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*To*: tesla@xxxxxxxxxx*Subject*: Re: Windings vs. Diameter - errors*From*: "Tesla list" <tesla@xxxxxxxxxx>*Date*: Sat, 01 Jul 2006 16:39:24 -0600*Delivered-to*: testla@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*In-reply-to*: <001401c69caa$7207b940$e7f6fea9@Black1>*Old-return-path*: <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>*References*: <6.2.3.4.2.20060629230952.03819be8@xxxxxxxxxxxxxxxxxxxxxxx> <20060630195648.86075.qmail@xxxxxxxxxxxxxxxxxxxxxxx> <6.2.3.4.2.20060630143214.01e44620@xxxxxxxxxxxxxxxxxxxxxxx> <001401c69caa$7207b940$e7f6fea9@Black1>*Resent-date*: Sat, 1 Jul 2006 16:39:24 -0600 (MDT)*Resent-from*: tesla@xxxxxxxxxx*Resent-message-id*: <rtJiY517-YL.A.-c.cmvpEB@chip1>*Resent-sender*: tesla-request@xxxxxxxxxx

Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx> At 07:05 PM 6/30/2006, you wrote:

To get my turns estimate, I usually place a piece of paper on thecoil and run a pencil over it. This gives a tracing of each turnand makes it easy to place flat on a table in good light with aruler to count turns per inch, to whatever precision you want. eg19G wire is .0335 in diameter by my micrometer. Over 2 inches on my4 inch coil there are 58 turns ie .0345 inches /turn. Gives a wiringpercentage of 97% which is "better" than machine wound 19G of 95% byyour table.Peter http://tesladownunder.com/

The new little coil measures 17.41mH. It measures: 985 turns (exact)

11.50? long That works out to.... r = 1.4989... 16.965mH by Medhurst.

Cheers, Terry

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