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Re: 8 kHz Tesla Coil

Original poster: "Dan" <DUllfig@xxxxxxxxxxxxx>

Ed:

Ok, I just got an idea on how to put out the 8 kHz frequency in a more compact form. I was thinking about Tesla's experiments with ball lightning, where he used two coils of different frequency to artificially produce ball lightning. Then it hit me: how did he know that two coils of different frequency would do that? lucky guess? NO! he built the coils for something else, and when he ran them, he got ball lightning! and what was that something else? He was heterodyning the earths frequency! that way you can use smaller, higher frequency coils, and still get your 8 kHz wave....

Dan

----- Original Message -----
From: <mailto:tesla@xxxxxxxxxx>Tesla list
To: <mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx
Sent: Thursday, September 15, 2005 5:07 PM
Subject: 8 kHz Tesla Coil

Original poster: Ed Phillips <<mailto:evp@xxxxxxxxxxx>evp@xxxxxxxxxxx>

Here's the design of an 8 kHz TC I whipped up last night:

Diameter:  8 inches, height: 30 inches

101,182 turns of #40 SF wire

Wire length 21,327 feet, weight 0.66 pounds, DC resistance 2237 2 ohms

Inductance 4.1896 henries

Self-capacitance 14.5 uuFd

Resonant frequency unloaded 20.4 kHz

Toroid top load 72" OD, 24" tubing, capacitance ~79.2 uuFd

Resonant frequency loaded = 8.04 kHz

Who wants to build it?

Ed