1/16" is a teensy bit on the wide side, but I wouldn't get my shorts in a knot over it. I recall Vans calls for less than that (.032 maybe?) but a) many builders have a hard time getting less than 1/16'', and b) the tighter that gap the more the canopy frame skin wants to catch on the fwd fuse skin when it opens. I'd try to get the gap between .032 and .063. Mine's about .040 and I'm happy with it. Wouldn't change it if I could.
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Terry Ruprecht
RV-9A Tip-up; IO-320 D2A
S. James cowl/plenum
(Dues paid thru Nov '18)
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