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11-16-2022, 03:11 PM
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Join Date: Oct 2007
Location: Midway, UT
Posts: 555
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W728 Reinforcing Strip at Wing Tip with platenuts?
I am about to finish the removable wingtip preparation. What is the consensus on the W-728 reinforcing strip if installing platenuts for a removable tip?
Drawing 17A shows a W-728 reinforcing strip on the inside of the wingtip flange to receive either permanently installed rivets, or rivets from platenuts on removable wingtips. The verbage on page 7-13 says the reinforcing strip is not necessary with platenuts and the removable tips.
Do I believe the words (no reinforcing strip) or the drawings (reinforcing strip either way)?
__________________
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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11-16-2022, 03:33 PM
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Join Date: Jul 2005
Posts: 1,837
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I did not use the strip on two RVs with anchornuts.
No issues.
Did us soft rivets on #2 to help prevent crushing the glass.
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Mike W
Venice, FL
N164WM RV-6A Slider/O-360/FP Sold 4/2022
N184WM (RV-8) Flying. Titan IOX-370/ CS/G3X
N184P reserved (RV-8QB) Empennage kit and QB wings in the shop
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11-16-2022, 03:41 PM
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Join Date: Feb 2008
Location: Calgary, Alberta
Posts: 2,000
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I rivet the nutplates to the reinforcement strip, than rivet the strip to the fiberglass flange between every second or third nut plate.
Worked fine for me, but any of the three methods would be fine.
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Ralph
built a few RVs, rebuilt a few more, hot rodded more, & maintained/updated a big bunch more
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11-16-2022, 03:44 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 5,866
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Nutplates
The nutplates are pretty solid, but a strip would certainly help. It's easy to install a thin strip bonded with G-Flex.
I found it works for me to bond reinforcement strips before drilling for nutplates or countersinking for rivets.
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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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11-16-2022, 07:06 PM
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Join Date: Nov 2019
Location: Guyton, Georgia
Posts: 15
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I did the strip install with A rivets which worked well for me. The AD'S rivets are prone to crack thin fiberglass in my experience.
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11-16-2022, 07:29 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 5,141
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I used a strip on the -6. Rethought it and just riveted the nut plates directly to the tips on the -10. I don’t think the strip is necessary - it’s just extra work and weight.
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019? (actually 2022) RV-10 N46BX
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11-17-2022, 04:47 AM
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Join Date: Feb 2005
Location: LSGY
Posts: 5,108
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Quote:
Originally Posted by fl-mike
I did not use the strip on two RVs with anchornuts.
No issues.
Did us soft rivets on #2 to help prevent crushing the glass.
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Same here - and I used floating nutplates - worked fine. |
11-18-2022, 01:32 PM
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Join Date: May 2020
Location: Savannah GA
Posts: 145
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anyone have the issue where the wingtip sets about a 1/4 further aft then the aileron does?
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11-18-2022, 01:39 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 5,141
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Quote:
Originally Posted by Chipper G
anyone have the issue where the wingtip sets about a 1/4 further aft then the aileron does?
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Happens all the time. A straightedge and a cutoff wheel will make quick work of it.
__________________
Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019? (actually 2022) RV-10 N46BX
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11-18-2022, 02:57 PM
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Join Date: May 2020
Location: Savannah GA
Posts: 145
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Quote:
Originally Posted by Kyle Boatright
Happens all the time. A straightedge and a cutoff wheel will make quick work of it.
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Thank you for the info |
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