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Author Topic: Found my stash of dope  (Read 879 times)

Offline Miotch

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Found my stash of dope
« on: May 03, 2023, 07:26:55 AM »
Getting ready to paint the biplane and was thinking about using Rustoleum because I'm still dedicated to building this without spending any money.  So, I was looking through the shed yesterday and ran across my stash of dope.  I think this will be enough white for the basecoat.  It's forever-shrinking Supercoat, but I used Polycrylic, so the silkspan isn't quite as tight as it normally is anyway.  Ten years from now, I may have wished I spent money on something else.  But it's rare a plane of mine survives my piloting skills that long.

Offline Tim Wescott

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Re: Found my stash of dope
« Reply #1 on: May 03, 2023, 07:55:09 AM »
...  It's forever-shrinking Supercoat, ...

I really wonder what Glen Sig was thinking with the brand names.

Litecoat is clear, and non-tautening to the extent that dope ever is non-tautening.

Supercoat clear is tautening.

Supercoat colors are non-tautening.
AMA 64232

The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

Offline Miotch

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Re: Found my stash of dope
« Reply #2 on: May 03, 2023, 10:01:28 AM »
I really wonder what Glen Sig was thinking with the brand names.

Litecoat is clear, and non-tautening to the extent that dope ever is non-tautening.

Supercoat clear is tautening.

Supercoat colors are non-tautening.

Wow !!  Thanks for that info.  I had no earthly idea.  Well, wife is out of town for a week and I have this, thinner, a compressor and hvlp gun ready.  Unfortunately, I have that pesky step of "sanding" to do on a lot of the plane.  This is the point where I realize I'll never have a 20 pointer.  Or a 2 pointer.  I lose patience about this point.

Offline Dan McEntee

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Re: Found my stash of dope
« Reply #3 on: May 03, 2023, 10:57:25 AM »
I really wonder what Glen Sig was thinking with the brand names.

Litecoat is clear, and non-tautening to the extent that dope ever is non-tautening.

Supercoat clear is tautening.

Supercoat colors are non-tautening.

   In talking with Gretz and the others at SIG, and as per their catalogs, all SIG colors were mixed with a low shrink base. That has been my experience with it. As a hedge against shrinking , Dave Brown still produces Flex-All but you have to purchase it direct. Or you can try the old fashion method of putting a table spoon of medicinal castor oil in a quart of thinned dope as a plasticizer. A chemical called TCP, tri-cesel-phosphate I think it is, is what manufacturers use but it's whicked stuff and don't know how easy it is to get.
    Type at you later,
     Dan McEntee
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AMA 480405 (American Motorcyclist Association)


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