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Re: PIRANHA - New Top Load Configuration



Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>

Hi,

The PIRANHA coil is finally going ;-))

For primary tuning, I set up the signal generator to frequency sweep from 100kHz to 110kHz.

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/Tuning.JPG

This gave me a nice graph to show the primary frequency:

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/tuning.gif

One "nice cable position" gave me 102.5kHz with is close enough  :-)

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/PIRANHA-Const-012.JPG

I then bolted it all together to finish it up (still need to poly coat the secondary coil):

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/Complete-1.JPG

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/Complete-2.JPG

Here it is doing 25 inch arcs at 1/2 power:

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/Firing.JPG

I can't run full power indoors. I loose about 10% in spark length due to the hidden primary (lower coupling) but it wants to arc "too far" already :-D

So it turned out real good!!

Cheers,

   Terry