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09-10-2023, 06:44 AM
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Join Date: Sep 2018
Location: Woodbury, PA
Posts: 109
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My flaps are too long!
Maybe it was just a long day in the shop yesterday, but I remounted my wings so I can set up my flaps. I can’t physically fit my flaps in position. Not even close! I would need to trim a good inch off- no way that can be right.
I originally fitted my quick build ailerons and flaps according to plans while wings were stand alone and fuselage was not started. My gap spacing was set and everything riveted on. Then I took the controls off.
I have set the wing angle, sweep, etc and it is about as perfect as it can be. It just seems my flaps are about an inch too long? I’ll have another look at it today but that was a show stopper last night.
Anyone know what is going on?
Toolman 
__________________
Toolmanmike
PA, USA
RV-7 sn75068
Emp done.
Wings done
Fuselage-?? Working on it!
Dues paid
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09-10-2023, 07:00 AM
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Join Date: Sep 2006
Location: Defiance, MO
Posts: 2,192
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Is it off by the same for both the left and right?
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Philip
RV-6A - flying 1000+ hours
Donated to VAF yearly since 2007. Why? Because it is worth every penny and more.
There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact. —MARK TWAIN
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09-10-2023, 08:50 AM
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Join Date: Aug 2019
Location: Mountain view
Posts: 813
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We're gonna need more pics. What's the other side look like when your holding it in that position? QB wings or just flaps and ailerons? Can you show some detail of the entire hinge riveted to the wing all the way out to the aileron mount brackets?
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www.rv7build.com - out of date, will be updated soon
N69ER - built and flying - 2022 Bronze Lindy
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09-10-2023, 09:14 AM
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Join Date: Nov 2018
Location: Pasadena ca
Posts: 391
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I wonder if they are RV8 flaps. My hinges look like they are about that much further away from the fuselage.
__________________
Mike
N36MB
SN 83764
IO360-M1B
Hartzell Composite CS
Phase 1 complete 10/29/22
KEMT
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09-10-2023, 09:29 AM
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Join Date: Feb 2005
Location: Oregon
Posts: 1,765
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Quote:
Originally Posted by Mikeyb
I wonder if they are RV8 flaps. My hinges look like they are about that much further away from the fuselage.
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This is a good thought. My RV-7 flaps measure roughly 56.5" between the rivet lines of the inboard and outboard ribs - would be a good thing to check.
__________________
Matt Burch
RV-7 (last 90%)
http://www.rv7blog.com
Any opinions expressed in this message are my own and not those of my employer.
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09-10-2023, 09:32 AM
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Join Date: Feb 2008
Location: Calgary, Alberta
Posts: 2,143
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Let's confirm Mikeyb's suspicions-
RV-7 flap - width at trailing edge 58", width at front spar 56.5", inside edge should project in towards the fuselage about
1 3/16"
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Ralph
Now retired - my builder assist shop now closed, 
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09-10-2023, 10:27 AM
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Join Date: Sep 2018
Location: Woodbury, PA
Posts: 109
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Both sides are the same.
They are quick build flaps, wings, and ailerons.
I can give more pics but this is really weird. Maybe they are Rv-8 flaps?!
Thanks for the measurements. I will measure and post to here this afternoon. I have an email in to tech support as well. I can’t be this dumb!
Yeah, maybe.
__________________
Toolmanmike
PA, USA
RV-7 sn75068
Emp done.
Wings done
Fuselage-?? Working on it!
Dues paid
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09-10-2023, 10:34 AM
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Join Date: Jan 2005
Location: Indianapolis, IN (KUMP)
Posts: 1,110
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The TE of my (uninstalled) RV-8 flap is 61” exactly. This has not been cut to fit to the fuse.
__________________
Thomas Short
KUMP - Indianapolis, IN / KAEJ - Buena Vista, CO
RV-10 N410TS bought / flying
RV-8 wings / fuse in progress ... still
1948 Cessna 170 N3949V
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09-10-2023, 10:36 AM
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Join Date: Dec 2011
Location: Meridian ID, Aspen CO, Okemos MI
Posts: 3,513
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I would have loved to see the look on your face when you put the flaps on and they didnt fit. Im sure it was an interesting moment! Several times in my build I had times when I just stood there with my mouth hanging open - but they were never like this!
They must be 8 or 9 flaps. I cant wait to hear the rest of this story!
__________________
rockwoodrv9a
Williamston MI
O-320 D2A
Flying N376E
2023
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09-10-2023, 12:48 PM
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Join Date: Jun 2017
Location: Erie, Colorado
Posts: 691
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WTH.....
Quote:
Originally Posted by toolmanmike
Both sides are the same.
They are quick build flaps, wings, and ailerons.
I can give more pics but this is really weird. Maybe they are Rv-8 flaps?!
Thanks for the measurements. I will measure and post to here this afternoon. I have an email in to tech support as well. I can’t be this dumb!
Yeah, maybe.
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Future post: For Sale: two expertly-built RV-8 flaps.
__________________
Michael
RV-4 2860 SuzieQ
1946 C-90-8 J-3 Cub
Security is mostly a superstition. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure or nothing. Helen Keller
Exempt but still a happy Subscriber! 2022-2023
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