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*To*: tesla-at-pupman-dot-com*Subject*: Re: SAM BARROS TWIN COIL SYS*From*: "Tesla list" <tesla-at-pupman-dot-com>*Date*: Thu, 12 Apr 2001 12:12:39 -0600*Resent-Date*: Thu, 12 Apr 2001 12:13:27 -0600*Resent-From*: tesla-at-pupman-dot-com*Resent-Message-ID*: <fo81AB.A.ssC.CBf16-at-poodle>*Resent-Sender*: tesla-request-at-pupman-dot-com

Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <FutureT-at-aol-dot-com> In a message dated 4/12/01 1:49:21 PM Eastern Daylight Time, tesla-at-pupman-dot-com writes: > To power to seperate tesla coils at once, thus forming the twin coil system. > I > am very intersted in this arrangment. Thanks > > Thanks > Will McManus Will, all, One of the advantages of a twin coil system is that it will give a longer spark than a single coil for a given power input. This is because it has to be thought of as the doubling of the length of two shorter sparks. Spark length depends on the square root of the power input. for example: 1400 watts single coil: sqrt 1400 x 1.7 = 63.6" spark 700 watts single coil: sqrt 700 x 1.7 = 45" spark 1400 watt twin (thought of as two 700 watt singles): 45" spark x 2 = 90" spark The 1.7 figure is a factor that I use for efficient coils. If your coil is less efficient, use a smaller factor as needed. Cheers, John Freau

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