[TCML] Tuning idea

["Ben Sneath" <bsneath@xxxxxxxxxxxxxxxx>]

Hi all

ive had an idea about tuning: instead of using a variable
primary tap, and 
having to cut power change tap position and reapply power
etc, etc, why not
use a variable tank capacitance... a high voltage trimmer
cap coulg be made 
out of any flat sheet material (hard disk platters cut in
half?) and placed
in paralell with the tank cap. tuning could be done while
powered up and 
would be as simple as turning a wheel... you could also keep
the coil in 
tune as spark length/capacitance to earth increases as arcs
are drawn off.
is this a new idea or has some one allready thought of it in
the past and 
put it in the "couldnt be bothered" corner?

ben
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