Re: Tesla Coil Blunderbusses

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-uswest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Ralph,
         If your gap firing is synchronous with the mains you could 
use a LV zero-crossing detector to start the sweep.

Regards,
malcolm

On 23 Apr 01, at 18:47, Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> <Parpp807-at-aol-dot-com>
> 
> In a message dated 4/23/01 5:53:15 PM Central Daylight Time,
> tesla-at-pupman-dot-com writes:
> 
> << Independent 
>   triggering of the scope using the external socket may help if it can
>   be sync'd with the gap fires.  >>
> 
> Malcolm,
> This spooks me. How do I safely derive the trigger signal?
> 
> cheers,
> Ralph Zekelman
> 
> 
> 
>