:

   Oil Temp, Oil Pressure,

   Fuel Pressure, Ammeter

   ASI, Altimeter, Magnetic compass

COM1 Becker AR4201

COM2 Valcom 760

Audio Panel PS Eng. PMA 4000

3ea Headset jacks + Aux. Input jack for music, podcasts

 

Sam James wheel pants purchased, not yet installed.

Write-up of panel upgrade last winter in this local EAA Chapter newsletter.

 


Re: COZY: For sale or trade: Cozy 3

Marlon Gunderson
 

Hi Eric, I've pulled the ad. Got cold feet on the idea.  Thanks anyway.
Marlon


On Sat, Aug 1, 2020 at 11:52 AM Eric Del via groups.io <zoom2136=yahoo.com@groups.io> wrote:
Hi Marlon, send me an email I may have a buyer for you.


Eric D.
Cozy III / C-GEDZ


On Friday, July 31, 2020, 11:44 AM, Marlon Gunderson <sondergun@...> wrote:

2017 Cozy 3  $30K
 
AFTT will cross 100 hrs next week
I can deliver in the lower 48 for return fare
 
Unfortunately this AC doesn't work for flying my family, due more to my dimensions and my passengers' agility than to the Cozy, although honestly the Cozy 3 is really is better suited to early 20th century sized people (like Nat Puffer).
It's great for me solo (I'm 6', 210 lbs.), but I need a comfortable alternative to commercial flying for my family of 3 particularly during Covid, so I'm looking to get a fast flying station wagon, maybe a Bonanza, and I can't have a 3rd aircraft.
 
I am only advertising on the Cozy and Canard forums, and the price is reflective of the fact that this is a flying project and I'm going to need a buyer who is capable of working on the airplane and is willing to contractually indemnify me of liability.  
The biggest squawks are: I still don't have adequate cooling on cyl #4, it has a nuisance oil leak that I haven't been able to find, cabin heat is anemic, and I haven't installed wheel pants yet.
 
Pix, POH, Build Logs, and info are available at:
 
Text from the 'Readme' in the dropbox folder above is copied below.
 
Thanks for your consideration,
 
Marlon Gunderson
Lake Elmo, MN

 

Cozy III N129GR

Builders:

First 95%: Gary Riedel 1986-1994 (A&P, IA, career mechanic at Bassler@OSH and NWA@MSP)

Last 5%:   Marlon Gunderson 2013-2017

29 April 2017 FAA Special Airworthiness Certificate granted

 

AFTT ~100hrs

Engine: Lycoming O-320-E2D 890 SMOH, 2790 TT (from a Skyhawk via Wentworth AC) all cyl's mid-70s.

New at AF completion:

   1 Slick 4370 Mag, 1 Lightspeed Plasma III Electronic Ign,

   Fuel pump, Oil Pump,

   Carburetor Marvel-Schebler MA-SPA4 10-5009

   Hertzler Silver Bullet prop

E.W. 998 lbs

G.W. 1600 lbs

Fuel cap: 50gal

GU canard

 

Avionics

Garmin G5 PFD (non-TSO version)

Garmin GMU-11 digital magnetometer & GAD-29 connector for future gps/nav interface

Garmin GFC 500 (non-TSO equivalent) 2 axis Autopilot System (GSA-28 roll and pitch servos, GMC-507 controller)

Garmin Aera 660 (panel cradle mounted portable GPS) terrain, synthetic vision, autopilot control output

King KT76A Mode C Transponder

ADSB uAvionics Echo w/SkyFly WAAS GPS

    'In' Traffic and Wx displayed over FAA sectional maps on 8” RAM mount tablet via WIFI

EMS MGL Xtreme

   Tachometer, Fuel Flow,

   4x CHT, 4x EGT,

   OAT, Carb Temp, Firewall Temp,

   Manifold Pressure, Battery Voltage

Discrete gauges:

   Oil Temp, Oil Pressure,

   Fuel Pressure, Ammeter

   ASI, Altimeter, Magnetic compass

COM1 Becker AR4201

COM2 Valcom 760

Audio Panel PS Eng. PMA 4000

3ea Headset jacks + Aux. Input jack for music, podcasts

 

Sam James wheel pants purchased, not yet installed.

Write-up of panel upgrade last winter in this local EAA Chapter newsletter.

 


Re: COZY: For sale or trade: Cozy 3

Eric Del
 

Hi Marlon, send me an email I may have a buyer for you.


Eric D.
Cozy III / C-GEDZ


On Friday, July 31, 2020, 11:44 AM, Marlon Gunderson <sondergun@...> wrote:

2017 Cozy 3  $30K
 
AFTT will cross 100 hrs next week
I can deliver in the lower 48 for return fare
 
Unfortunately this AC doesn't work for flying my family, due more to my dimensions and my passengers' agility than to the Cozy, although honestly the Cozy 3 is really is better suited to early 20th century sized people (like Nat Puffer).
It's great for me solo (I'm 6', 210 lbs.), but I need a comfortable alternative to commercial flying for my family of 3 particularly during Covid, so I'm looking to get a fast flying station wagon, maybe a Bonanza, and I can't have a 3rd aircraft.
 
I am only advertising on the Cozy and Canard forums, and the price is reflective of the fact that this is a flying project and I'm going to need a buyer who is capable of working on the airplane and is willing to contractually indemnify me of liability.  
The biggest squawks are: I still don't have adequate cooling on cyl #4, it has a nuisance oil leak that I haven't been able to find, cabin heat is anemic, and I haven't installed wheel pants yet.
 
Pix, POH, Build Logs, and info are available at:
 
Text from the 'Readme' in the dropbox folder above is copied below.
 
Thanks for your consideration,
 
Marlon Gunderson
Lake Elmo, MN

 

Cozy III N129GR

Builders:

First 95%: Gary Riedel 1986-1994 (A&P, IA, career mechanic at Bassler@OSH and NWA@MSP)

Last 5%:   Marlon Gunderson 2013-2017

29 April 2017 FAA Special Airworthiness Certificate granted

 

AFTT ~100hrs

Engine: Lycoming O-320-E2D 890 SMOH, 2790 TT (from a Skyhawk via Wentworth AC) all cyl's mid-70s.

New at AF completion:

   1 Slick 4370 Mag, 1 Lightspeed Plasma III Electronic Ign,

   Fuel pump, Oil Pump,

   Carburetor Marvel-Schebler MA-SPA4 10-5009

   Hertzler Silver Bullet prop

E.W. 998 lbs

G.W. 1600 lbs

Fuel cap: 50gal

GU canard

 

Avionics

Garmin G5 PFD (non-TSO version)

Garmin GMU-11 digital magnetometer & GAD-29 connector for future gps/nav interface

Garmin GFC 500 (non-TSO equivalent) 2 axis Autopilot System (GSA-28 roll and pitch servos, GMC-507 controller)

Garmin Aera 660 (panel cradle mounted portable GPS) terrain, synthetic vision, autopilot control output

King KT76A Mode C Transponder

ADSB uAvionics Echo w/SkyFly WAAS GPS

    'In' Traffic and Wx displayed over FAA sectional maps on 8” RAM mount tablet via WIFI

EMS MGL Xtreme

   Tachometer, Fuel Flow,

   4x CHT, 4x EGT,

   OAT, Carb Temp, Firewall Temp,

   Manifold Pressure, Battery Voltage

Discrete gauges:

   Oil Temp, Oil Pressure,

   Fuel Pressure, Ammeter

   ASI, Altimeter, Magnetic compass

COM1 Becker AR4201

COM2 Valcom 760

Audio Panel PS Eng. PMA 4000

3ea Headset jacks + Aux. Input jack for music, podcasts

 

Sam James wheel pants purchased, not yet installed.

Write-up of panel upgrade last winter in this local EAA Chapter newsletter.

 


Canard Calendar - August

Erlend Moen
 

The August Canard Desktop Calendar is ready for download.

As always: Thanks a lot for the many beautiful pictures I have received so far. I’m always looking for new pictures, if you have pictures to share, please send them over to me. I need as large resolution as possible. My bandwidth is no problem, so don’t be afraid to send over large images!

 

Safe flying (and building)!

 

Here is the link: http://ljosnes.no/cozy/canard-calendar

 

PS: If the new calendar doesn’t show up, it’s probably because the website is cached in your web browser. Try to hit F5 to reload the page if this happens.

--

Erlend Moen

Cozy #1556 – chapter 20


Re: Nice Long-EZ video on FlightChops

Bob Holliston
 

Jose, sure. 


On Mon, Jul 27, 2020 at 8:25 AM aviationeyes <skyeyecorp@...> wrote:
Hi Bob, If I ever get up to your neck of the woods, I'll beg you for a ride in your plane for gentle aerobatics. I'm too chicken to do by myself!
--Jose


On Sat, Jul 25, 2020, at 10:54 AM, Bob Holliston wrote:
Jose, that's exactly right, A barrel roll is 1 G all the way around if done properly after the pull up and you can't "feel" it. When my wife was more enthusiastic about flying with me than she is now, on cross country's I'd practice barrel rolls while she was sleeping in the back seat. Wouldn't wake her up either. A way to "cheat" is to push forward on the stick (progressively) as you go inverted so you're (almost but not quite) going negative. That way you don't have to pull the nose up as far and finish the roll less nose down. When my niece was going through the Air Force Academy she belonged to the glider club but had never flown a powered plane. When she was home on leave in summer I'd take her flying. After some practice she could do rolls from the back seat just as good as I could from the front. Now she flies C 140 (Super Herc's)  over the Atlantic refueling fighters on their way to Yerp. In the photo I AM going negative but I have a flop tube in the sump for inverted flight. 

On Fri, Jul 24, 2020 at 8:22 PM aviationeyes <skyeyecorp@...> wrote:


Ok, ok , I was casually thinking "gentleman aerobatics". So what is the perceived g load on the top of a well executed barrel roll? Should feel the same as in level flight (1G),no?
--Jose. 





On Fri, Jul 24, 2020, at 5:29 PM, Bob Holliston wrote:
Jose, what are 1 G aerobatics? You exceed 1 G just pulling the nose up to do a barrel roll. A loop (or a cuban eight) is around 4 G's. EZ's are fine for "gentleman aerobatics". Not so fine for inverted flat spins, etc. LOL.  

On Fri, Jul 24, 2020 at 1:45 PM aviationeyes <skyeyecorp@...> wrote:

Congrats to Kyle for a nice video showing off his airshow Long-EZ on the Flightchops youtube channel. Its good to bring exposure to the type.  The type was never recommended for aerobatics, but I've seen several Vari's and Long's doing 1 G aerobatics. Harmless enough, if properly trained as Kyle obviously is.
--Jose





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Re: Nice Long-EZ video on FlightChops

aviationeyes
 

Hi Bob, If I ever get up to your neck of the woods, I'll beg you for a ride in your plane for gentle aerobatics. I'm too chicken to do by myself!
--Jose


On Sat, Jul 25, 2020, at 10:54 AM, Bob Holliston wrote:
Jose, that's exactly right, A barrel roll is 1 G all the way around if done properly after the pull up and you can't "feel" it. When my wife was more enthusiastic about flying with me than she is now, on cross country's I'd practice barrel rolls while she was sleeping in the back seat. Wouldn't wake her up either. A way to "cheat" is to push forward on the stick (progressively) as you go inverted so you're (almost but not quite) going negative. That way you don't have to pull the nose up as far and finish the roll less nose down. When my niece was going through the Air Force Academy she belonged to the glider club but had never flown a powered plane. When she was home on leave in summer I'd take her flying. After some practice she could do rolls from the back seat just as good as I could from the front. Now she flies C 140 (Super Herc's)  over the Atlantic refueling fighters on their way to Yerp. In the photo I AM going negative but I have a flop tube in the sump for inverted flight. 

On Fri, Jul 24, 2020 at 8:22 PM aviationeyes <skyeyecorp@...> wrote:


Ok, ok , I was casually thinking "gentleman aerobatics". So what is the perceived g load on the top of a well executed barrel roll? Should feel the same as in level flight (1G),no?
--Jose. 





On Fri, Jul 24, 2020, at 5:29 PM, Bob Holliston wrote:
Jose, what are 1 G aerobatics? You exceed 1 G just pulling the nose up to do a barrel roll. A loop (or a cuban eight) is around 4 G's. EZ's are fine for "gentleman aerobatics". Not so fine for inverted flat spins, etc. LOL.  

On Fri, Jul 24, 2020 at 1:45 PM aviationeyes <skyeyecorp@...> wrote:

Congrats to Kyle for a nice video showing off his airshow Long-EZ on the Flightchops youtube channel. Its good to bring exposure to the type.  The type was never recommended for aerobatics, but I've seen several Vari's and Long's doing 1 G aerobatics. Harmless enough, if properly trained as Kyle obviously is.
--Jose





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Re: COZY: Long EZ and Cozy plans brake question.

Ron Springer
 

The upgrade kit to turn 199-102 brakes (0.187” rotors) into 199-156 brakes (0.3” rotors) is 199-093 and runs over $700 at Aircraft Spruce. This might be what Dell needs.

I made my own upgrade kit by buying two Rapco rotors, making my own spacers, and buying longer caliper bolts. It is new and sitting here still because due to other issues with my Cleveland wheels I just bought a whole new set of Groves.

I will sell the new Rapco rotors for half price and throw in the homemade spacers for free if anyone wants them.

Ron

On Jul 26, 2020, at 9:03 PM, Orr <david@...> wrote:

Too big for the Long EZ - there was/may be a Cleveland upgrade kit but Cleveland prices have skyrocketed.

David Orr

On 7/26/2020 10:22 AM, Kent or Jackie Ashton wrote:
The Cleveland “Heavy Duty” >2200 lbs brakes recommended in the plans for the Cozy IV were the #199-152 kit here
https://www.aircraftspruce.com/catalog/lgpages/cleve_heavydutywb.php

Yeah, the rotors were thicker than the usual EZ. Something like 3/8” vs 1/4”. Not really adequate for a Cozy IV but good for an EZ and a little less fiddly to maintain than Matcos.
-Kent

On Jul 26, 2020, at 12:50 PM, Del Schier <cozypilot@...> wrote:
I have been helping a friend that purchased a nice EZ. I just flew it for him for the second time this morning. I actually like flying it better than my Cozy except the cabin air vent is almost useless here in FL.
We are both wondering if the brakes are OK. I took the Cleveland brakes off my Cozy and put Matco’s on but my old Cozy Clevelands have much thicker rotors; about twice as thick as his EZ. I thought the original plans brakes for the Cozy were the same as an EZ and the same thing as on a Cessna 150; is that not correct? The numbers are long gone off of both sets of Clevelands so it is hard to look up the minimum thickness.
We think the EZ brakes have .163” for minimum rotor thickness. My old work Cozy discs read about .340”
Thanks in advance for any help.
Del Schier
Cozy IV N197DL
Cannon Creek Airpark 15FL

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Re: COZY: Long EZ and Cozy plans brake question.

Marc J. Zeitlin
 

Paul Roberts wrote:

Here are the Cleveland brakes on my cozy (under construction). Identification tags still fresh. I measured the thickness of the rotor as 3/8 thick. Are these brakes not good enough for a cozy 4?

25 years worth of COZY mailing list archives are replete with discussions of brake issues.

While the original Cleveland brakes on the Long-EZ were acceptable, the heavy duty Clevelands are more than acceptable from an energy absorption standpoint for Long-EZ's, particularly since very few LE's pay attention to the MGW limits imposed by Burt in the POH. They're also acceptable for COZY III's at 1500 - 1600 lb. MGW.

However, with the extra weight of the COZY MKIV, even at the BOOK value of 2050 lb (which exactly zero COZY MKIV's come in at or under, including mine - most are in the 2150n - 2250 range, with a not insubstantial number even higher) even the heavy duty Clevelands that you show (and the equivalent Groves) are inadequate in emergency situations. They're OK for standard ops - they'll stop you during taxiing and in normal landings without overheating, they won't boil the fluid and they have reasonable torque values.

BUT, in an aborted takeoff at high DA's (and depending upon weight, lower DA's), you WILL exceed the energy capacity of the brakes and risk brake fade and overheating (read, strut damage). Given that you want to stop the plane before running off the end of the runway in an aborted takeoff, well, having brakes that don't fade is important.

Does this happen often? No. Has it happened? Yes. Is it a risk and something to think about? Yes. There are two MFG's of 5.00 x 5 wheels and brakes that meet the energy absorption capacity requirements of an MGW COZY  MKIV at higher DA's (which lead to higher GS's at the same IAS). These are the MATCO triple puck brakes, and as of a few years ago, the new Beringer High Energy wheels/brakes.

Most COZY MKIV's do not have MATCO brakes, but a substantial percentage do (as does mine and the other MKIV in my shop now). If I had $3500 burning a hole in my pocket, I'd replace my MATCO's with Beringers as a test and to save some weight. But I don't...

--
Marc J. Zeitlin                      marc_zeitlin@...
                                            http://www.cozybuilders.org/
Copyright © 2020                     Burnside Aerospace


Re: COZY: Long EZ and Cozy plans brake question.

kent ashton
 

The Cleveland “Heavy Duty” >2200 lbs brakes recommended in the plans for the Cozy IV were the #199-152 kit here
https://www.aircraftspruce.com/catalog/lgpages/cleve_heavydutywb.php

Yeah, the rotors were thicker than the usual EZ. Something like 3/8” vs 1/4”. Not really adequate for a Cozy IV but good for an EZ and a little less fiddly to maintain than Matcos.
-Kent

On Jul 26, 2020, at 12:50 PM, Del Schier <cozypilot@...> wrote:

I have been helping a friend that purchased a nice EZ. I just flew it for him for the second time this morning. I actually like flying it better than my Cozy except the cabin air vent is almost useless here in FL.

We are both wondering if the brakes are OK. I took the Cleveland brakes off my Cozy and put Matco’s on but my old Cozy Clevelands have much thicker rotors; about twice as thick as his EZ. I thought the original plans brakes for the Cozy were the same as an EZ and the same thing as on a Cessna 150; is that not correct? The numbers are long gone off of both sets of Clevelands so it is hard to look up the minimum thickness.

We think the EZ brakes have .163” for minimum rotor thickness. My old work Cozy discs read about .340”

Thanks in advance for any help.

Del Schier
Cozy IV N197DL
Cannon Creek Airpark 15FL


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Leaving OSH 2020 Behind..

Ryszard Zadow
 


Leaving OSH 2020 behind... | Posted by Ryszard Zadow, 3 min | At this moment last year I was standing on a Oshkosh Forum stage with a cast o

Leaving OSH 2020 Behind.. 

Leaving OSH 2020 behind...

Posted by Ryszard Zadow, 3 min

At this moment last year I was standing on a Oshkosh Forum stage with a cast of rock stars in the homebuilt airplane world. If you’ve not seen that video please do, its enlightening. (Click Here to see it! ) My hope was to be there again today, but as we all know, the world has changed. Who would’ve ever envisioned a year without Oshkosh? So much has been written about it that I won’t belabor the point and besides, my focus is the success of the Rutan Aircraft Flying Exper...

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Long EZ and Cozy plans brake question.

Del Schier
 

I have been helping a friend that purchased a nice EZ. I just flew it for him for the second time this morning.  I actually like flying it better than my Cozy except the cabin air vent is almost useless here in FL.

 

We are both wondering if the brakes are OK.  I took the Cleveland brakes off my Cozy and put Matco’s on but my old Cozy Clevelands have much thicker rotors; about twice as thick as his EZ.  I thought the original plans brakes for the Cozy were the same as an EZ and the same thing as on a Cessna 150; is that not correct?  The numbers are long gone off of both sets of Clevelands so it is hard to look up the minimum thickness.

 

We think the EZ brakes have .163” for minimum rotor thickness. My old work Cozy discs read about .340”

 

Thanks in advance for any help.

 

Del Schier

Cozy IV N197DL

Cannon Creek Airpark 15FL

 


Re: Best fire extinguisher supplier

Greg Norman
 

Hope I never need this.


On Fri, Jul 24, 2020, 11:18 AM Bob Holliston <bob.holliston@...> wrote:
The best solution to that problem I've ever heard of was Bill James' great idea. I don't remember all the details (of course) but it went something like this: Under the cowl he strung light cable with insulated wire wrapped around it in places where a fire was likely to develop. The cable is grounded. When the fire burns through the insulation it also becomes grounded and turns on a warning light on the panel. I guess that when this happens in flight you do a quick 180 to see if you're trailing smoke. If you are, you take the halon FE out of the bracket and plug it into vinyl tubing that goes from the cockpit to the engine compartment and pull the trigger. Maybe Bill will chime in on some details. 

On Thu, Jul 23, 2020 at 1:43 PM Greg Norman <gnorm76@...> wrote:
Thanks Izzy. My first start had a flooded induction - dripped out the naca scoop. Can see the danger. Glad you had a spotter.
Always worries me of a possible fire where you can't see it. Some auto sensor and extinguisher on the firewall is ideal for our type aircraft.


On Thu, Jul 23, 2020, 4:31 PM I. N. Briggs via groups.io <inbriggs=yahoo.com@groups.io> wrote:
i installed one of these into the headrest on a VariEze. 



One day, I had an induction fire from a over-primed start. someone nearby saw it. I pulled the extinguisher off while still seated and the witness took it and shot a couple triggers up the naca induction. Put the fire out instantly. If I hadn’t had that it could have been much worse. 

Only damage was a singed induction that needed some new glass. 

The Extinguisher still had the needle in the Green! So i just installed a new zip tie safety to hold the pin in and put it back on the plane. 

So the smaller one would likely have been sufficient. 

Highly recommended. There is a red one that’s a little leas swanky looking but does the same thing.

“Must have” for the aircraft MEL.

Izzy


On Jul 22, 2020, at 22:50, Greg Norman <gnorm76@...> wrote:




---------- Forwarded message ---------
From: Greg Norman <gnorm76@...>
Date: Wed, Jul 22, 2020, 10:45 PM
Subject: Best fire extinguisher supplier
To: Canard Aviators <canard-aviators@...>


Looking at the FAA requirements for fire extinguishers. In a nutshell the munimum for us is must be UL approved, Halon 1211, and minimum 2.5 lbs. Don't know why A.S. is selling one at 2.3 lbs then jumps to 4.9 lbs.
Anyway, anyone find a good resource for one before I call my DAR?

Greg Norman



--


Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

tfdarden
 

Michael, thats’s awesome, what a wonderful analysis of a different type of hybrid power!  Thanks for posting it. 

Thomas F Darden

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On Jul 25, 2020, at 10:18 PM, Michael Arndt <mike.arndt.ie@...> wrote:


With regards to grass strips I've had similar thoughts - how great would it be to base your plane closer to home?

What follows is the results of my discussions with Dr. John Loth of WVU, and some of my own thoughts on how to solve this problem.

I've been a big fan of Circulation Control (CC) for years because of its ability to take a clean, fast aircraft and land it slowly like a bush plane with balloon tires. Unfortunately when I started working this problem working this problem back in 2003 the only way to drive air over the wing was to tow the whole air frame through the air, or install a complicated/heavy system with an alternative power source to do the job for you. Dr. Loth used that approach for his Navy work in the 1970s, and he was kind enough to upload this old video of the results. Loth put a small jet engine in the back two seats of a four seater and used it to blow air through a retractable tube in the trailing edge of the wing, and it worked. His approach speeds got into the low 30s during testing without affecting the curse and top speeds of the aircraft.

Unfortunately my dream aircraft has always been a canard (as Rutan never published the plans for the Catbird - 5 seats,30 knots faster using the same engine), and the prospect of giving up half the seats was already unappealing even before you get to the issue of using CC on a canard.

But then lithium battery technology came along. And it got more widespread and cheaper. Lilium in the UK designed what is basically and electric Cozy that takes off and lands vertically by using CC propulsion on the flaps. Nasa began work on the X-57, a design that uses a tiny curse optimized wing with span wise propellers to handle takeoff and landings. All this got me thinking about whether this approach could be adapted to our aircraft, not for full electric flight, but for two minutes of run time at takeoff and landing...

The Cozy requires about 50 HP to maintain altitude and not sink, all other things being equal. That's about 38 K watts. If we use that as our target it would take twenty 2000 watt RC aircraft motors to produce enough thrust to hold altitude, but I'm thinking about STOL uses here. If you purchased 20 RC motors, each with a battery pack to drive them, they could be mounted in small two inch tubes on the leading edge of the wing and fitted with fold back RC glider propellers. Because the power packs are independent there is no need for thick heavy wiring, just a thin charging cable for in flight recharging and an on/off switch. 

It would be necessary to test it at a safe altitude first and to match the correct proportion of thrust to the canard to maintain its 'stall first' property, but fundamentally this is a much easier job than what Lilium or the X-57 are doing. Once operational, grass strips would suddenly be an option because takeoff speed with the system on would be under 30 mph. Having a two minute run time would allow plenty of safety factor, and allow use of small, light, off the shelf RC batteries. After all, most remote control aircraft run for a lot longer than two minutes.        

Sure it's wild, but for the first time lithium ion batteries have made it possible. : )



On Sat, Jul 25, 2020 at 5:19 PM Craig Westwood <craig.westwood@...> wrote:
There is only one grass strip I would consider, and that is Triple Tree Aerodrome in South Carolina (SC00).  It's 7000' x 400' and like a golf fairway.  That said, I know a Long-Ez (O-235) pilot that went over there and vowed never again as he thought he wasn't gonna get off the ground.  He did, and with plenty of room as beyond the hump in the runway there's another ~2000'.  A Cozy at higher weight and a forward CG is gonna need a lot of runway on grass.

Craig

On Sat, Jul 25, 2020 at 5:08 PM Bill Allen <billallensworld@...> wrote:
In ‘Yurp, where we have smaller and costlier everything, people are forced to use grass where there isn’t a blacktop airfield nearby courtesy WW2.
I don't know of anyone using grass with a Cozy Mk4, but I do know of one Cozy Classic which used to operate off grass, and the owner installed a larger nosewheel for this.
I have flown my LongEz off grass once, but it was a billiard smoooth grass runway.
 
Here’s a youtube video of Stefano Ferretti landing his VariEze on his Homebase grass runway in Italy.

Graham Singleton modified his LongEz to operate off grass by installing the nosegear 1” forward of plans location to encourage earlier rotation.

If you’re going to operate off grass, you have to know your own grass airfield intimately, and as others have said, watch out for rabbit holes, ruts, boggy patches etc. You have to have driven or walked it, talked to locals who know where the bumps are etc etc.

The other big disadvantage our aircraft have is the “pogo-stick” nose spring. That can get in phase with bumps and pitch you over. Stefano (in the above video) fitted a modified MTB damper to cope with this. I have made a few of my own versions and Ken McConnell (VariEze) has been testing it, and is very pleased with it. However, It only works with the manual retract mechanism.

So, grass might work if you set your aircraft up for it, if the grass was smooth, short, dry and well maintained (ie; like blacktop) but otherwise, keep to the black stuff.

Bill Allen

On Sat, 25 Jul 2020 at 22:09, Buly <bulent.enginegear@...> wrote:
As Vance said,
I did hear from the buyer, complaining that by the time he gets to take off line, the engine overheats. He wandered why? 🙄 I explained to him that taxiing at high power in the grass, with minimal forward motion, the engine has no way to shed the extra heat.
Than he asked how come the nose dives down too much on takeoff roll?
Again, the small nose wheel boggs down in the grass and  the thrust of the engine pushes the nose down I told him. Than he altered the NG strut.
I was very much against him flying from the grass strip, but the doctor was persistent. What do I know?


On Sat, Jul 25, 2020 at 11:16 AM vance atkinson <nostromo56@...> wrote:
About a year or so ago a doctor bought Bulent Aliev's very nice Cozy 4 that was based in Florida.  I ferried it to Houston TX for Buly and checked out the owner, who had no experience in EZ types but was very current in Cherokee he owned.

 He had a house on a grass field and wanted to base it there.  I checked him out on hard surfaces and told him about the perils of grass field Ops.  He went ahead anyway. 

Haven't heard how he fared but months later, did see a picture that Buly sent me of the plane sporting a brand new aluminum nose gear strut.  Looked like it was milled out of a solid billet and it looked really nice... and probably cost a small fortune.

You can reach Buly at  <bulent.enginegear@...> He may have more info relative to how the Doctors machine is doing.
Vance Atkinson








On 7/25/2020 10:13 AM, 'Phil Kriley' via COZY Builders Mailing List wrote:
I avoid grass even for taxiing if at all possible and would never consider landing/taking off from grass.  Beats the hell out of landing gear and wheel pants.  Damaged my wheel pants at OSH and at Rough River.

Phil Kriley

On Jul 25, 2020, at 8:44 AM, hnf.flyboy via COZY Builders Mailing List <cozy_builders@...> wrote:

I have 30 years of grass experience.  None of it in a canard.  I would love to use grass for my plane when finished.  I won't - unless I know it's a long and expertly maintained daily.  Armadillos leave terrible holes, can't imagine what happens to our nose gear when you hit one.  There are also moles which leave their mole hills as mountains if you don't see them in time.  I know of a grass strip at Leeward air ranch in Ocala,  It's the only one I'd use - but haven't seen it in years.  Used to have a few canards there.  

Everyone I talk to recommends against it, including Marc a couple weeks ago. 


-----Original Message-----
From: Steven Scott <chiefpilot.qp@...>
To: COZY Builders Mailing List <cozy_builders@...>
Sent: Fri, Jul 24, 2020 9:49 pm
Subject: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

I am looking to buy land at an Airpark in Florida. I need some first hand knowledge and experience of what I need from a grass runway. Length, condition etc.....

I am inspired by Del Shier who has shared his Airpark experience with me. His runway is paved. I need someone with grass experience.

Steven Scott
N541EX
San Diego but getting the hell outta California........

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Bulent Aliev
Enginegear
ph +1 954.557.1019
fax +1 386.957.4473
Bulent@...
www.enginegearonline.com

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Grass surfaces

Tony Rothwell
 

Gidday,

I have flown my Mk III from grass, gravel, concrete, bitumen and etc etc for over twenty years.
Grass is fine.
BUT not long wet grass, nor grass with hidden wombat holes or rabbit holes.
     (Here in Australia we did not have rabbits until Bill Allen's countrymen brought them in for food!!!    Sorry, how are you Bill?)
Soft sand is a no-no.
SHORT wet grass (morning dew) is OK but NOT anything your little tyres can sink into or get caught up in.
A hard surface with short grass and no holes is not a problem.
The outback is called that for a reason.  It has another name,  the GAFA - the Great Australian F All.
There are places where sealed runways are a luxury reserved pretty much for airline and such services that can pay for them.

Have a look at the wheel spats in the Old Station photo - those tyres are not in long grass or sinking into the surface.
Google Earth at 23 deg 49.45'S, 150 Deg 48.92'E and you can see the grass strip and grass taxiway; good spot for a fly-in even in a Cozy

Warrenvale is a cattle station with a gravel "all weather" strip.  You'll find it here:  https://www.stanbroke.com/the-stanbroke-story/
and on Google Earth at 18 Deg 25.116'S 140 Deg 47.289'E  (Look really close up!!)
It is gravel except after the monsoon when it gets a bit of grass - don't use it wet!!
Whilst on Google Earth have a look at some of the so called "airports" in the area and you will not see too many you would give that gradiose description to!
The Royal Flying Doctor service operates into many of these places with King-Airs and many are suitable for Cozy / Long Eze types IF you check the length and the surface first.

Summary:
Grass is fine - SHORT,  NOT LONG or SOAKING WET,  FIRM SURFACE below.

Gravel is usable but use the speedbrake on initial take off roll to keep stones out of the prop.





Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

Vance Atkinson
 

Thanks Don... every once and while I wonder what Peter is doing if he's still flying professionally.  
v

On 7/25/2020 12:31 PM, Don & Kristen Druckenbrodt wrote:

Vance,

Peter Magnuson is operating his Long EZ and recently completed Velocity project, acquired from Herb, from grass at Leeward Air Ranch.  It is nicely groomed and a mile long.  Under dry conditions I couldn’t see any problems.

 

Don

 

Sent from Mail for Windows 10

 

From: Vance Atkinson
Sent: Saturday, July 25, 2020 11:16 AM
To: cozy_builders@...; Bulent Aliev; Canard Aviators
Subject: Re: [c-a] COZY: Is anyone currently operating off a grass strip with a cozy MK IV

 

About a year or so ago a doctor bought Bulent Aliev's very nice Cozy 4 that was based in Florida.  I ferried it to Houston TX for Buly and checked out the owner, who had no experience in EZ types but was very current in Cherokee he owned.

 He had a house on a grass field and wanted to base it there.  I checked him out on hard surfaces and told him about the perils of grass field Ops.  He went ahead anyway. 

Haven't heard how he fared but months later, did see a picture that Buly sent me of the plane sporting a brand new aluminum nose gear strut.  Looked like it was milled out of a solid billet and it looked really nice... and probably cost a small fortune.

You can reach Buly at  <bulent.enginegear@...> He may have more info relative to how the Doctors machine is doing.
Vance Atkinson







On 7/25/2020 10:13 AM, 'Phil Kriley' via COZY Builders Mailing List wrote:

I avoid grass even for taxiing if at all possible and would never consider landing/taking off from grass.  Beats the hell out of landing gear and wheel pants.  Damaged my wheel pants at OSH and at Rough River.

 

Phil Kriley


On Jul 25, 2020, at 8:44 AM, hnf.flyboy via COZY Builders Mailing List <cozy_builders@...> wrote:

I have 30 years of grass experience.  None of it in a canard.  I would love to use grass for my plane when finished.  I won't - unless I know it's a long and expertly maintained daily.  Armadillos leave terrible holes, can't imagine what happens to our nose gear when you hit one.  There are also moles which leave their mole hills as mountains if you don't see them in time.  I know of a grass strip at Leeward air ranch in Ocala,  It's the only one I'd use - but haven't seen it in years.  Used to have a few canards there.  

 

Everyone I talk to recommends against it, including Marc a couple weeks ago. 

-----Original Message-----
From: Steven Scott <chiefpilot.qp@...>
To: COZY Builders Mailing List <cozy_builders@...>
Sent: Fri, Jul 24, 2020 9:49 pm
Subject: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

I am looking to buy land at an Airpark in Florida. I need some first hand knowledge and experience of what I need from a grass runway. Length, condition etc.....

 

I am inspired by Del Shier who has shared his Airpark experience with me. His runway is paved. I need someone with grass experience.

 

Steven Scott

N541EX

San Diego but getting the hell outta California........

 

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Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

Don & Kristen Druckenbrodt
 

Vance,

Peter Magnuson is operating his Long EZ and recently completed Velocity project, acquired from Herb, from grass at Leeward Air Ranch.  It is nicely groomed and a mile long.  Under dry conditions I couldn’t see any problems.

 

Don

 

Sent from Mail for Windows 10

 

From: Vance Atkinson
Sent: Saturday, July 25, 2020 11:16 AM
To: cozy_builders@...; Bulent Aliev; Canard Aviators
Subject: Re: [c-a] COZY: Is anyone currently operating off a grass strip with a cozy MK IV

 

About a year or so ago a doctor bought Bulent Aliev's very nice Cozy 4 that was based in Florida.  I ferried it to Houston TX for Buly and checked out the owner, who had no experience in EZ types but was very current in Cherokee he owned.

 He had a house on a grass field and wanted to base it there.  I checked him out on hard surfaces and told him about the perils of grass field Ops.  He went ahead anyway. 

Haven't heard how he fared but months later, did see a picture that Buly sent me of the plane sporting a brand new aluminum nose gear strut.  Looked like it was milled out of a solid billet and it looked really nice... and probably cost a small fortune.

You can reach Buly at  <bulent.enginegear@...> He may have more info relative to how the Doctors machine is doing.
Vance Atkinson







On 7/25/2020 10:13 AM, 'Phil Kriley' via COZY Builders Mailing List wrote:

I avoid grass even for taxiing if at all possible and would never consider landing/taking off from grass.  Beats the hell out of landing gear and wheel pants.  Damaged my wheel pants at OSH and at Rough River.

 

Phil Kriley


On Jul 25, 2020, at 8:44 AM, hnf.flyboy via COZY Builders Mailing List <cozy_builders@...> wrote:

I have 30 years of grass experience.  None of it in a canard.  I would love to use grass for my plane when finished.  I won't - unless I know it's a long and expertly maintained daily.  Armadillos leave terrible holes, can't imagine what happens to our nose gear when you hit one.  There are also moles which leave their mole hills as mountains if you don't see them in time.  I know of a grass strip at Leeward air ranch in Ocala,  It's the only one I'd use - but haven't seen it in years.  Used to have a few canards there.  

 

Everyone I talk to recommends against it, including Marc a couple weeks ago. 

-----Original Message-----
From: Steven Scott <chiefpilot.qp@...>
To: COZY Builders Mailing List <cozy_builders@...>
Sent: Fri, Jul 24, 2020 9:49 pm
Subject: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

I am looking to buy land at an Airpark in Florida. I need some first hand knowledge and experience of what I need from a grass runway. Length, condition etc.....

 

I am inspired by Del Shier who has shared his Airpark experience with me. His runway is paved. I need someone with grass experience.

 

Steven Scott

N541EX

San Diego but getting the hell outta California........

 

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Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

David A Froble
 

On 7/25/2020 4:08 PM, Bulent Aliev wrote:
As Vance said,
I did hear from the buyer, complaining that by the time he gets to take
off line, the engine overheats. He wandered why? 🙄 I explained to him
that taxiing at high power in the grass, with minimal forward motion,
the engine has no way to shed the extra heat.
Than he asked how come the nose dives down too much on takeoff roll?
Again, the small nose wheel boggs down in the grass and the thrust of
the engine pushes the nose down I told him. Than he altered the NG strut.
I was very much against him flying from the grass strip, but the doctor
was persistent. What do I know?
Some people know what they want to know, don't bother them with facts.

He bought it.

He'll beat it up.

And then he'll badmouth canards.

--
David Froble Tel: 724-529-0450
Dave Froble Enterprises, Inc. E-Mail: davef@...
DFE Ultralights, Inc.
170 Grimplin Road
Vanderbilt, PA 15486


Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

Craig Westwood
 

There is only one grass strip I would consider, and that is Triple Tree Aerodrome in South Carolina (SC00).  It's 7000' x 400' and like a golf fairway.  That said, I know a Long-Ez (O-235) pilot that went over there and vowed never again as he thought he wasn't gonna get off the ground.  He did, and with plenty of room as beyond the hump in the runway there's another ~2000'.  A Cozy at higher weight and a forward CG is gonna need a lot of runway on grass.

Craig


On Sat, Jul 25, 2020 at 5:08 PM Bill Allen <billallensworld@...> wrote:
In ‘Yurp, where we have smaller and costlier everything, people are forced to use grass where there isn’t a blacktop airfield nearby courtesy WW2.
I don't know of anyone using grass with a Cozy Mk4, but I do know of one Cozy Classic which used to operate off grass, and the owner installed a larger nosewheel for this.
I have flown my LongEz off grass once, but it was a billiard smoooth grass runway.
 
Here’s a youtube video of Stefano Ferretti landing his VariEze on his Homebase grass runway in Italy.

Graham Singleton modified his LongEz to operate off grass by installing the nosegear 1” forward of plans location to encourage earlier rotation.

If you’re going to operate off grass, you have to know your own grass airfield intimately, and as others have said, watch out for rabbit holes, ruts, boggy patches etc. You have to have driven or walked it, talked to locals who know where the bumps are etc etc.

The other big disadvantage our aircraft have is the “pogo-stick” nose spring. That can get in phase with bumps and pitch you over. Stefano (in the above video) fitted a modified MTB damper to cope with this. I have made a few of my own versions and Ken McConnell (VariEze) has been testing it, and is very pleased with it. However, It only works with the manual retract mechanism.

So, grass might work if you set your aircraft up for it, if the grass was smooth, short, dry and well maintained (ie; like blacktop) but otherwise, keep to the black stuff.

Bill Allen

On Sat, 25 Jul 2020 at 22:09, Buly <bulent.enginegear@...> wrote:
As Vance said,
I did hear from the buyer, complaining that by the time he gets to take off line, the engine overheats. He wandered why? 🙄 I explained to him that taxiing at high power in the grass, with minimal forward motion, the engine has no way to shed the extra heat.
Than he asked how come the nose dives down too much on takeoff roll?
Again, the small nose wheel boggs down in the grass and  the thrust of the engine pushes the nose down I told him. Than he altered the NG strut.
I was very much against him flying from the grass strip, but the doctor was persistent. What do I know?


On Sat, Jul 25, 2020 at 11:16 AM vance atkinson <nostromo56@...> wrote:
About a year or so ago a doctor bought Bulent Aliev's very nice Cozy 4 that was based in Florida.  I ferried it to Houston TX for Buly and checked out the owner, who had no experience in EZ types but was very current in Cherokee he owned.

 He had a house on a grass field and wanted to base it there.  I checked him out on hard surfaces and told him about the perils of grass field Ops.  He went ahead anyway. 

Haven't heard how he fared but months later, did see a picture that Buly sent me of the plane sporting a brand new aluminum nose gear strut.  Looked like it was milled out of a solid billet and it looked really nice... and probably cost a small fortune.

You can reach Buly at  <bulent.enginegear@...> He may have more info relative to how the Doctors machine is doing.
Vance Atkinson








On 7/25/2020 10:13 AM, 'Phil Kriley' via COZY Builders Mailing List wrote:
I avoid grass even for taxiing if at all possible and would never consider landing/taking off from grass.  Beats the hell out of landing gear and wheel pants.  Damaged my wheel pants at OSH and at Rough River.

Phil Kriley

On Jul 25, 2020, at 8:44 AM, hnf.flyboy via COZY Builders Mailing List <cozy_builders@...> wrote:

I have 30 years of grass experience.  None of it in a canard.  I would love to use grass for my plane when finished.  I won't - unless I know it's a long and expertly maintained daily.  Armadillos leave terrible holes, can't imagine what happens to our nose gear when you hit one.  There are also moles which leave their mole hills as mountains if you don't see them in time.  I know of a grass strip at Leeward air ranch in Ocala,  It's the only one I'd use - but haven't seen it in years.  Used to have a few canards there.  

Everyone I talk to recommends against it, including Marc a couple weeks ago. 


-----Original Message-----
From: Steven Scott <chiefpilot.qp@...>
To: COZY Builders Mailing List <cozy_builders@...>
Sent: Fri, Jul 24, 2020 9:49 pm
Subject: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

I am looking to buy land at an Airpark in Florida. I need some first hand knowledge and experience of what I need from a grass runway. Length, condition etc.....

I am inspired by Del Shier who has shared his Airpark experience with me. His runway is paved. I need someone with grass experience.

Steven Scott
N541EX
San Diego but getting the hell outta California........

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Bulent Aliev
Enginegear
ph +1 954.557.1019
fax +1 386.957.4473
Bulent@...
www.enginegearonline.com

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Re: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

Bill Allen
 

In ‘Yurp, where we have smaller and costlier everything, people are forced to use grass where there isn’t a blacktop airfield nearby courtesy WW2.
I don't know of anyone using grass with a Cozy Mk4, but I do know of one Cozy Classic which used to operate off grass, and the owner installed a larger nosewheel for this.
I have flown my LongEz off grass once, but it was a billiard smoooth grass runway.
 
Here’s a youtube video of Stefano Ferretti landing his VariEze on his Homebase grass runway in Italy.

Graham Singleton modified his LongEz to operate off grass by installing the nosegear 1” forward of plans location to encourage earlier rotation.

If you’re going to operate off grass, you have to know your own grass airfield intimately, and as others have said, watch out for rabbit holes, ruts, boggy patches etc. You have to have driven or walked it, talked to locals who know where the bumps are etc etc.

The other big disadvantage our aircraft have is the “pogo-stick” nose spring. That can get in phase with bumps and pitch you over. Stefano (in the above video) fitted a modified MTB damper to cope with this. I have made a few of my own versions and Ken McConnell (VariEze) has been testing it, and is very pleased with it. However, It only works with the manual retract mechanism.

So, grass might work if you set your aircraft up for it, if the grass was smooth, short, dry and well maintained (ie; like blacktop) but otherwise, keep to the black stuff.

Bill Allen

On Sat, 25 Jul 2020 at 22:09, Buly <bulent.enginegear@...> wrote:
As Vance said,
I did hear from the buyer, complaining that by the time he gets to take off line, the engine overheats. He wandered why? 🙄 I explained to him that taxiing at high power in the grass, with minimal forward motion, the engine has no way to shed the extra heat.
Than he asked how come the nose dives down too much on takeoff roll?
Again, the small nose wheel boggs down in the grass and  the thrust of the engine pushes the nose down I told him. Than he altered the NG strut.
I was very much against him flying from the grass strip, but the doctor was persistent. What do I know?


On Sat, Jul 25, 2020 at 11:16 AM vance atkinson <nostromo56@...> wrote:
About a year or so ago a doctor bought Bulent Aliev's very nice Cozy 4 that was based in Florida.  I ferried it to Houston TX for Buly and checked out the owner, who had no experience in EZ types but was very current in Cherokee he owned.

 He had a house on a grass field and wanted to base it there.  I checked him out on hard surfaces and told him about the perils of grass field Ops.  He went ahead anyway. 

Haven't heard how he fared but months later, did see a picture that Buly sent me of the plane sporting a brand new aluminum nose gear strut.  Looked like it was milled out of a solid billet and it looked really nice... and probably cost a small fortune.

You can reach Buly at  <bulent.enginegear@...> He may have more info relative to how the Doctors machine is doing.
Vance Atkinson








On 7/25/2020 10:13 AM, 'Phil Kriley' via COZY Builders Mailing List wrote:
I avoid grass even for taxiing if at all possible and would never consider landing/taking off from grass.  Beats the hell out of landing gear and wheel pants.  Damaged my wheel pants at OSH and at Rough River.

Phil Kriley

On Jul 25, 2020, at 8:44 AM, hnf.flyboy via COZY Builders Mailing List <cozy_builders@...> wrote:

I have 30 years of grass experience.  None of it in a canard.  I would love to use grass for my plane when finished.  I won't - unless I know it's a long and expertly maintained daily.  Armadillos leave terrible holes, can't imagine what happens to our nose gear when you hit one.  There are also moles which leave their mole hills as mountains if you don't see them in time.  I know of a grass strip at Leeward air ranch in Ocala,  It's the only one I'd use - but haven't seen it in years.  Used to have a few canards there.  

Everyone I talk to recommends against it, including Marc a couple weeks ago. 


-----Original Message-----
From: Steven Scott <chiefpilot.qp@...>
To: COZY Builders Mailing List <cozy_builders@...>
Sent: Fri, Jul 24, 2020 9:49 pm
Subject: COZY: Is anyone currently operating off a grass strip with a cozy MK IV

I am looking to buy land at an Airpark in Florida. I need some first hand knowledge and experience of what I need from a grass runway. Length, condition etc.....

I am inspired by Del Shier who has shared his Airpark experience with me. His runway is paved. I need someone with grass experience.

Steven Scott
N541EX
San Diego but getting the hell outta California........

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--
Bulent Aliev
Enginegear
ph +1 954.557.1019
fax +1 386.957.4473
Bulent@...
www.enginegearonline.com

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