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Re: Colorado coiler teslathon( RF coils )
Subj: Re: Colorado coiler teslathon
Date: 11/26/96
To: tesla-at-pupman-dot-com
Interesting you should ask .. a few years ago I tried building what you would
call a bi-polar coil that I planed to run at 4mhz. the output of the coil
went to an ozone generating cell, my idea was to see if raising the frequency
of an ozone generator to the RF range wouls increase the efficiency of the
unit ( electric ozone generators usually run around 8-10% efficient). The
output of my Kenwood TS-530s was feed into a Dentron Jr antenna tuner to get
a balanced output for the TC primary ... to make a long story short, the end
result was that I was never able to get the tuner to handle the impedance of
the TC primary ...when I tuned it to resonance, the tuner would start arcing
inside.. I should have set up the primary to a better match .. but It was one
of those projects that never got completed ... I think if you set up a TC to
operate at RF frequencies you will get a corona rather than long sparks ..
much different effects .. you also need to worry about QRM effects ..even a
good Faraday cage will leak and if it leaked too much, the FCC my ask what
you are doing!! ..but it is an area of coiling that needs to be looked at ..
I don't know of anyone who has done much work with coils at RF frequencies
....... Al Syme (KG0QJ)