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new coil
- To: tesla@xxxxxxxxxx
- Subject: new coil
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Sun, 12 Dec 2004 22:46:01 -0700
- Delivered-to: testla@pupman.com
- Delivered-to: tesla@pupman.com
- Old-return-path: <teslalist@twfpowerelectronics.com>
- Resent-date: Sun, 12 Dec 2004 22:46:08 -0700 (MST)
- Resent-from: tesla@xxxxxxxxxx
- Resent-message-id: <55EQdB.A.4sH.fySvBB@poodle>
- Resent-sender: tesla-request@xxxxxxxxxx
Original poster: <chesscactuar@xxxxxxxxx>
Hello, my name is Blake Hartley, and I am a new member to this group and I
have finished my first coil. The specs are as follows: 9kv 30mA NST,
.0075mF party cup capacitor, 6 turn flat primary (ID 3" OD 9", .25" soft
copper tubing, .25 inch spacing), 1.86" secondary wound with 785 turns 29
AWG magnet wire (coating), and 1.5" radius spherical topload. I could get
2.5" sparks from it tapped at the end of the primary. I built a new 8 turn
primary, same as last but 11" OD, so I could get the correct resonance.
Right when I finished the primary, my secondary came apart somewhere, so I
must make a new one, which I plan on coating with polypropylene so it
doesn't fall apart. I was wondering if I should make the same secondary
again or if I should redesign it. Any suggestions would be much appreciated.
Thanks
Blake Hartley
chesscactuar@xxxxxxxxx