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  #1  
Old 06-19-2011, 09:50 AM
cdr.rschultz cdr.rschultz is offline
 
Join Date: Mar 2011
Location: missoula, Montana
Posts: 20
Question wing fairing weather strip attachment

Have had very poor luck with the adhesive attachment of the butyl wing fairing weather strip. Am using the 3M weather strip adhesive, but have failed on 3 different occasions to get a permanent seal. Have prepared the surface well and used alcohol for a final cleaning each time, but I'm definitely not doing something correctly? Would very much appreciate your thoughts and experiences on the process. Thanks much.
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  #2  
Old 06-19-2011, 10:19 AM
schristo@mac.com's Avatar
schristo@mac.com schristo@mac.com is offline
 
Join Date: Sep 2007
Location: WA
Posts: 988
Default try some gorilla tape

i have had good success using multiple pieces of the black extra strong 'gorilla' brand duct tape.
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Stephen

RV7 powered by a lycoming thunderbolt IO-390
turning a whirlwind HRT prop

with more hours flying than building... 2,430 on the hobbs!
ORCA Flight
Race 771
margarita!
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  #3  
Old 06-19-2011, 10:37 AM
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jjconstant jjconstant is offline
 
Join Date: Dec 2006
Location: Oakland CA
Posts: 771
Default

I used the same 3M weather strip adhesive I think. Yellow gooey stuff. I removed the gap strip from the plane and then put the rubber onto the strip, bent the rubber to one side to expose the inside surface and stuck the nose of the tube in the gap and ran the bead of adhesive into there. Let it dry off the plane. Once it was dry I reinstalled the gap strip.

All that said, I think the main concern is that the end of the rubber doesn't come loose and start banging on the fuselage in flight. I know some folks that didn't bother with adhesive and simply put a rivet throught the end of the rubber into the aluminum gap strip.

Jeremy Constant
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  #4  
Old 06-19-2011, 10:39 AM
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jsharkey jsharkey is offline
 
Join Date: Nov 2006
Location: Bennington, Vermont USA
Posts: 1,301
Default No Adhesive

If you get the fairing to fuselage fit snug enough you don't need adhesive. The hardest part to get right is the underside trailing end. Mine seems to be doing well after about 70 hours.

Jim Sharkey
RV-6
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  #5  
Old 06-19-2011, 10:39 AM
cdr.rschultz cdr.rschultz is offline
 
Join Date: Mar 2011
Location: missoula, Montana
Posts: 20
Default wing fairing

do you apply the tape to the bottom only?
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  #6  
Old 06-19-2011, 11:29 AM
schristo@mac.com's Avatar
schristo@mac.com schristo@mac.com is offline
 
Join Date: Sep 2007
Location: WA
Posts: 988
Default tape to the bottom

the fairings are much easier to handle with the strip firmly attached with tape strips on the bottom.
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Stephen

RV7 powered by a lycoming thunderbolt IO-390
turning a whirlwind HRT prop

with more hours flying than building... 2,430 on the hobbs!
ORCA Flight
Race 771
margarita!
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  #7  
Old 06-19-2011, 03:07 PM
Greg Arehart's Avatar
Greg Arehart Greg Arehart is offline
 
Join Date: Jul 2007
Location: Delta, CO/Atlin, BC
Posts: 2,391
Default

After mine came loose in flight (no adhesive) I used clear silicone and no problems in the ensuing 200+ hours. Best done after paint.

greg
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RV-9B (Big tires) Tipup @AJZ or CYSQ
N 7965A
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  #8  
Old 06-19-2011, 03:45 PM
cdr.rschultz cdr.rschultz is offline
 
Join Date: Mar 2011
Location: missoula, Montana
Posts: 20
Default wing fairings

Just wanted to say thanks to all for their thoughts and suggestions. With your help, the "fix" is in place cheers, bob
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