Just remember if you want to hot wire and live to tell about it, don't use
urethane foam. It breaks down under heat to produce hydrogen cyanide gas.
You might get away with it if you have extremely good ventilation, but
better to use a foam intended for hot wiring.
Mike Taglieri miket--...@juno.com
Everyone has his reasons.
- Jean Renoir "The Rules of the Game"
----- Original Message -----
From: "Gary Robison" <djgaryl...@verizon.net>
To: "KRnet" <kr...@mylist.net>
Sent: Sunday, January 02, 2011 7:25 AM
Subject: KR> Foam cutting large scale
> OK OK I do not post here much....at all ...hardly ever...A LURKER
> I have started the Corvair engine project.....11 months ago it went
> idle....
> I need to get that up and going again.....
> Because? Well....My excuse is lack of a place to build...I guess...
> As soon a the spring weather dries up I will have a barn built 24 X 40
> and get started..... Yes I will.....((I will !!)).... Oh really why? I
> will
> retire in April and have
> no excuses after that.....full time KR/Corvair.
>
> Now, why I am here today. I have built many model aircraft wings out of
> foam.
> Much beyond 4 feet hot wiring will start to sag and become useless.
>
> I just came across a wire that is rough with a diamond coating. A light
> came
> on.
>
> What if one where to use this wire, in a frame make it reciprocate and
> slowly
> draw it (like a hot wire) through the foam. Yes a perfect smooth contour
> no
> sanding .
> Or make a band saw type arrangement two pulleys spring loaded......maybe
>
> Will the wire load up and not cut? I don't know. I am asking for you
> thoughts
> Thought I would order some and see what I could make out of it. It's not
> expensive.
>
> Gary
>
>
>
>
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