Peter,
How about silicone insulated wire.
At least the temp rating of that kind of insulatiuon is not too far off
the PTFE.
Cheers, Dick
PA3DUV
----- Oorspronkelijk bericht -----
Van: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Datum: donderdag, januari 5, 2006 10:45 am
Onderwerp: Re: [Amps] Is solid Cu 600VAC house wire, good for
tank ?toroids?
> Figure that you'll have the HV minus around 400 to 1000 volts
> (depending on tube etc) across the coil. PVC is pretty lossy, and
> nylon isn't any better. My feeling is that you're well on the way
> for some acrid smoke and a few fireworks. I've seen the results of
> trying to use 600 volt rated wire for the taps on a tank coil for
> a 2 MHz marine radio. That had 3 6146Bs in and was rated at 100
> PEP watts out. It was the CEO who insisted that PVC was used -
> much cheaper!: engineering (me) said we needed Teflon insulated
> wire. we went to Teflon......
> 73
> Peter G3RZP
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