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4hv.org :: Forums :: Tesla Coils
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will toroid size afect detuning

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teravolt
Sun Jul 09 2006, 05:59AM Print
teravolt Registered Member #195 Joined: Fri Feb 17 2006, 08:27PM
Location: Berkeley, ca.
Posts: 1111
If the toriod becomes larger would a tesla be less saseptible to detuning when there is a arc. Also if the field shaper gets larger will it afect spark length
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Terry Fritz
Sun Jul 09 2006, 06:54PM
Terry Fritz Registered Member #393 Joined: Tue Apr 18 2006, 12:30AM
Location:
Posts: 297
If the toriod becomes larger would a tesla be less saseptible to detuning when there is a arc.


Slightly, but the effect is small. In general, larger toroids are used at higher power levels so the detuning usually stays in the range of about 5 to 7%. A large toroid with small arcs would be the least affected by streamers as far as tuning goes.

Also if the field shaper gets larger will it afect spark length


In general yes. The breakout voltage is higher so once the streamers start there is more energy behind them and they are able to go somewhat further.

But the main factor governing streamer length is "power". Streamer length is almost directly proportional to the quare root of coil power.

Cheers,

Terry
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