Re: OLTC update - Poor seconadry Q

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "jimmy hynes by way of Terry Fritz <twftesla-at-qwest-dot-net>" <chunkyboy86-at-yahoo-dot-com>


that was another question i was going to ask. when you say efficient coils do
you mean it is really tough to beat the predicted lengt? or just a little above
average? out of 100 randomly selected coils, how many would meet or beat the
prediced length? also what is that more complicated formula that you didnt post
on your page? 

 Tesla list 
>
> wrote:  
> Original poster: "by way of Terry Fritz " 
>
> Jimmy,
>
> My equation is reasonably accurate at around 300 watts. 
> Here's some sample tests from 6/8/99.
>
> watts toroid predicted length actual spark length 
> 280 3" x 10" 29" 27" 
> 280 4" x 13" 29" 27"
>
> I didn't need to test a lot of different coils because my 
> equation is not for the average coil, but only for efficient 
> coils.
>
> John
>
>
>
> > 
> > can you 
> > feel the secondary heating? also weak compared to other 300 watt coils you 
> > have 
> > made or seen or are you comparing it to johns formula for input power and 
> > park 
> > length? the formula might not be accurate at low powers, i doubt he looked
> at 
> > alot of 300 watt coils when making the formula. 
>
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> JImmy
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