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Mar 29, 2019, 09:27 PM
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Discussion

Tips for finishing micro balsa planes


Hi All,

Planning to build micro planes out of balsa and powered by 1s lipo packs. Example like the micro kaos 1s -

https://outerzone.co.uk/plan_details.asp?ID=7732

What is the best finishing/painting method without adding too much weight?

Thanks.
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Mar 30, 2019, 11:08 AM
cat herder
jimmycashley's Avatar
A really light coat of oil based polyurethane from a spray can, very carefully sand with 320 or 400, and then possibly some sharpie markers. As you obviously know, paint is heavy.
Mar 31, 2019, 11:52 AM
Play that funky music right
kenh3497's Avatar
Or maybe lacquer out of a spray can??? More solvent to evaporate????? The lacquer would dry a lot faster. I guess some experimentation is in order!

Ken
Apr 17, 2019, 10:43 AM
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Paul's Avatar
Why not one of the lightweight iron-on films, like Parklite or something similar.
May 03, 2019, 11:11 AM
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tspeer's Avatar
Quote:
Originally Posted by Gerry Santos
...What is the best finishing/painting method without adding too much weight?...
Have you considered tissue over mylar?
http://www.antiquemodeler.org/sam_ne...%20mar2008.pdf
http://www.flyingacesclub.com/PFFT/T...arCovering.pdf
http://www.thebuildingboard.com/2012...ver-mylar.html
Covering with mylar and tissue
May 03, 2019, 10:24 PM
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Thread OP
Thanks guys for the inputs. Will try experimenting first with japanese tissue and dope but unfortunately, dope is hard to come by in this country.
May 06, 2019, 07:16 PM
Play that funky music right
kenh3497's Avatar
Quote:
Originally Posted by Gerry Santos
Thanks guys for the inputs. Will try experimenting first with japanese tissue and dope but unfortunately, dope is hard to come by in this country.
Do you have access to lacquer? What I have used is what is used to finish furniture. It can be purchased at home improvement stores or hardware stores in the paint department. Lacquer and dope are in the same family of cellulose paints.

Ken
May 07, 2019, 03:59 PM
Registered User
There are plenty of micro-light films and I've used colored felt markers.
Having built several of these types from Stevens Aero, you have to be very careful concerning weight and using any spray on coating can add it. Just a few extra grams can make a difference.
I never use any sort of spray on finish for these.
Jun 13, 2019, 10:08 AM
Lurking......
LTR91's Avatar
You don't need dope to shrink and seal tissue, yo can get away with using acrilic floor polish. I've used it with stick and tissue models and the only side effect is less shrinking ability. You might consider laminating film too. Most of the builds in the micro forum use a mix of future floor wax and Tamiya paints.


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