On Jan 5, 2006, at 1:45 AM, Peter Chadwick wrote:
> 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!:
Sometimes cheaper turns out to be way more expensive.
> engineering (me) said we needed Teflon insulated wire. we went to
> Teflon......
> 73
> Peter G3RZP
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>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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