Re: John Freau design trick making a primary

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

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tb3-at-att-dot-net>

Soooo,

What's this John Freau design trick making a primary 
with 10awg but more turns?

Terry Blake
> Original poster: "Steven Ward by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
> <srward16-at-hotmail-dot-com>
> 
> Hi Dan,
> 
> In my experience with a 450w coil awhile ago, going from 12awg to 13 
> conductor litz was a very noticable difference!!  I got an additional ~15% 
> more spark lenght from this little coil.  Now im working on a coil with 2X 
> your PSU(15/120), and im definitely NOT using anything as wimpy as 14awg, 
> really 6awg is pretty good but litz may be even better if its large enough.  
> Just to further my point, i have noticed that anything less than what the 
> rest of the coil is wired with gets warm!  For example: while experimenting 
> with off axis inductors, the small 14awg wire i used for the inductor got 
> HOT from a small 550watt coil!!  The rest of the coil was litz and copper 
> tubing and the 14awg was junk compared to another inductor made from 1/4 
> copper.  Also, i tried out a John Freau design trick with making a primary 
> with 10awg but more turns.  The entire primary coil got warm after about 2-3 
> minutes of running, but I will say that this primary was great!!  It really 
> squeezed a lot out of the small coil, about 30" from a 12/40(modified) and a 
> static gap only!  So over all i do not think that you should use that 14awg. 
>   Go for the 6awg, it looks like you already did quite a bit of work so 
> whats some extra connection changes, go for it!
> 
> Steve Ward.
> 
> 
> >From: "Tesla list" <tesla-at-pupman-dot-com>
> >To: tesla-at-pupman-dot-com
> >Subject: Wire for Tesla Coil Tank Circuit
> >Date: Wed, 24 Jul 2002 11:38:26 -0600
> >
> >Original poster: "Mccauley, Daniel H by way of Terry Fritz 
> ><twftesla-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>
> >
> >
> >
> >I'm in the process of choosing my wire for use in hooking up components in
> >my primary tank circuit.
> >
> >For a small coil (15kv/60ma) my current choices are:
> >
> >1.  60kV, 14AWG High Voltage wire
> >
> >2.  6 AWG Welding Cable
> >
> >I'd rather use the 60kV, 14AWG High Voltage wire as most of my components
> >already have the proper terminals
> >to use for this, as the 6 AWG requires much larger terminals which i would
> >need to refit.
> >
> >However, I realize the low-inductance 6 AWG may better fit the bill.  But,
> >if both wires will do the job adequately in the small coil like mine, i'll
> >go with the high voltage wire.
> >
> >What are your thoughts???
> >
> >Thanks
> >
> >Dan
> >
> >
> >
> 
>