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09-25-2011, 01:04 PM
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Join Date: Sep 2008
Location: Sunnyvale, CA
Posts: 15
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1" hole through both F-770 and F-7101
After an 8 month break I am trying to restart my RV-7A.
I have a question: There is a 1" hole shown for the the fuel line in the forward side skin (F-770) (just in front of the main spar). It appears that this hole will also need to enlarged in the gear attach web (F-7101-L and F-7101-R). Can anyone confirm this (or stop me from making a mistake)??
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09-25-2011, 06:30 PM
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Join Date: Nov 2008
Location: Olympia,WA
Posts: 210
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Yes, the gear attach web gets drilled to 1" as well. I used a spade bit and it worked nicely.
All the best.
__________________
Arnie Barros
VAF #1401
(N89269) reserved
"Seek to understand before trying to be understood"
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09-27-2011, 01:51 PM
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Join Date: Sep 2008
Location: Sunnyvale, CA
Posts: 15
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Thank you
Thank you for the confirmation!
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09-27-2011, 06:56 PM
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Join Date: Feb 2010
Location: Vancouver, BC, Canada
Posts: 860
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1" Hole
I used a Unibit (step drill) on the skin and on the gear doubler, enlarging the pre punched hole in each part. When I clecoed them back together, the 1" holes didn't quite match up.
Suggest you drill with the parts clecoed together first, then the 1" holes are sure to align.
__________________
Terry Edwards
RV-9A (Fuselage)
2020/2021 VAF Contribution Sent
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02-21-2017, 04:37 AM
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Join Date: Oct 2010
Location: Belgium, Geraardsbergen
Posts: 118
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small additional question related to this fuel line penetration of the side skin and F7101. The F7101 gear attach and F770 side skin sit quite far appart by the angles underneath. How does this work on for the future installation of the fuel line.
Will each 1" hole have it's own rubber grommet on it or will there be only one grommet that sits in the side skin and the second hole is just 1 inch size hole without grommet, or will the grommet go over both holes (which seems unlikely to me) ?
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02-21-2017, 08:18 AM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Holes
I waited till it was time to run fuel lines. I decided to buy TS Flightlines fuel lines. They're one piece from Anadir fuel selector to tank. I drilled the holes using a uninitialized big enough to clear the fitting. I put two grommets on the line and passed it through the hole then carefully coaxed the grommets into the side skin parts. It wasn't easy but one grommet wouldn't span both pieces. Mine is an "A" model so no fear parts there.
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
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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02-21-2017, 09:25 AM
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Join Date: Feb 2010
Location: Gardnerville Nv.
Posts: 2,828
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And then using compressed air and vacuum to try and get all those drillings out between the two pieces was fun 
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7A Slider, EFII Angle 360, CS, SJ.
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02-21-2017, 09:42 AM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Debris
Quote:
Originally Posted by bret
And then using compressed air and vacuum to try and get all those drillings out between the two pieces was fun |
Try? I'm still getting debris out of there. 
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
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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08-21-2017, 03:14 PM
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Join Date: Mar 2011
Location: Remond WA
Posts: 32
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When to drill the 1 inch holes?
Is there any reason to not drill the 1 inch hole in the skin and gear attach before riveting the forward fuselage?
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08-21-2017, 07:20 PM
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Join Date: Mar 2008
Location: Dublin, CA
Posts: 1,259
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I used a unibit and drilled working from both sides. I did mine while the pieces were clecoed together so I could then prime the holes.
I also bought some other grommets from McMaster at the recommendation of another VAFer that spanned the 2 pieces. I had to buy a bag of them so if you want a couple PM me your address and I'll send you a couple in the mail.
__________________
Ray Tonks
2020 Donation Paid
Titan IOX-370, Dual PMAGs, 9.6:1 Pistons, FM-150
RV-7 Fuselage in progress
* Cabin Interior - In progress
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
RV-7 Preview Plans
Vans Training Kit #1 - Complete
EAA Sheet Metal Class - Complete
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