Re: Secondary Questions

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

Original poster: "Robert by way of Terry Fritz <twftesla-at-qwest-dot-net>" <obiwan1186-at-sunflower-dot-com>

  

Tesla list wrote: 
>
> Original poster: "Mark Broker by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <broker-at-uwplatt.edu> 
>
> Hi, Jake 
>
> >Original poster: "Jake Draper by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
> <cybermecium2-at-home-dot-com> 
> > 
> >Hello~ 
> >After some thought, and the help of the Tesla List. I have decided to build
> a 
> >bigger Tesla Coil than the one I currently have (1.5"X6") I have decided
> that 
> >the best size for my next coil will be 4"X24" because I have some 4" PVC 
> and it 
> >is the size most people seem to have the best results with. My questions
> are: 
>
> Great size coil.  Seen that size used from  a single 9/30 up to about 
> 12/240 (or whatever Jim was running at the Geek GRoup Teslathon the other 
> weekend). 
>
> >1) What size of wire should I use? 
>
> John Freau has found excellent results with 26AWG with about 1600 turns. 
> It isn't a critical value, but does have some critical ramifications, 
> particularly the size of the primary inductor.  Do an archives search at 
> pupman-dot-com for a wealth of info.  I wouldn't use anything thicker than 
> 22AWG, and nothing thinner than 26AWG (unless you really want to wind 2000 
> turns of 28AWG wire ;-) 
>
> >2) How much wire would I need to wind this secondary from that size of wire?
>
>
> 1600 * 4 * pi = 20,000 feet thats 20,000 inches, 20,000 feet would wind ten
> coils.  But that's only for the design I specified. 
>
> >3) Does anybody know of a good place that sells the wire I would need to
> wind 
> >this BESIDES EBAY, and at a reasonable price? 
>
> Fay Electric Wire Co. in Oshkosh, WI -at- 920-426-0792 (no Web site). They 
> quoted me $1.95 plus copper ($1.07 on ~2-19-00) per pound for 85deg C 
> enamel-coated (the "normal" orangish-brown color) 22AWG magnet 
> wire.  Assume that the price has changed.  The only drawback is that there 
> is a 10 pound minimum purchase, and they ship COD (can be a drawback or 
> benefit).....  You could always sell the extra on the list, or donate 
> it to The Geek Group :-) 
>
> Mark Broker 
> G-5 Geek #10