Subject: Making male molds for composite diffusers.
From: Paul
Date: 10/26/1999, 3:49 PM
To: zz

X-Mozilla-Keys:                                                                                 
Mike Wills wrote:


A male duct mold could be carved from foam covered with packing
tape.

Paul Lamar


Paul,

 An idea that Ive had but havent tried yet. An easy way to cover these
complex shaped foam plugs with a release film would be to use Econo Kote.
This is a cheap version of the film used on model airplanes. The adhesive
activates at a lower temp than most of the other films so it can be applied
directly to foam with a heat gun or an iron without melting the foam. Heat
not only activates the adhesive, it also shrinks the film to pull out
wrinkles. Its also possible to apply quite a bit of stretch when the stuff
is hot. Ive used this stuff for years on small weight critical RC models
applied directly to foam wings. Available at Hobby Shack or any shop that
supplies RC modelers.

Mike Wills

 
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