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Ovens

Subject: Ovens
From: Phillip Alexander <101234.3202@compuserve.com>
Date: Mon, 4 Dec 1995 13:31:55
For curing the " etcs " referred to in your posting, the following I have found
to be workable for small items (tailplanes, fin etc):

Make a `haybox` in  the following build sequence:
one double bed, double electric blanket, a number of straight battens (to allow
air circulation), the part to be cured laid on its bottom foam jig block, dust
sheet or two, duvet, another electric blanket, another duvet/eiderdown/blankets
or whatever you have.
Switch on and wait!

The old dust sheets should stop the vapours which come off during the cure from
staining the overlying bedding; but wash before reuse for the originally
designed purpose!

It is important to have a good thermal buffer between the laminate and the
locally hot wires of the electric blanket.

A feedback system is needed, eg digital thermometer with its probe buried in the
pile.

In practice the whole lot takes hours to come up to curing temperature, but this
can be an advantage as it reduces the chances for deformation; I have
(deliberately) been up to 64 deg. C without problems using the system. Best to
allow slow cooling too from elevated temps.

Regards, No. 175



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