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Old 01-01-2019, 06:55 PM
Jvon811's Avatar
Jvon811 Jvon811 is offline
Join Date: Mar 2014
Location: Fenton, MI
Posts: 52
Default Missing piece? F-466 Trailing Edge Fillet???

A friend of mine recently purchased an RV-4 and after getting it home and further inspection, we've discovered his airplane is missing a part that mine has... It's the fillet between the fuse/cockpit area and the tailcone of the airplane.

I went back, looked at my set of plans and sure enough, there it is, F-466. My question is, how many (if any) RV's are flying around out there without this? Is is structural or purely a cosmetic/aerodynamic piece? My RV-4 does have this F-466 piece and it seems to have 15+ rivets holding it on making me wonder if it's structural. If nothing else, it gives my friend and I a reason to bend some sheet metal and learn some building techniques.

RV-4 N249P O-320, Warnke Prop, GRT Sport EX

Last edited by Jvon811 : 01-01-2019 at 08:34 PM.
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Old 01-02-2019, 06:00 AM
fixnflyguy fixnflyguy is offline
Join Date: Jan 2006
Location: Winston-Salem, N.C.
Posts: 951
Default Just a fairing

It is simply a transition fairing with no structural value that blends the "square" fuselage to the radius of the belly skins . You could make and install one using solid or blind rivets. If I recall, its only .020" or .025" aluminum , but gives a nice clean look and better aerodynamics.
Bill E.
8A7 / Advance NC
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