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Re: New project
Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>
Hi Dave,
Four inches dia. is a 5cm coil radius. At 3MV/m radius, that is only
150kV!! But the top terminal and all can shroud or shield that to
mess with the fields to make it far better.
But there is a limit there of about roughly say 250kV... For "small"
coils in the less than 500W range, "I think" 4 inches is fine. But
for 500W+ coils one should go to 6 or eight inches... IMHO...
It all depends on "a LOT"... But "bigger is safer than smaller"...
I suspect your voltage is lower, but your input power is high to
drive longer arcs... Higher BPS is "good" there ;-))
So, I think your are driving lower voltages at higher BPS and
proportionably higher power to reach out.
Cheers,
Terry
At 08:33 PM 10/10/2006, you wrote:
In your opinion, whats highst practical KW input for a 4" dia. coil
? I mean, there comes a point in the quest for longer sparks , that
its just more practical too increase dia. for more output. I run 3kw
into such a coil, and, feel Im reaching the limit. I may have
reached close to 5 feet , with a huge toroid. ( static gap only
) any other 4" coilers out there want to coment ?
....