I prefer my wheels to be on the ground!
Ive used a homemade hot knife with a Variac to cut foam at work to space
microwave antenna panels in prototyping. At home Ive replicated several V-8
engines when building hot rods and doing engine swaps in other vehicles.
Industrial hard foam works the best altho a bit pricey.
Carl
KM1H
----- Original Message -----
From: "k7fm" <k7fm@teleport.com>
To: "Carl" <km1h@jeremy.mv.com>; "Dave Harmon" <k6xyz@sbcglobal.net>;
<amps@contesting.com>
Sent: Wednesday, September 30, 2009 10:16 AM
Subject: Re: [Amps] Parasitics can kill
> "Hey, thats an excellent application for an otherwise useless item, a hot
> knife for cutting foam."
>
> And, the old Heath electronic switch, which was used to switch inputs to
> the single channel scopes, is a perfect box for the power supply to
> operate the foam cutting tool, along with the nichrome wire. I used that
> arrangement to make a foam mold for a new fiberglass wheel well for my
> experimental aircraft. Works nifty. I have not had any parasitics since
> then.
>
> Colin K7FM
>
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