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  #1  
Old 02-02-2021, 04:28 PM
77bonanza 77bonanza is offline
 
Join Date: Jan 2016
Location: Gravois Mills, MO
Posts: 36
Default Cowl Oil Door

What type of fastener do you recommend for the oil door? There has to be a better solution than the fasteners recommended by Vanís.
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  #2  
Old 02-02-2021, 04:31 PM
alpinelakespilot2000 alpinelakespilot2000 is offline
 
Join Date: Jan 2005
Posts: 3,683
Default

Here's what happens if you plug "oil door latch" in the search function above.
https://vansairforce.net/community/s...rchid=47737400
Hope this helps, and happy reading
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Ellensburg WA
RV-9 Flying, 0-320, Catto

Donation reminder: Jan. 2022
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  #3  
Old 02-02-2021, 05:08 PM
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bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 505
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I replaced the "Winged" studs with camloc 26S8-4; seemed the simplest and mostly solved my issue with things sticking out into the boundary layer...

There are dozens of really cool ideas running around on the forum (hidden latch, press to release, double cam action split fasteners, etc etc.)
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Brian Decker
Retired Firmware Guy and Airplane Builder

2020 RV-14 QB -- Under construction - Tailcone & Empennage Complete.
2018 RV-7 QB -- Built, Flying
2007 RV-7 QB -- Built, Drowned, Resurrected and flying
1998 RV-8 QB -- Started, Sold
1986 Mooney 205SE
1980 Mooney 231

Aided and abetted building a number of other RV's.
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  #4  
Old 02-02-2021, 05:29 PM
MED MED is offline
 
Join Date: Jul 2015
Location: Aiken, SC
Posts: 685
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I used Camlock KM610 flush latches and a spring hinge from Cleveland Tools. Looks clean and works great. Make sure you get Camlocks for the correct thickness (e.g., 0.064 inch).
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Last edited by MED : 02-02-2021 at 05:34 PM.
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  #5  
Old 02-02-2021, 05:40 PM
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rvanstory rvanstory is offline
 
Join Date: Dec 2016
Location: New Braunfels
Posts: 353
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Here's what I used. Works great. https://www.aircraftspruce.com/catal...ch-surplus.php
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Flying RV10 - N783V
1st Flight 08/20/2020
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  #6  
Old 02-02-2021, 06:13 PM
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rvanstory rvanstory is offline
 
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Quote:
Originally Posted by rvanstory View Post
Thought a pic would help....
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  #7  
Old 02-03-2021, 02:21 PM
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Bill Boyd Bill Boyd is offline
 
Join Date: Sep 2006
Location: Landing field "12VA"
Posts: 1,610
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I'll put in a plug for the way I did it in the -10. Wouldn't change a thing about it.
https://vansairforce.net/community/s...&postcount=224
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Hop-Along Aerodrome (12VA)
RV-6A - N30YD - Built '98 / sold '20
RV-10 - N130YD - Phase 1 flying

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  #8  
Old 02-03-2021, 09:33 PM
CJ in EP CJ in EP is offline
 
Join Date: Apr 2017
Location: Eden Prairie, MN
Posts: 58
Default Spring Hinge and SkyBolt 1/4 fasteners

The trick to the nice fit was to use an English wheel to shape the aluminum door for a good fit, giving the door a good coating of mold release, and buttering it in well with micro. Once the micro dried I sanded the excess off to the surface of the door, popped the door out, and carefully sanded back the edges of the door. I'll be able to adjust this as necessary when it comes time for paint.

The aluminum reinforcement inside the cowl was bonded in with some remaining proseal and riveted in place. This most likely wasn't required, and surely adds some weight, but I doubt I'll ever have problems with it. YMMV.









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Eden Prairie, MN
RV-9A
Finishing up the little bits and pieces...

Last edited by CJ in EP : 02-03-2021 at 09:52 PM. Reason: added text
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  #9  
Old 02-04-2021, 04:01 AM
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Erimo Erimo is offline
 
Join Date: Jul 2015
Location: Marcoussis, France
Posts: 129
Default RV14 oil door

Mine are flush latches Hartwell H-5000-2. There are many references (depht, thickness and offset depending door and cowl thicknesses).

I preferred to orient the latches in the axis of the plane due the curvature of the oil door on the RV14.
The Cleaveland hinge need a spacer on the cowl attach to keep the oil door flush on it.

I had to fill the Van's holes on the door with flox and compo.
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  #10  
Old 02-04-2021, 06:33 AM
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DanH DanH is offline
 
Join Date: Oct 2005
Location: 08A
Posts: 9,805
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The cowl opening doesn't seem to need any reinforcement, but the door does, in particular if cowl pressure is raised with an exit size reduction.

This door has between six and ten plies of 9 oz glass (don't remember exactly) added to the inside of the glass door, and it still bends a little when the exit is closed down; the load is about 10 lbs. An error on my part; this would have been a good application for carbon's stiffness.

Tg for West epoxy may be a factor too, as well as the single latch.
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Last edited by DanH : 02-04-2021 at 06:35 AM.
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