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Re: Formless secondaries
Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <teslalist-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br>
Tesla list wrote:
> Original poster: "Mark Snoswell by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <mark-at-cgCharacter-dot-com>
> I am also setting up my coil winding jig to wind future coils with a
> space between the turns (optionally). Most of the top potential
> generated is due to resonant rise of potential in the secondary circuit
> -- It's funny that we see so much activity on the power supply side when
> it would appear that there are significant gains (several fold?) to be
> made by improving the Q of the secondary circuit. -- Take a close look
> at the Q Variation Experiments at
> http://www.abelian.demon.co.uk/tssp/qvar070402/
> The peak Q from the various coils varies by 200% or so with the best Q's
> up around 20 in that report.
This is correct for a CW coil. In a capacitor discharge coil the voltage
gain is limited by the square root of the ratio of input and output
capacitances. If the energy transfer occurs in n cycles, there is no
significant gain if the coil has a Q of more than, say, 10*n.
> That's all for my first serious post to the list.
Welcome.
Antonio Carlos M. de Queiroz