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Old 10-02-2022, 12:52 PM
csdominey csdominey is offline
Join Date: Mar 2018
Location: Alvin, Tx
Posts: 50
Default RV8 Cowl Piano Hinge - Top to Bottom halves

Would like to hear how others have dealt with the situation with the pin installation for the two hinges on either side of the cowl. There must be some way to facilitate access to the hinge for installing the pin. Does not seem possible with rivets on the most forward 6" of the hinge. All that I can come up with is to replace those first 6 (pairs of) rivets with nutplates. With the screws out, the hinge can be bent out that 3" to come into view through the cowl inlet.
Cliff Dominey
RV8A N977CD (registered!)
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Old 10-02-2022, 02:17 PM
rv8ch's Avatar
rv8ch rv8ch is offline
Join Date: Feb 2005
Location: LSGY
Posts: 5,111

Some pics of how I did it here:

I don't seem to have any more pictures of the finished cover, but can take some tomorrow if you like. I think it turned out pretty good.

You can kind of see what it looks like without the cover here:

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And with the cover

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You can see the paint deforming a little around the edges - obviously this is not something I wanted, and happened over time. One day, I'll take it back to the paint shop to get them to fix these imperfections.
Mickey Coggins

Last edited by rv8ch : 10-02-2022 at 02:24 PM.
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Old 10-02-2022, 07:56 PM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 4,024

For all three builds I have the side pins going into the cowl from the cockpit. This eliminates the pin plate thing on the nose.

Easy enough to do.

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Old 10-02-2022, 08:08 PM
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Walt Walt is offline
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 6,999

I used a thin SS piece contoured to fit the cowl which hides the pin and has the added benefit of tying the upper and lower together to prevent stress on the hinges.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
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Old 10-02-2022, 08:25 PM
csdominey csdominey is offline
Join Date: Mar 2018
Location: Alvin, Tx
Posts: 50

Thanks to all for your thoughts. Through the firewall does make good sense, except that I have the Skybolts on the firewall, and there is some interference there. Might can make it work. Thx.
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