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4hv.org :: Forums :: High Voltage
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What to do with a 2uF 4KV cap

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Myke
Sun Apr 01 2007, 10:59PM Print
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Hi, I got a capcitor and I was wondering if I could make a ring launcher or something out of this.
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Steve Ward
Sun Apr 01 2007, 11:03PM
Steve Ward Registered Member #146 Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055
You could, but it will be less than exciting at that energy level. With a few MO caps (4uF or so) overcharged to 6kVDC i could get a little copper ring (1" OD) to jump maybe 15-20'. The coil was an inductor from a speaker cross-over, roughly 40 turns of 18awg magnet wire on a 1" form in 4 layers of winding (solenoid fashion).
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Myke
Mon Apr 02 2007, 01:31AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Would this cap be ok for pulse aplications but not TC use?

1175477490 540 FT22914 2uf 4kv
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Steve Ward
Mon Apr 02 2007, 02:44AM
Steve Ward Registered Member #146 Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055
Ive used caps very similar in physical construction to that cap for pulse discharge use. Its pretty low energy (16j), so im not too worried about a catastrophic failure, but dont get upset if/when you lose the cap.
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Myke
Mon Apr 02 2007, 03:18AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Well this cap I got for $5 and it is the bigest one I own so I don't want to distroy it.
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