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Old Oct 30, 2001, 07:34 PM
SKINNI MINI flyer
Barrett's Avatar
Pearl River, LA, USA
Joined Sep 2001
645 Posts
Is there a way to remove epoxy? Please help!

After a repair to my tiger moth tonight, I pulled it out after the 5 minute epoxy had dried and i was putting the prop back on and noticed that the gear box would not spin all the way around because i got some epoxy in the teeth on the gear. Is there a way to get this out? It is dry. But will mineral spirits or nail polish remover work ? Or anything? Please help! Thanks!
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Old Oct 30, 2001, 08:12 PM
Master of disaster
Travis's Avatar
Northern Virginia
Joined May 2000
707 Posts
You may be able to losen the epoxy by soaking the parts in
rubbing alcohol, mayby.

epoxy that cures on plastic can be carefully and slowly chipped
and peeled away. This is tedious and it sucks.

Don't use anything that could harm the plastic gears or housing.

Given the time and tribulation it would take to remove the epoxy
you may be happier buying a new gearbox!
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Old Oct 30, 2001, 08:49 PM
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Steve Diebolt's Avatar
Torrance, CA, USA
Joined Jan 2001
139 Posts
If alcohol doesn't work, try regular household vinegar. Vinegar will take epoxy off Monokote type covering and may work well on your problem also.

Regards,

Steve
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Old Oct 30, 2001, 08:59 PM
Registered User
Oak Harbor, Washington, United States
Joined Jan 2001
1,183 Posts
Heat will usually soften and allow epoxy to be peeled away. The question is whether or not the epoxy will soften before the heat damages the gear. I guess you might try it as a last resort. I've used a heat gun for doing this where I've removed epoxy from an airframe.

Norm
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Old Oct 30, 2001, 10:01 PM
SKINNI MINI flyer
Barrett's Avatar
Pearl River, LA, USA
Joined Sep 2001
645 Posts
Well thanks for all the quick replies guys! I have good news! I got the epoxy out of the gearbox about an hour ago. I dont know if the fact that i put some paint thinner and nail polish remover on it helped, but after playing with it for a while it became loose and i used a tooth pick to push it out. Then i had about a 20 min flight right in the back yard at 9:30 at night! thanks again!
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Old Oct 30, 2001, 11:14 PM
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Northwest Territory
Joined Jan 2001
203 Posts
I am glad to see you got the epoxy off the gear. For future reference, in addition to the suggestions above, you might try freezing. Some epoxies become very brittle and can easily be chipped off.

Lee
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Old Oct 31, 2001, 12:30 PM
SKINNI MINI flyer
Barrett's Avatar
Pearl River, LA, USA
Joined Sep 2001
645 Posts
thanks again

Thanks guys! More successful flying done this morning!
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