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  #11  
Old 08-05-2019, 02:48 PM
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tbzep tbzep is offline
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Quote:
Originally Posted by astronwolf
The cure is to seal the fins first. Either with brush on dope, or a spray lacquer dope like Deft.

Might as well just go 100% with dope sealer/filler if you have to start off that way.
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  #12  
Old 08-05-2019, 02:55 PM
astronwolf astronwolf is offline
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Quote:
Originally Posted by tbzep
Might as well just go 100% with dope sealer/filler if you have to start off that way.

Nah... Seal, sand, slather FNF, sand, optionally repeat. Faster. Not everyone likes sanding.
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  #13  
Old 08-05-2019, 03:04 PM
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Quote:
Originally Posted by astronwolf
Not everyone likes sanding.

Got that right!
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  #14  
Old 08-05-2019, 03:05 PM
metlfreak metlfreak is offline
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Quote:
Originally Posted by tbzep
Might as well just go 100% with dope sealer/filler if you have to start off that way.

I have taken printer paper and put a thin coating of Elmer's Glue All on the fin and wrapped it in the printer paper LOL. It actually turned out pretty good. Made it look super smooth.
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  #15  
Old 08-05-2019, 04:36 PM
L3Excalibur L3Excalibur is offline
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Quote:
Originally Posted by metlfreak
I have taken printer paper and put a thin coating of Elmer's Glue All on the fin and wrapped it in the printer paper LOL. It actually turned out pretty good. Made it look super smooth.


I've had good luck filling and sealing balsa fins a number of ways:

1. Good ol' Fill n Finish (or whatever the current name is for Elmers wood putty)
2. Papering with very thin coating of yellow or white glue
3. Gold thin cyano on very small fins
4. Dope sanding filler/sealer
5. Slightly thinned yellow or white glue applied direct to fins. This is my current favorite, although less so since you cannot get Great Plains yellow glue any more. Whatever their formulation was it applied beautifully w/o thinning and left sealed balsa with a dark yellow tint.
6. Combinations of two or more of the above.
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