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RE: bipolar coil design

Original poster: "Ralph Zekelman" <gridleak@xxxxxxxxxxxxxx>


-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: Monday, March 21, 2005 8:47 PM
To: tesla@xxxxxxxxxx
Subject: bipolar coil design

Original poster: Lee Kohlman <lwkksw@xxxxxxxxx>

I'm new to the list and have been collecting information and parts to
a tesla coil.
I am planning to build a bipolar coil.

My current specs are looking like this:

Secondary- 20 Awg wound 56" on a 6.25" pvc form, approx 1700 turns
Primary- 6 turns .25" copper tube flat spiral 4.5" id, 8" od at center
Hv Supply- 2x 15kV 60mA NST (parallel)
Cap- .03uF 45kV pulse capacitor

>>Topload- 2x 6" aluminum dryer duct 30" diameter toroid, 1 on each end
from secondary windings.<<

Are you building a twin bipolar, or a horizontal 1/2-wave?
See my bipolar pics at
Ralph Zekelman

Secondary frequency- 112.76kHz Primary- 232.96 kHz

I used javatc to do the calculations.  If you want to see the complete
output let me know.

Any ideas?

Lee K.