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Old Jul 12, 2013, 10:09 PM
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Joined Jul 2013
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good body filler?

hey guys,

new to nitro. Im doing some repairs after a crash and am wondering what makes a good flier that can still be covered by monokote? will bondo work or something hobby specific? just need to fill in some seems.
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Old Jul 12, 2013, 11:23 PM
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Arceenut's Avatar
Canada, BC, Langley
Joined Nov 2007
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Bondo is pretty heavy. Try the paint stores and weigh the tubes of hole fillers in your hand, then pick the lightest one. My choice is Spackle.
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Old Jul 13, 2013, 10:03 AM
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United States, WA, Port Angeles
Joined Dec 2009
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Reddevil spackle what I use, quick dry and sands easley
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Old Jul 13, 2013, 11:12 AM
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St Helens, Oregon
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Spackle !!!! Clean up using water.
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Old Jul 13, 2013, 11:25 AM
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United States, IA, Rockwell
Joined Jul 2011
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Lightweight spackle. There is a "heavy" version that is not really suitable for model use. you'll know you have the right one when you pick up the container and it feels empty.
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Old Jul 13, 2013, 02:26 PM
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United States, IA, Hampton
Joined May 2012
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+1 on the lightweight spackle, but if you need strength as well then epoxy with micro balloons will be better.
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Old Jul 13, 2013, 04:42 PM
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Beer...
On the model though, if strength is no issue- lightweight spackling compound from the hardware store. Otherwise epoxy and microballoons.
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Old Jul 13, 2013, 06:13 PM
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Joined Dec 2012
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I found FastWeld to work very well..... It hardens very well, is easily sanded and can be tapped and threaded if needed.
Hope this helps...
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Old Jul 15, 2013, 10:20 PM
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USA, MO, Ozark
Joined Nov 2006
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light weight model filler

magic model filler and DAP light spackle are, as far as I can tell, the same thing It is a non shrink spackle and that is important. Can be made rock hard with thin CA AFTER it dries.

Gorilla Glue can be used with or without Micro balloons. Wetting helps it expand more and set up faster. I prefer the WHITE stuff.

OR go old school and mix a bit of balsa dust with elmers or wood glue.
It does make a color matching patch on balsa.
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Last edited by ozmo01; Jul 15, 2013 at 10:22 PM. Reason: mo stuff
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Old Jul 22, 2013, 07:03 PM
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I like lead fillings mixed with concrete
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Old Aug 08, 2013, 09:42 PM
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USA, MO, Ozark
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Quote:
Originally Posted by Machzx View Post
I like lead fillings mixed with concrete
Concrete dust is harmful, so is lead. Lead especially at very high speeds
such as greater than 1000' per second

Magic model filler and Spackle light weigh less than balsa when dry though
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Old Aug 09, 2013, 04:47 PM
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Canada, ON, Cottam
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There is also a lightweight Bondo but I can't say for sure if the iron on films would stick or not. It would depend on the application. I don't use fillers much. Doublers on some repairs.
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Old Aug 09, 2013, 08:17 PM
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Quote:
Originally Posted by ozmo01 View Post
magic model filler and DAP light spackle are, as far as I can tell, the same thing It is a non shrink spackle and that is important. Can be made rock hard with thin CA AFTER it dries.

Gorilla Glue can be used with or without Micro balloons. Wetting helps it expand more and set up faster. I prefer the WHITE stuff.

OR go old school and mix a bit of balsa dust with elmers or wood glue.
It does make a color matching patch on balsa.
You can use corn starch also instead of the balsa dust. Mix in glue or dope as needed to proper thickness.
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Old Aug 10, 2013, 09:06 PM
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United States, FL, Chuluota
Joined Jul 2013
137 Posts
Anyone ever used clear dope and baby powder. Makes excellent grain filler and sands nice. Not for filling holes, though.
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Last edited by bobmrbassman; Aug 10, 2013 at 09:07 PM. Reason: mistake
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