Re: strap primaries

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

Original poster: "rheidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>

Dr Moray only used strap primaries on his TC coils, They were much thicker
and wider than 1/2 in. You could stand on them.
   Robert  H 

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Fri, 01 Mar 2002 21:59:19 -0700
> To: tesla-at-pupman-dot-com
> Subject: Re: strap primaries
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Fri, 1 Mar 2002 22:17:35 -0700
> 
> Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <ka1bbg-at-webryders-dot-net>
> 
> Hi, i used 1/8 by 1/4 inch copper strap to make the primary on the #3 tesla
> and it has worked just fine. I have some 1/8 by 1/2 copper strap from diesel
> starter windings and will use that for my next coil. Many of the old "fair
> Tesla's" that i have seen pictures of quite often used brass strap for a
> primary. cul brian f.
> 
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Friday, March 01, 2002 10:08 AM
> Subject: strap primaries
> 
> 
>> Original poster: "Mr Gregory Peters by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
>> 
>> Hey guys, A question about primaries.
>> 
>> I once read that copper strap has better RF conductive properties than
>> copper tube, but we use tube in tesla primaries to suppress corona
>> loss. My question is why? If you have, say, a peak primary voltage of
>> 40kV and a 10 turn primary, don't you technically only have 4kV/turn?
>> Isn't 4kV too low a voltage for corona discharge to really be a
>> problem? I would rather use strap as it is much easier to bend then
>> tube.
>> 
>> Cheers,
>> 
>> Greg Peters
>> Department of Earth Sciences,
>> University of Queensland, Australia
>> Phone: 0402 841 677
>> http://www.geocities-dot-com/gregjpeters
>> 
>> 
>> 
>> 
>> 
>> 
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