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Re: A Puzzle




From: 	DR.RESONANCE[SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: 	Wednesday, September 03, 1997 11:36 AM
To: 	Tesla List
Subject: 	Re: A Puzzle

Malcolm:

I agree --- larger the resonator the better.  There is a 20-25% gain going
from 3-4 inch dia to 6-10 inch dia resonators.  This also scales up.  Ed
Wingate's 24 inch dia. resonator works about 20% better than one of our
standard 18 in dia resonators.  The larger resonators also seem to generate
a lot less standing waves kicking back into the pri side of the circuit. 
Think big!!!

DR.RESONANCE-at-next-wave-dot-net


----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-poodle.pupman-dot-com>
> Subject: RE: A Puzzle
> Date: Wednesday,September 03,1997 7:21 AM
> 
> 
> From: 	Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
> Sent: 	Tuesday, September 02, 1997 11:49 PM
> To: 	tesla-at-pupman-dot-com
> Subject: 	Re: A Puzzle
> 
> Hi DR RESONANCE,
>  
> > From:   DR.RESONANCE[SMTP:DR.RESONANCE-at-next-wave-dot-net]
> > Sent:   Tuesday, September 02, 1997 9:30 PM
> > To:     Tesla List
> > Subject:    Re: A Puzzle
> > 
> > to: Malcolm
> > 
> > A quick suggestion --- measure the distributed capacitance of both
> > inductors and compare.  The difference in this cap could explain why
the
> > freqs are similar.  Just a thought.
> > 
> > DR.RESONANCE-at-next-wave-dot-net
> 
> They most certainly are different. The L x Ctot products are 
> identical. I think it is boiling down to difference in resonator 
> losses. The scenario I am going to look for shortly is how different
> are the oscillation times between the two. The low voltage unloaded
> dynamic Q's are _vastly_ different. The large resonator has a measured
> Q of over 300 while the small one is probably less than a hundred (if 
> memory serves me well).
>     I am now wondering whether this problem might relate to the 
> apparent differences in wall plug efficiency I noted in the coil 
> chart. If so, it is clear that large resonators wound with large 
> wire have got to be better. This experience suggests so.
> 
> ?
> Malcolm
>  
> 
>