...just my 2 cents: cutting the bipolar secondary in 2 independently movable
halfs could enable the control of the coupling (see the ASCII-sketch):
oooooooooooo
__________________ __________________
I__________________I I__________________I <---->
oooooooooooo
...the primary can be either of a solenoid or a flat spiral.
Regards, Kurt Schraner
-----Ursprüngliche Nachricht-----
Von: Tesla <tesla-bounces@xxxxxxxxxx> Im Auftrag von jimlux
Gesendet: Freitag, 16. Oktober 2020 02:15
An: tesla@xxxxxxxxxx
Betreff: Re: [TCML] Coupling
On 10/15/20 6:50 AM, Douglas Johnson wrote:
> Thank you both, I think I know where to go from here on my current build.
> My project is a larger bipolar than I have built to date. Secondary is
3.5"
> dia. X 24" with .015 mag wire. By the time I built the primary it was 6"
> long and I was getting "runners" on the secondary. I think my fix will
> be going to a flat spiral primary.
On a bipolar, it's hard to control the coupling on a solenoidal primary
sliding it one way or the other doesn't change the flux distribution very
much.
I'm not sure a flat is any better.
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