Re: indication of good tuning (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 02 Aug 2007 02:51:24 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: indication of good tuning (fwd)

Hi Matthew,

Sparks coming out of the topload or nothing coming out of the topload 
does not define a tuned circuit. That is ridiculous! A tuned circuit for 
two or more transformers at resonance simply indicates that their 
individual resonant frequency is the same (regardless if far from each 
other or in close proximity). Whoever said, "Having sparks coming out of 
the top load is wasted energy, showing that the coil isn't properly 
tuned due to its inefficiency" is selling something (their project, 
theory, or thoughts for a moment). Or, that line of text is taken out of 
context.

Realize that when two coils are tuned to resonance, they are simply 
tuned to resonate with each other. In either case, they may or may not 
emit sparks. This has nothing to do with tuning. If you build a coil 
that you desire to emit sparks, then build it accordingly and tune it to 
resonance. If you build a coil that you desire no sparks, then build it 
accordingly and tune it to resonance. Both cases are tuned for resonance 
and are exactly the same.

Thus, neither case (long sparks or short sparks) identify a properly 
tuned coil. But, if you are building a coil for spark discharge, the 
longest spark is simply a means that our human vision can distinguish a 
properly tuned coil. If the coil has a topload radius incapable of 
producing sparks due the power/voltage/current, then other means must be 
used to determine resonance (measurements).

Take care,
Bart





Tesla list wrote:

>---------- Forwarded message ----------
>Date: Thu, 02 Aug 2007 11:05:24 -0500
>From: Matthew Boddicker <shmerpleton_town@xxxxxxxxxxx>
>To: tesla@xxxxxxxxxx
>Subject: indication of good tuning
>
>Hi everyone, this is Matthew Boddicker.
>
>Around five months ago read that a coil is properly tuned when it has the 
>maximum spark length coming out of the top load.
>
>I also heard a logical argument saying, "Having sparks coming out of the top 
>load is wasted energy, showing that the coil isn't properly tuned due to its 
>inefficiency." Something to that effect anyway.
>
>So what is the best indication of a properly tuned coil? Minimal spark 
>length or maximum spark length?
>
>Thanks!
>
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