Re: [TCML] Tesla coil advice

[resonance@xxxxxxxxxxxx]

The JAVATC figures are slightly inaccurate.  I think Bart is working on this.

I multiply the JAVATC value by 65% and then it is accurate.

Dr. Resonance




>
> Helo all,
> that 30 cm spark length was only the javatc figure, so i
> know it is wrong... i'd be more than happy to get 16cm out
> of this coil...
> but about the transformer: has anyone had any experience
> building small hv trannies?
> btw, this little coil was going to be a take-anywhere,
> plug-it-in-and-get-sparks sort of thing...
> sorry for the late reply (been having computer problems -
> corrupted os...)
>
> ben
>
>> The coil is pretty small and small coils are far more
>> difficult to get  to perform than larger coils (my
>> experience). The Q is quite low which  doesn't help, but
>> there really isn't a good solution (wire size, coil  size,
>> turns, frequency). The 30cm spark length is likely not
>> going to  occur. The coil is just too small and those
>> spark length numbers are  based on empirical studies of
>> coils about 4" and larger, so don't be  surprised when the
>> lengths are shorter. But as far as a small coil the
>> design is fine. I expect optimum spark length will be
>> about 16cm to a  grounded target assuming the transformer
>> power works out as hoped.  Breakout should not be a
>> problem.
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Dr. Resonance

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