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02-21-2011, 11:58 AM
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Join Date: Jan 2005
Location: Kissimmee, Florida
Posts: 178
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What type of adhesive to use
On my 7A I chose to used Sika-flex to glue the plastic bubble to my canopy frame. As a result I also chose to build my canopy skirt out of fiberglass/carbon fiber. All went well and was easier than I anticipated. I am now at the point that I need to permanently attach the skirt to the canopy.
Now to my question: To all those that have gone before, what did you use to "glue" the fiberglass skirt to the plastic along the upper sides and rear skirt. I have read that people have used the Sika-flex as well as proseal and also epoxy resin. Just need input as to what is the best route.
__________________
Jim Kinsey
7A Finishing and Engine
AFS screens
IO360A1A, Catto 3 blade
N527K reserved
Donated thru 2018
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02-21-2011, 04:47 PM
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Join Date: Apr 2009
Location: USA
Posts: 1,499
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I am using IPS Weld-On 45
from The Engineer Guy in Atlanta Ga. Not quite as strong as Weld-On 10 but not as messy either and fills gaps better. They have the best prices on Weld-On products. Let me know if you decide to go that route and don't buy the dispensing gun or mixing tips and save $121. I purchased two 400 ml cartridges for the -10. May even have some left over.
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Good judgment comes from experience, and a lot of that comes from bad judgment.
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02-22-2011, 12:25 AM
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Join Date: May 2006
Location: LL10, Naperville, IL.
Posts: 68
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I glued my glass/carbon skirt on with Sika. No problems, went well.
Stewart
RV6, finishing
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02-22-2011, 08:03 AM
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Join Date: Jan 2005
Location: Cincinnati, OH
Posts: 1,558
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The canopy on my RV-8 Fastback is fastened to the fiberglass frame entirely with structural adhesive. I used Pro Set 176 resin and Pro Set 276 hardener from the Gougeon Brothers (West System) in Michigan. It is compatible with all West Systems epoxies and can be used in conjunction with wetted out cloth at the same time. It's what Scaled composites used to 'glue' spaceship one together with. I talked with the Gougeon Brothers tech staff first and it's what they recommended. It's a thickened product, like creamy peanut butter, and is very easy to work with. It gets hard, but never brittle, over a very wide temperature range. Working time is quite long too, so you can do your entire canopy at once without worrying about the product setting up. It will cure overnight, but takes a few days to completely finish harden. When cured, you can sand it just like other epoxies and put additional fiberglass layups over it if necessary. It has worked very well for me and I've used what's left for other jobs around the shop. It comes in a one quart can (resin), one pint (hardener) and is more than you need for your canopy. Mixed 2:1, the blue resin and the yellow hardener, makes a green epoxy when mixed completely.
__________________
SH
RV6/2001 built/sold 2005
RV8 Fastback/2008 built/sold 2015
RV4/bought 2016/sold/2017
RV8/2018 built/Sold(sadly)
RV4/bought 2019 Flying
Cincinnati, OH/KHAO
JAN2020
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02-22-2011, 08:48 AM
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Join Date: Dec 2006
Location: Oakland CA
Posts: 771
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I used hysol anywhere fiberglass or plexi was being bonded to aluminum -- canopy, cowl hinges etc. I made a flox out of it where there were gaps. This was on the advice of a lancair builder. I have no idea whether this is "better" than the other methods being suggested...
Jeremy Constant
RV7A 100hrs
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02-22-2011, 09:28 AM
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Join Date: Jan 2005
Location: Kissimmee, Florida
Posts: 178
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Thanks guys, that gives me some options to look into.
__________________
Jim Kinsey
7A Finishing and Engine
AFS screens
IO360A1A, Catto 3 blade
N527K reserved
Donated thru 2018
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02-22-2011, 10:42 AM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,564
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Quote:
Originally Posted by Stoo
I glued my glass/carbon skirt on with Sika. No problems, went well.
Stewart
RV6, finishing
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Ditto on my rocket.
__________________
Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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02-22-2011, 10:52 AM
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Join Date: Nov 2005
Location: Davis, CA
Posts: 1,156
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Quote:
Originally Posted by rocketbob
Ditto on my rocket.
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Likewise, on my -7 slider. For "belt & suspenders" I used the per-plans pulled rivets thru the skirt into the square canopy frame tubes along the sides.
__________________
Lars Pedersen
Davis, CA
RV-7 Flying as of June 24, 2012
960+ hours as of June 30, 2020. Where did the time go?
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