Why Castle Nut on Vert Stab & Rear Spar attach?
Why are Castle nuts used on Vert Stab and rear wing spar attach points?
I am following the plans but trying to understand why a standard Nylon lock nut is not used? Is there some type movement between these mating parts?
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Steve
RV10 - Flying (Jan 2020)
RV8 - Built 2006- Flown 800 hours Sold 2021 
RV4 Kit Purchased 2021 
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