Date   

Re: Flush door handles

Mike Tooze
 

'Canopy release from outside.'
By all means you could add that to your Requirements list.

At the time I did consider adding it.
With my arrangement it just means running a second cable in parallel with the GIB release cable outside with a pull ring and annotation (including indication how to release the safety catch.).
But I decided not to bother with that.

I just have the standard canopy hinge-pin pull loops on the basis that if things got that bad wrecking the canopy would be no big deal.

Mike T.


On Thursday, 23 January 2020, 16:06:26 GMT, aviationeyes <skyeyecorp@...> wrote:


Good set of design specs. I would add one more...To be easily understood by an un-initiated observer from the outside needing to open your canopy in an emergency. To me, that was the initial promise of the Hendricks lock.
--Jose


On Thu, Jan 23, 2020, at 9:27 AM, Mike Tooze via Groups.Io wrote:
Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB
...


Re: Flush door handles

Mike Tooze
 

With my arrangement the cam shape on the latch requires more energy, a hard push on the handle, to release the latch (which additionally had to be pulled back to release.).
The cam (and spring) tends to hold the latch 'home' and further towards the micro switch. i.e. further to the locked state. But in practice the micro switch is only made when the latch is fully home against the spigot of the handle.
When closing my canopy I don't rely on the spring. I operate the handle (left hand) and snug up the latch with my right thumb.
When locked it would require a mechanical failure or the laws of quantum mechanics invoked to release the canopy without pilot involvement.;^)

Mike T

On Friday, 24 January 2020, 02:20:27 GMT, Dale Martin <niceez@...> wrote:


>>>Latch to include a micro switch for the Eze warning system<<<

One thing I change on most aircraft with the complaint that the warning horn is intermittent.

The plans system attaches the micro-switch to the handle such that I have witnessed to LEZ pilots start the take-off roll and abort because the canopy started lifting up.
It was due to the latch being secured but the latch was not engaged.  What the pilot needs to know is if that the canopy handle pawl has fully engage the canopy pins (screws) and is fully down when the canopy handle is locked in the latch.  And if so THEN and ONLY THEN, should the micro-switch indicate the canopy is SAFE.

On clients aircraft we install The Shark Tooth Latching part only to the stock canopy handle and mount the micro-switch under the longeron and use a proximity pin that is forced downward by the canopy.  The canopy can only close this tight when the handle and pawls are engaged.  


Yes, we have pictures for those interested.


Dale
For Contact info - See Website
http://www.long-ez.com
=====================>


On Thu, Jan 23, 2020 at 6:27 AM Mike Tooze via Groups.Io <miketooze=btinternet.com@groups.io> wrote:




Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?

Attachments:


Re: Flush door handles

Dale Martin
 

>>> Latch to include a micro switch for the Eze warning system<<<

One thing I change on most aircraft with the complaint that the warning horn is intermittent.

The plans system attaches the micro-switch to the handle such that I have witnessed to LEZ pilots start the take-off roll and abort because the canopy started lifting up.
It was due to the latch being secured but the latch was not engaged.  What the pilot needs to know is if that the canopy handle pawl has fully engage the canopy pins (screws) and is fully down when the canopy handle is locked in the latch.  And if so THEN and ONLY THEN, should the micro-switch indicate the canopy is SAFE.

On clients aircraft we install The Shark Tooth Latching part only to the stock canopy handle and mount the micro-switch under the longeron and use a proximity pin that is forced downward by the canopy.  The canopy can only close this tight when the handle and pawls are engaged.  


Yes, we have pictures for those interested.


Dale
For Contact info - See Website
http://www.long-ez.com
=====================>


On Thu, Jan 23, 2020 at 6:27 AM Mike Tooze via Groups.Io <miketooze=btinternet.com@groups.io> wrote:




Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?

Attachments:


Re: FEATHERLITE

Dale Martin
 

It is just Aero Composites now.

Greg is a good guy!


Dale
For Contact info - See Website
http://www.long-ez.com
=====================>


On Thu, Jan 23, 2020 at 8:10 AM Roch LaRocca <rocbar@...> wrote:
Is Featherlite still in business.  If so, could I get the contact info.
Thanks,
Rock L.


Re: (Canard Zone) Flush door handles

Don B
 

I don’t lock mine.  I don’t want someone to break the Canopy to steal my radio!


On Jan 23, 2020, at 1:17 PM, Keith Spreuer <kspreuer@...> wrote:


Oh I see. So do you have anyway to lock it from the outside? I don't on mine either but perhaps that would be nice.

Keith

On Thu, Jan 23, 2020 at 12:15 PM Bill James <bill@...> wrote:
Arms the ejection seat. 

Actually Previouslyused to activate the canopy micro switch. 


On Jan 23, 2020, at 11:53 AM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


I was referring to the rod further up. Looks to be about an inch from the pivot. It has a slight bend and goes thru the IP. Isn't that an exterior lock?

Keith

On Thu, Jan 23, 2020 at 8:35 AM Bill James <bill@...> wrote:
Keith, the wire ends are simply bent 90 degrees. The strength and tension of the wire, 3/16 stainless welding rod, has held it in place 23 yrs. i May have put some flox in the holes. It is a little busy fwd of the panel with the micro switch right there. The welding shop only sold the rods by the pound so he just gave me one rod. Another strong type wire or rod would work. The simple solid mechanism has worked well.As you know the exterior canopy lock doesn’t have to be located right there using that catch. :)
Bill


On Jan 22, 2020, at 4:29 PM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


Re: (Canard Zone) Flush door handles

Keith Spreuer
 

Oh I see. So do you have anyway to lock it from the outside? I don't on mine either but perhaps that would be nice.

Keith

On Thu, Jan 23, 2020 at 12:15 PM Bill James <bill@...> wrote:
Arms the ejection seat. 

Actually Previouslyused to activate the canopy micro switch. 


On Jan 23, 2020, at 11:53 AM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


I was referring to the rod further up. Looks to be about an inch from the pivot. It has a slight bend and goes thru the IP. Isn't that an exterior lock?

Keith

On Thu, Jan 23, 2020 at 8:35 AM Bill James <bill@...> wrote:
Keith, the wire ends are simply bent 90 degrees. The strength and tension of the wire, 3/16 stainless welding rod, has held it in place 23 yrs. i May have put some flox in the holes. It is a little busy fwd of the panel with the micro switch right there. The welding shop only sold the rods by the pound so he just gave me one rod. Another strong type wire or rod would work. The simple solid mechanism has worked well.As you know the exterior canopy lock doesn’t have to be located right there using that catch. :)
Bill


On Jan 22, 2020, at 4:29 PM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


Re: (Canard Zone) Flush door handles

Bill James
 

Arms the ejection seat. 

Actually Previouslyused to activate the canopy micro switch. 


On Jan 23, 2020, at 11:53 AM, Keith Spreuer via Groups.Io <kspreuer@...> wrote:


I was referring to the rod further up. Looks to be about an inch from the pivot. It has a slight bend and goes thru the IP. Isn't that an exterior lock?

Keith

On Thu, Jan 23, 2020 at 8:35 AM Bill James <bill@...> wrote:
Keith, the wire ends are simply bent 90 degrees. The strength and tension of the wire, 3/16 stainless welding rod, has held it in place 23 yrs. i May have put some flox in the holes. It is a little busy fwd of the panel with the micro switch right there. The welding shop only sold the rods by the pound so he just gave me one rod. Another strong type wire or rod would work. The simple solid mechanism has worked well.As you know the exterior canopy lock doesn’t have to be located right there using that catch. :)
Bill


On Jan 22, 2020, at 4:29 PM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


Re: FEATHERLITE

David Thoresen
 

This is what I got! 


Gregory Andronaco

Featherlite/Aerocomposites

KUKI

1327 South State St

Ukiah, CA  95482

707.462.2939

featherlite@...


Here is the link: http://combustech.com/Products/Lycoming%20Pistons.html for engine repair Long ez


David P. Thoresen



On Jan 23, 2020, at 17:10, Roch LaRocca <rocbar@...> wrote:


Is Featherlite still in business.  If so, could I get the contact info.
Thanks,
Rock L.


Re: (Canard Zone) Flush door handles

Keith Spreuer
 

I was referring to the rod further up. Looks to be about an inch from the pivot. It has a slight bend and goes thru the IP. Isn't that an exterior lock?

Keith

On Thu, Jan 23, 2020 at 8:35 AM Bill James <bill@...> wrote:
Keith, the wire ends are simply bent 90 degrees. The strength and tension of the wire, 3/16 stainless welding rod, has held it in place 23 yrs. i May have put some flox in the holes. It is a little busy fwd of the panel with the micro switch right there. The welding shop only sold the rods by the pound so he just gave me one rod. Another strong type wire or rod would work. The simple solid mechanism has worked well.As you know the exterior canopy lock doesn’t have to be located right there using that catch. :)
Bill


On Jan 22, 2020, at 4:29 PM, Keith Spreuer via Groups.Io <kspreuer=gmail.com@groups.io> wrote:


Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


Re: (Canard Zone) Flush door handles

Bill James
 

Keith, the wire ends are simply bent 90 degrees. The strength and tension of the wire, 3/16 stainless welding rod, has held it in place 23 yrs. i May have put some flox in the holes. It is a little busy fwd of the panel with the micro switch right there. The welding shop only sold the rods by the pound so he just gave me one rod. Another strong type wire or rod would work. The simple solid mechanism has worked well.As you know the exterior canopy lock doesn’t have to be located right there using that catch. :)
Bill


On Jan 22, 2020, at 4:29 PM, Keith Spreuer via Groups.Io <kspreuer@...> wrote:


Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


FEATHERLITE

Roch LaRocca
 

Is Featherlite still in business.  If so, could I get the contact info.
Thanks,
Rock L.


Re: Flush door handles

aviationeyes
 

I have observed that to be true with one of my bolts. Even loose, however, security is still effective. If it gets much worse, I may try out the Pc7.
--Jose


On Thu, Jan 23, 2020, at 9:51 AM, skorija via Groups.Io wrote:
Over time the bolts through the longeron become loose. I reinforced mine with pc7 on outside and pc7 and aluminum plates on inside. 

Pc7 is a very tough epoxy. I’ve seen it last 45 years outside. 

Mike aka dust




Re: Flush door handles

aviationeyes
 

Good set of design specs. I would add one more...To be easily understood by an un-initiated observer from the outside needing to open your canopy in an emergency. To me, that was the initial promise of the Hendricks lock.
--Jose


On Thu, Jan 23, 2020, at 9:27 AM, Mike Tooze via Groups.Io wrote:
Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB
...


PS Re: [Canard Zone] Flush door handles

Mike Tooze
 



PS,
While on the subject of canopy latches etc.

While there have been no failures of Burt's (VE) canopy latch spigots, I did not like to have screws in bending mode at the base of their threads.

My spigots are all formed as spacers keeping the associated screws in tension.
See even worse, blown-up photo!

Not saying anything wrong with the original.
Just me, I love spacers... OMV

Mike T

On Thursday, 23 January 2020, 14:51:17 GMT, skorija via Groups.Io <skorija@...> wrote:


Over time the bolts through the longeron become loose. I reinforced mine with pc7 on outside and pc7 and aluminum plates on inside. 

Pc7 is a very tough epoxy. I’ve seen it last 45 years outside. 

Mike aka dust


On Jan 23, 2020, at 9:27 AM, Mike Tooze via Groups.Io <miketooze@...> wrote:






Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?

Attachments:


Re: Flush door handles

Mike Tooze
 

Hi Mike,

My handle pivot runs in a plain bearing floxed into the longeron. See first photo.
It is (unnecessarily) accessed via the hole just visible top left in the, last, outside fuselage shot.

The latch is pivoted on a spacer which is bearing/locked onto a washer so that its bolt is both floxed and hard bolted into the longeron.

No slack bolts/pivots.
No problems in our thirty eight year ;^)

Mike T

On Thursday, 23 January 2020, 14:51:17 GMT, skorija via Groups.Io <skorija@...> wrote:


Over time the bolts through the longeron become loose. I reinforced mine with pc7 on outside and pc7 and aluminum plates on inside. 

Pc7 is a very tough epoxy. I’ve seen it last 45 years outside. 

Mike aka dust


On Jan 23, 2020, at 9:27 AM, Mike Tooze via Groups.Io <miketooze@...> wrote:






Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?

Attachments:


Re: Flush door handles

skorija
 

Over time the bolts through the longeron become loose. I reinforced mine with pc7 on outside and pc7 and aluminum plates on inside. 

Pc7 is a very tough epoxy. I’ve seen it last 45 years outside. 

Mike aka dust


On Jan 23, 2020, at 9:27 AM, Mike Tooze via Groups.Io <miketooze@...> wrote:






Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?

Attachments:


Re: Flush door handles

Mike Tooze
 





Ron makes some good points.

A Requirement is needed before designing anything.
For the Vari Eze /Long Eze canopy latch/lock system.
An example that is probably incomplete/can be improved:-

Latch
Secure canopy for flight - unaffected by in-flight vibration.
Operable with arm/hand strength of a teenage girl.
To be 'security locked' from outside without use of a 'door'.
Security lock will not 'over centre' the latch mechanism.
Security key lock to be flush with outside fuselage.
Latch to include a micro switch for the Eze warning system
Must be able to be opened by GIB.
Independent of safety catch.

Safety Catch
Independent from Latch.
Automatically engages when canopy is closed.
Can be reached/released by pilot and GIB

Attached photos of my solution sorry about their poor quality. I was leaning over for outside and hence all a bit shaky.
Note the photos were taken with the canopy open so actual latching is not shown - but works fine.

Mike Tooze O-235 VE G-EMMY

On Tuesday, 21 January 2020, 17:48:01 GMT, Ron Springer <ron228rj@...> wrote:


I have the rotary latch and I both like it and hate it. On my first flight with it, it slowly walked itself open during climbout and tried to kill me. Luckily the safety catch did its job. On the ground, I can sit in the plane with it latched and push up as hard as I want and the canopy won't budge. But, in an environment with vibration and buffeting, it can rotate itself open.

It depends on being over center and/or friction to stop it from rotating open. I don't think you should depend on a canopy being held closed by those things. I discovered that I am not the only one that has experienced this problem. It needs to have a real locking mechanism. I modified mine so it can't happen again.


Ron

On Tue, Jan 21, 2020 at 12:11 PM Nick U <unick3@...> wrote:
I found the rotary latch from www.eznoselift.com to be an easy install and works great.  I was able to close off the door, and now only have a small hole in the side of the plane for the key.  It works with the existing LGEZ hardware too.


---------------------------------------------------------------------------------
Nick Ugolini, www.nickugolini.com  
Charleston, SC 

LongEZ N29TM (for sale)
Cozy 4, N826ER











On Jan 19, 2020, at 1:56 PM, Doug Kan <doug@...> wrote:

Anybody know of a good and hopefully inexpensive flush door handle for a LongEz. Maybe something like the Tesla door handle?


Re: (Canard Zone) Flush door handles

Keith Spreuer
 

Bill,
Got a photo of the locking part of the unit forward of the instrument panel?

Keith

On Wed, Jan 22, 2020 at 2:08 PM Bill James <bill@...> wrote:

Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


Re: (Canard Zone) Flush door handles

Greg Gullikson
 

Hello, please advise on where to find a set of Bob Bittner’s shark latch plans. 

Thanks,
Greg Gullikson 


On Jan 22, 2020, at 2:08 PM, Bill James <bill@...> wrote:



Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 
<IMG_1744.jpeg>
<IMG_1745.jpeg>
<IMG_1748.jpeg>





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip


(Canard Zone) Flush door handles

Bill James
 


Simple Canopy Latch 
The lever latches into the lower catch, locking the canopy.

Key elements:
The head of the lower “handle” bolt catches into the center of the lower wire element.

The original lever was moved forward. A new catch was installed to replace the lever and catch the fwd canopy catch. An extension connects them. The lever latches into the lower element but does not catch the canopy, so it does not need the top hook any more.

The lower wire catch element is 3/16 stainless welding rod. No sharp edges :)  The smaller center loop simply goes through the panel and is bent and held on the forward side. The outer loop was swaged on, expecting to be needed to aid hooking the lever bolt head. However, once the three canopy latches are in place, the latching movement is simply to push the “handle” forward a little and move the lever left, to hook the head into the center wire element. 
The thin black oval on the inside of the center loop is the extended arm from the micro switch for the canopy/gear/throttle relay.
BillJames


 





On Jan 21, 2020, at 4:07 PM, Curtis Martin via Groups.Io <rebflyer@...> wrote:

Going with the kiss method,  
Picture the standard canopy latching system front    ….snip

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