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Old 02-04-2021, 07:05 AM
Larry DeCamp's Avatar
Larry DeCamp Larry DeCamp is offline
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 1,051
Default Easy curvature match

I just cut the door out of the cowl with Dremel diamond wheel. The curf is so thin it leaves small gap than can be optimized to your preference with micro. As dan suggests, stiffeners may be required on the back side.
Larry DeCamp
RV-3B flying w/7:1 0320 / carb / Pmags / Catto 3b / digital steam
RV-4 fastback w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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Old 02-04-2021, 09:37 AM
fixnflyguy fixnflyguy is offline
Join Date: Jan 2006
Location: Winston-Salem, N.C.
Posts: 1,329
Default Similar to Dans

Mine is similar to Dans, but made from .063" aluminum. Singe pushbutton Hartwell latch I liberated from some big jet left overs. No great pictures on this shot its unlatched. Painted the mechanism red so it stands out if open, which I do on purpose after hangaring to remind me I haven't checked oil before flight.
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Bill E.
8A7 / Advance NC
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Old 02-04-2021, 09:48 AM
Bill Boyd's Avatar
Bill Boyd Bill Boyd is offline
Join Date: Sep 2006
Location: Landing field "12VA"
Posts: 1,612

I ga-ron-tee if you use piano hinge as a latch you will have zero bulging at any corner of your oil door.

One of my lasting regrets with how I did the 6A oil door 25-odd years ago was those kit-supplied elevated wing latches catching my hand and the polishing cloths every daggone time I worked around the upper cowl. Flat profile is the only way to go here.

I won't keep beating this drum but I am very happy with the combo of gooseneck flush hinge and piano hinge flush invisible latch. Easy to implement, secure as a vault, totally flush and smooth, zero cost using building scraps.
Bill Boyd

Hop-Along Aerodrome (12VA)
RV-6A - N30YD - Built '98 / sold '20
RV-10 - N130YD - Phase 1 flying

donating monthly to the VAF - thanks, Doug
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Old 02-08-2021, 03:01 PM
77bonanza 77bonanza is offline
Join Date: Jan 2016
Location: Gravois Mills, MO
Posts: 36

Thanks for all the responses and photos. Looking forward to using one of the recommendations.

Happy New Year all!
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Old 02-09-2021, 02:05 AM
goatflieg's Avatar
goatflieg goatflieg is offline
Join Date: Jul 2013
Location: Clarkston, MI
Posts: 710

You may have already seen my Oil Door Test video... but in case you haven't, here's a link. I went with the aftermarket sprung hinge and Skybolt fasteners.
Martin J Filiatrault
Clarkston, MI
RV-8 #83507 - empennage at hangar; currently working on finishing canopy & wing tips.
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