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Old 06-13-2019, 05:26 PM
bobnoffs bobnoffs is offline
Join Date: Jul 2012
Location: n. wi
Posts: 651
Default lp4-4 rv 12 longeron

hi all,
why are the last 7 aft rivets into the skin and longeron lp4-4 yet the rivet immediately forward of these 7 rivets has thicker material to go thru?
Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
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Old 06-13-2019, 07:45 PM
Vakashi Vakashi is offline
Join Date: Feb 2018
Location: Auckland, New Zealand
Posts: 13

I agree that it looked very odd to me so I checked the grip length of the 3 vs 4. It was very marginal, probably because I prepainted the inside of the fuselage skins before assembly, which added a bit of extra thickness. Anyway, for peace of mind I went with LP4-4 all the way to the canopy deck for the triangular shaped baggage area turtle deck skins. Note that this is what I did and must not be taken as advice on what you should do.
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