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10-07-2018, 06:20 AM
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Join Date: Dec 2009
Location: St Louis, MO
Posts: 956
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Removing flap tape
The flap tape on my-8 was installed on the top of the flap many years ago and needs to be removed as it has turned yellow and brittle with age. I plan on taking the flaps off and doing it on the workbench and putting flap tape on the inside top rear skin instead.
I have heard of a sanding wheel you can attach to a drill that has rather soft bristles that won?t hurt paint but I am not familiar with it. Anyone know where I can get one? I can do it by hand a little a a time but it comes off in tiny pieces and would take quite a while doing it that way. Is there another method that would work?
Thanks
__________________
RV-8, Flying
Previous airplanes: Corby Starlet, Citabria, Cessna 140, Vari-Viggen, RV-3, RV-4
RV grin every flight
"Sure is nice to have smart friends"
2018 dues paid
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10-07-2018, 06:25 AM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,208
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__________________
Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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10-07-2018, 06:46 AM
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Join Date: May 2006
Location: Pocahontas MS
Posts: 3,884
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Something to consider: After you get the flaps off, take a look at the underside of the top wing skin above the tape location. If you see any scratching, that's what you'll eventually see on the flap top skin where it contacts the new tape.
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10-07-2018, 06:50 AM
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Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,587
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I?ve had good luck using a heat gun (sparingly) to first soften up the tape. Get a corner up then slowly pull away applying heat as you go. Not too much heat. Start off with not enough heat and work up to what you need. You will quickly figure out what does the trick. With care the underlying paint comes out perfect.
Clean up the tape residue with you choice of goo remover.
Carl
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10-07-2018, 08:22 AM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,247
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This:
Quote:
Originally Posted by rv7charlie
Something to consider: After you get the flaps off, take a look at the underside of the top wing skin above the tape location. If you see any scratching, that's what you'll eventually see on the flap top skin where it contacts the new tape.
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The only purpose of flap tape that I can tell is to protect the paint on the flap. It?s not required to make the flap operate, and it would take a lot of years to wear away the underside of the wing skin. The tape is very soft (compared to aluminum), and at least out here in the west, it will pick up all sorts of grit - you?re making sandpaper essentially. So decide what you want to scratch before you apply it to one side or another.
Two of our RV?s have stainless tape on the flaps - the third will get it when I get motivated to take the yellowing tape off.....
__________________
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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10-07-2018, 08:48 AM
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Join Date: Oct 2005
Location: 08A
Posts: 9,477
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Heat gun, plastic scraper, carefully.
This is the best commercial adhesive remover I've found. I buy gallons on eBay to remove adhesive from truck bodies after vinyl wrap removal. Turns adhesive into something like slime, which can be removed with a plastic scraper.
http://www.rapidtac.com/rapid-remover.html
__________________
Dan Horton
RV-8 SS
Barrett IO-390
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10-07-2018, 09:01 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Good luck with the removal.
I put the tape on the underside of the wing, not on the flap. Both the tape and the flap have held up well.
Keep in mind, my plane is a -9 with its slotted flaps. My flap does not slide against the tap like a shortwing RV's flaps might.
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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10-07-2018, 11:47 AM
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Join Date: Dec 2009
Location: St Louis, MO
Posts: 956
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Flap tape
Thanks for the great replies. That eraser is exactly what I was looking for, heard great results.
__________________
RV-8, Flying
Previous airplanes: Corby Starlet, Citabria, Cessna 140, Vari-Viggen, RV-3, RV-4
RV grin every flight
"Sure is nice to have smart friends"
2018 dues paid
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10-07-2018, 12:54 PM
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Join Date: Mar 2007
Location: Sonoma County
Posts: 3,821
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Quote:
Originally Posted by olyolson
The flap tape on my-8 was installed on the top of the flap many years ago and needs to be removed as it has turned yellow and brittle with age. I plan on taking the flaps off and doing it on the workbench and putting flap tape on the inside top rear skin instead.
I have heard of a sanding wheel you can attach to a drill that has rather soft bristles that won?t hurt paint but I am not familiar with it. Anyone know where I can get one? I can do it by hand a little a a time but it comes off in tiny pieces and would take quite a while doing it that way. Is there another method that would work?
Thanks
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Instead of removing the flap, first try just disconnecting the link and working with the flap still attached. It is secured, and at a good working position.... it worked for me.
Heat, and then a lot of goo gone.
__________________
VAF #897 Warren Moretti
2019 =VAF= Dues PAID
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10-07-2018, 01:26 PM
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Join Date: Dec 2009
Location: St Louis, MO
Posts: 956
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Flap tape
Warren,
If I do that is there still enough room to get underneath the rear skin to put the flap tape underneath?
__________________
RV-8, Flying
Previous airplanes: Corby Starlet, Citabria, Cessna 140, Vari-Viggen, RV-3, RV-4
RV grin every flight
"Sure is nice to have smart friends"
2018 dues paid
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