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Re Secondary Coil Resonant Frequency?
From: richard hull[SMTP:rhull-at-richmond.infi-dot-net]
Sent: Sunday, November 02, 1997 3:55 AM
To: Tesla List
Subject: Re: Re Secondary Coil Resonant Frequency?
At 11:46 PM 11/1/97 -0600, you wrote:
>
>From: Adam[SMTP:absmith-at-tiac-dot-net]
>Sent: Saturday, November 01, 1997 9:15 PM
>To: tesla list
>Subject: Secondary Coil Resonant Frequency?
>
>
>Someone asked the following question a while back, and there was no
>satisfactory answer. The question was: How do you calculated the
>resonant freq. of a secondary, with and without the toroid?
>
>The TESLA-EQ.TXT has a formula, but just calculates the 1/4 wavelength
>frequency that corresponds to the length of wire used. Does this number
>have any value to us at all?
..................
NONE WHATSOEVER! RH
.....................
>
>It seems like finding the self inductance of the coil and the
>self-capacitance and using these values to calculate the frequency by
>1/(2pi*sqrt(LC)) would give the correct results, and such calculations
>could also be made to include the toroid.
......................
Good starting point..RH
......................
>But, how do you find these two values by calculation alone (before
>building the thing)??? Do you have to resort to a messy Biot-Savart
>calculation, or is there a quick approximation?
Quick approximation is best and is found in a number of free or inexpensive
Tesla coil Specific computer programs such as Couture's or Linderly's old
programs. They are based more upon real models than pure theoretical
machinations....RH
>
>Could someone give us solved example of how it is really done??? (that's
>a challenge!)
.....................................
Not me... I just build the things. RHULL,TCBOR
>
>-Adam
>
>
>
>--------------------------------------------------------------------------
>Adam Smith
>absmith-at-tiac-dot-net
>Epoch, Inc. Digital Music Project
>
>www.tiac-dot-net/users/absmith/ Now with MP3! Musik. Macht. Macintosh.
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