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Pancake Primary (fwd)
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From: SBJohnston-at-aol-dot-com [SMTP:SBJohnston-at-aol-dot-com]
Sent: Sunday, February 15, 1998 1:44 PM
To: tesla-at-pupman-dot-com
Subject: Re: Pancake Primary (fwd)
DC Cox:
> If your budget allows an even better material is white delrin
> which is available through any large plastics supplier.
> Have then cut you eight rectangular blocks approx 3/4 in
> wide x 1 in high x the length required to hold the number of
> turns you need. Slots are cut approx 1/2 - 3/4 in deep. With
> copper strap a good rule of thumb is to allow 1/2 in total
> spacing between turns per revolution in a flat Archemedian spiral.
An excellent idea. I've used small pieces of this plastic as HV insulators
inside transmitters, but I'll have to find a supplier of bigger chunks!
Perhaps AIN Plastic deals in it...
Thanks for the good mounting idea...
Steve Johnston
sbjohnston-at-aol-dot-com