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11-26-2022, 01:11 PM
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Join Date: Oct 2007
Location: Midway, UT
Posts: 560
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Flap hinge pin removal?
The plans suggest a hole in the aileron hinge for flap pin removal outboard. This requires aileron removal. Right now, in the initial wing installation and aileron/flap alignment, I find I can remove the flap pin inboard between the inboard portion of the lower flap surface and the lower wing surface. Will that manner of pin removal remain? If so, I'd like to put a 90 degree bend in the pin there so it's easier to grab.
__________________
Clay "Cookiemonster" Cook
USAF: T-38, F-111F
American Airlines: 727, MD80, 757, 767, 737
RV8 #81751 project sold
RV8 #81651 project acquired
https://theonceandfutureflyer.wordpress.com/
Donations up to date thru December 2022
"...serenity...courage...and wisdom..."
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11-26-2022, 01:21 PM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 4,024
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I recommend doing the hole in the aileron bracket. The pin can be removed by disconnecting the aileron push rod and letting it hang down. No need to remove the aileron itself.
Use a self tapping screw in the hole after the pin is install as a locking device on the outboard side. Use a piece of safety wire through a 1/16” hole through the most inboard hinge eye as the locking device for the inboard side.
Carl
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11-26-2022, 02:55 PM
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Join Date: Feb 2005
Location: Marysville, WA
Posts: 607
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Another Way to Go
An alternative method would be to split the pin in the middle and make it two pieces going from the middle inboard and outboard. That way, the flaps can be removed without messing with the ailerons at all.
I didn't build this, but this is the way the builder of my airplane chose to go and it works quite well.
__________________
Steve Rush
Arlington, WA
ArlingtonRV on YouTube
RV-8 (Bought Flying)
Glasair Sportsman (Sold)
RV-8 Tail, QB Fuselage (Sold)
RV-4 (Bought Flying) (Sold)
RV-9 Tail
RV-12 120018 Flying (Sold)
RV-7 Tail, Wings, Started Fuse (Sold)
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11-26-2022, 03:15 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 5,875
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Center removal
This works very well. Pins are pulle from the center.
I have since cut the keepers down to one eyelet each.
__________________
Larry Larson
Estes Park, CO
E-mail: wirejock at yahoo dot com
Builder Blog: http://wirejockrv7a.blogspot.com
Donated 12/2022, plus a little extra.
RV-7A #73391, N511RV reserved
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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11-26-2022, 04:45 PM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 4,024
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I did the pins in the middle on the first plane - hated it.
Carl
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11-26-2022, 05:01 PM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 13,309
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We’ve done the pins in the middle on all three of our RV’s - love it!! 
(Sorry Carl)
__________________
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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11-26-2022, 05:01 PM
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Join Date: Aug 2019
Location: Western Australia
Posts: 1,324
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Quote:
Originally Posted by Carl Froehlich
I did the pins in the middle on the first plane - hated it.
Carl
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Why did you hate it? I already have the hole in the aileron bracket during construction but a tech advisor saw it and suggested to instead split the pin in the middle.
__________________
Paul vS (yes I'm also a Van)
Building RV-6A #22320 O-320 FP. Wings and tail complete, fuselage almost done, working on canopy.
Flying my Aeroprakt A-22 STOL and the aero club's RV-9A while I build
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11-26-2022, 05:09 PM
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Join Date: Jan 2017
Location: Battle Ground WA
Posts: 620
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With the pins split in the middle the security is no more than bending an eye in the end of both pins and safety wire the two eyes together. Couldn't be easier than that.
Oh ya remember to clean and lube the pins with out any paint. As they could be a pain to get out after 500 hours.
My three cents worth Art
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Fixit
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11-26-2022, 05:37 PM
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Join Date: Oct 2007
Location: Jackson, MS
Posts: 1,500
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Quote:
Originally Posted by wirejock
This works very well. Pins are pulle from the center.
I have since cut the keepers down to one eyelet each.
Attachment 34278 |
I like it. Gonna steal it. Will install a plate nut for the screw.
__________________
Webb Willmott
Jackson, MS
RV8 - Current Build
V35B - Flying
RV7A - N32WW (Sold)
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11-26-2022, 06:10 PM
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Join Date: Feb 2008
Location: Calgary, Alberta
Posts: 2,010
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Another vote for pins in the middle. All of my builds & re-built RVs were done this way. I bend the hinge pin so they lay flat to the bottom skin & secured with a tab & screw. Real easy to remove when needed.
__________________
Ralph
built a few RVs, rebuilt a few more, hot rodded more, & maintained/updated a big bunch more
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