Quote from: capacitor70 on July 21, 2008, 10:18:34 PM
@Xbox Which is your secondary ? Use thick copper wire for secondary , In Xbox image secondary wire looks very thin. It may not pass high current effectively and become hot.

Here is the simple circuit diagram of my 700Hz 250V AC inverter, It works great not much heating of Mosfet....
If you want to go for more high frequency you need to consider following points.
1. MOSFET diver is must.
2. Use ferrite core.
3. MOSFET gate capacitor..

in my engine test I am not using any inverter, Inverter turansformer is burned by mistake...

R2+VR1 and C2 gives you frequency
Freq=1/(5RC)

The secondary is the small wire...i can not get a toroidal coil to work to save my life! But I have been using the linear coil for days! The linear coil was a choke that i wrapped the primary wire around...so i did have to make the secondary myself...it was already dun 

I HAVE AN AMAZING VIDEO TO SHOW EVERY ONE!!! It is a must see....as soon as youtube is dun with maintenance 

As for the capacitor charging, i dont think is its a issue (not as much as i thought it was) I fire the plasma rapidly and the spark seems to become less and less.... but if i spray water on it, when it is low, the spark is fantastic!!! All my tests were with no water, but you add the water and it seems to be fine!

Quote from: xbox hacker on July 21, 2008, 11:42:33 PM

I HAVE AN AMAZING VIDEO TO SHOW EVERY ONE!!! It is a must see....as soon as youtube is dun with maintenance 

HERE IS THE VIDEO!!!!!
Please watch these videos!

http://www.youtube.com/watch?v=Jr_xWnej-gc

http://www.youtube.com/watch?v=3E_dAh5ZRcs  <~~~this one is just for fun!!!! 

Very nice videos!  I hope to make one soon.  I have job lined up soon for extra cash for parts.

Another UPDATE:

I made a new coil with wire form a microwave transformer, i used it for the primary and the secondary. It works great and now it barely gets hot! I might do some more heat trials to see for sure........