[Prev][Next][Index][Thread]
Re: ~Coil Size [ Maxwell caps ]
From: Geoffrey Schecht[SMTP:geoffs-at-onr-dot-com]
Sent: Saturday, September 06, 1997 10:06 AM
To: Tesla List
Subject: Re: ~Coil Size
Where can you get those Maxwell caps from (surplus?) and what's the cost?
I'd rather buy them than roll my own.
Geoff
> From: FutureT-at-aol-dot-com[SMTP:FutureT-at-aol-dot-com]
> Sent: Friday, September 05, 1997 5:26 AM
> To: tesla-at-pupman-dot-com
> Subject: Re: ~Coil Size
>
> In a message dated 97-09-05 10:11:02 EDT, you write:
>
> <<
> > John Freau
> > What sort of cap do you use and what is it's dimensions and what is it
made
> of.
>
> > Thanks in advance
> > Richard
> >>
>
> Richard,
>
> For the 42" spark, I use two .014uF caps in series for .007uF.
> Polypropylene, Maxwell brand.
> But homemade rolled polyethylene will give the same results. The
> dimensions of the Maxwell caps are 4" x 6" x 8.5". (without the mounting
> bolts which stick out about 0.5" on each end) Each is rated
> at 45kV (AC?). I used what I had. One .007uF cap rated at 30kV
> AC would be adequate and would be smaller physically. I should
> toss a vacuum quenched static gap onto that coil and see how much
> the spark diminishes.
>
> John Freau
>
>
>