Re: [TCML] magnifier efficiency

[futuret@xxxxxxx]

Bart,

My formula does not specify 120 bps.  For small coils, 120 bps is 
needed to
obtain adequate efficiency, but for larger coils, the bps can often be
higher at 400 to 600 bps, etc. and still meet the formula's 
"predictions".

Large coils tend to be more efficient anyway in the sense that 
transformers
and maybe other components become more efficient when they're larger.
The lower frequencies that large coils usually run at may help also.

John

-----Original Message-----
From: bartb <bartb@xxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Tue, 9 Dec 2008 12:44 am
Subject: Re: [TCML] magnifier efficiency


The formula assumes the efficiency of John's coils at the measured 
power, measured spark length, at 120 bps. It is an excellent prediction 
of potential spark length and has stood the test time. Many times, 
coilers will fall below this value (based on their lack of experience 
or lack of attempts to produce longer sparks with a given coil). Other 
times coilers produce longer than predicted sparks (it happens). 
 
The formula is empirical and not based on 100% efficiency or anything 
of the sort. 
 
Take care, 
Bart 
 
H.S. J. wrote: 
> But, the formula most likely assumes 100% efficency and power 
transfer. 
> > -- 
> Thanks, 
> *********************************************** 
> Shouldn't BeUsingMyName 
> Email: hsheltonj@xxxxxxxxx

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