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06-27-2018, 02:10 PM
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Join Date: Feb 2018
Location: Ramona, CA
Posts: 109
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RV7 Rollbar
I got the replacement rollbar today from Vans. This one is better than the original but it is still not flat on the canopy rails. This one rocks about 1/8 inch and the original is almost 1/4. Does anyone have any reommendations for this problem and is it common? I also checked it on another flat surface and it is indeed not made correctly.
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06-27-2018, 02:23 PM
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Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,875
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I might be misunderstanding and not sure if this is a slider or tip-up but the slider roll-bar mounts to the longerons, not the canopy rails.
__________________
Ray
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ AFP FM-150 FI, 1 PMag, Vetterman Trombone Exh, SkyTech starter, PlanePower Alt
Catto 3 blade NLE, FlightLines Interior, James cowl, plenum & intake, Anti-Splat -14 seat mod and nose gear support
All lines by TSFlightLines
NSDQ
"The object of the game, gentlemen, is not to cheat death: the object is not to let him play."
Patrick Poteen, Sgt. U.S. Army
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06-27-2018, 02:35 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 3,500
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Maybe related, maybe not, but the RV-6 plans have you use shims to square the roll bar with the longerons. How is that accomplished in the -7?
__________________
Kyle Boatright
Atlanta, GA
2001 RV-6 N46KB
2019(?) RV-10
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06-27-2018, 02:45 PM
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Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,875
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Same for the -7...
Page 9-9 of the instruction manual
Install bolts/nuts/washers to hold the roll bar in place for further fitting. With the nuts tightened, double-check that the roll bar is square to the fuselage longerons. See DWG 42, View C-C. Use shims if/as required.
__________________
Ray
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ AFP FM-150 FI, 1 PMag, Vetterman Trombone Exh, SkyTech starter, PlanePower Alt
Catto 3 blade NLE, FlightLines Interior, James cowl, plenum & intake, Anti-Splat -14 seat mod and nose gear support
All lines by TSFlightLines
NSDQ
"The object of the game, gentlemen, is not to cheat death: the object is not to let him play."
Patrick Poteen, Sgt. U.S. Army
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06-27-2018, 03:06 PM
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Join Date: Feb 2018
Location: Ramona, CA
Posts: 109
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Rollbar
Sorry, I was checking it on the longerons. The 90 degree angles are correct to the rollbar but it looks like the rollbar is not bent correctly. If you could twist the rollbar a little, then it would fit flat and be square to the longerons. Is it possible to twist the rollbar a little. If I use any shims, I he rollbar won't be 90 degrees to the longerons.
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06-27-2018, 03:35 PM
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Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,875
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Quote:
Originally Posted by jask
Sorry, I was checking it on the longerons. The 90 degree angles are correct to the rollbar but it looks like the rollbar is not bent correctly. If you could twist the rollbar a little, then it would fit flat and be square to the longerons. Is it possible to twist the rollbar a little. If I use any shims, I he rollbar won't be 90 degrees to the longerons.
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Yes, twist away, slowly, until happy with the results. Find a nice flats surface to confirm the twist is gone. You may need to do some bending to meet the width requirement gaps as well, per instructions.
__________________
Ray
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ AFP FM-150 FI, 1 PMag, Vetterman Trombone Exh, SkyTech starter, PlanePower Alt
Catto 3 blade NLE, FlightLines Interior, James cowl, plenum & intake, Anti-Splat -14 seat mod and nose gear support
All lines by TSFlightLines
NSDQ
"The object of the game, gentlemen, is not to cheat death: the object is not to let him play."
Patrick Poteen, Sgt. U.S. Army
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07-14-2018, 09:04 PM
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Join Date: Aug 2006
Posts: 613
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I used a hydrolic press to flex mine around untill it fit. Not a big problem.
__________________
Aircraft structure built.
Going at a snail's pace, life gets in the way.
Wiring done.
Engine hung.
Working on cowling.
RV 7
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