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Old Oct 20, 2011, 03:22 PM
Jim.Thompson is offline
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Australia, NSW, Bellingen
Joined Aug 2008
8,060 Posts
Twist capability


Your end grain balsa has given me some inspiration to try another construction method I have seen here somewhere. My latest plan (I have had a few changes of mind), is to make the mould skin around 5 mm or so like you do and use a 30mm RHS steel frame to support the flange. This would keep the LE and TE nice and straight while allowing a small amount of twist (possibly 1 or 2 mm?) for the initial breaking of the plug out of the mould.

How does the Duratec compare to conventional spray on Gel coat in terms of sanding ease? I am thinking this due to one reason only. I can obtain very small quantities of this locally while with the Duratec I have to buy the full 1 gallon as that is all Aus suppliers sell. Or at least, that is all that I have been able to find yet.
It is clear that the Duratec will be superior as it has been designed specifically for plug preparation. But I'm just thinking of a more economic alternative for small hobby scale jobs like mine etc.

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