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Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

Primer/Surfacer

Old 12-30-2011, 02:17 PM
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GSJames
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Default Primer/Surfacer

Has anyone ever tried "Smooth Prime" by Poly Fiber as a filler/primer/surfacer on wings that have been glassed but not yet painted?

http://www.aircraftspruce.com/catalo...moothprime.php

I used this stuff on the composite fuselage of my full-size Formula One and the results were very good, but I wonder how it would be on our models.
Old 12-30-2011, 02:20 PM
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daven
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Default RE: Primer/Surfacer

It looks good, but 7 days to dry??

Sounds long for primer / pin hole filler..
Old 12-30-2011, 02:25 PM
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Default RE: Primer/Surfacer

It sounds like the liquid sheet I've used from wowplanes.com.. It works pretty good.. Let it dry and sand with 220 then prime.. Not sure on what it would add for weight though.. I used it on the AR-6 plug so I didn't care about the weight.. If you want I meet you next time you're in MSP and give some to try..
Old 12-30-2011, 05:04 PM
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GSJames
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Default RE: Primer/Surfacer


ORIGINAL: daven

It looks good, but 7 days to dry??

Sounds long for primer / pin hole filler..
It looks like it's sandable in just a few hours. It's water-based so I suspect that the 7days is ultra conservative.
Old 01-08-2012, 09:31 PM
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kommander
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Default RE: Primer/Surfacer

I have used it and it worked well, I liked it because it is white. After several years rust developed in the can!! Now I use poly prime from PCL ( pacific coast lacquer ) it's the best I have found so far.

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