Re: 12 inch spark, 1 inch flame.

>From: Alan Sharp <100624.504-at-CompuServe.COM>
>To: Tesla List <tesla-at-poodle.pupman-dot-com>
>Subject: Re: 12 inch spark, 1 inch flame.

>I'm only drawing about 2 or 3amp at 140v
>to produce 12" sparks (300-400W). I'm
>aiming for 2 or 3 kW by Christmas but
>maybe not with a polythene former.
>Even with this current though the output
>transformer gets very hot. I'm planning to
>put 3 E cores side by side, spliting a bobbin
>in two using a bit of wood to keep the halves
>aligned at the correct distance till I wind it.
>But I've got myself confused, for the same
>inductance etc do I only need 1/3 the turns
>or 1/1.732 the number of turns (root 3)?
	Rather than cut and hack up those poor bobbins, why not just
wind 3 identical transformers. As long as you phase them properly they
can be put in series for higher voltage or parallel for higher