Long-Ez Speed Brake spring tension

Filipe Rosa
 

Hello,
Does anyone have an idea of the tension in each spring of the speed brake? I was measuring the tension on the speed brake itself as per the plans, speed brake open and was getting around 30lb of force and was pulling the springs in order to get the 40lbs. The springs were around 4" from the attaching point when one just broke. Does this happen to someone?

Thanks,
Filipe

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