Re: Ye good OL BRISG Tesla Coil

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Vardan <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>

Hi Finn,

Wild!!!!!!  Looks like about 30+ inches!!

I mirrored the movie at:

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/FINN-OL%20BRISG-MOV00634.MPG

If one frame-by-frames the arc, there are some neat things going on there too!!

http://drsstc.com/~piranha/PIRANHA/PIRANHA-2/FINN-OLBRISG-slow-MOV00634a.mpg

Looks like there might be some "cork screw" effects or something like 
tube coils...

Very cool!!!

Cheers,

        Terry



Tesla list wrote:
> Original poster: Finn Hammer <f-h@xxxx>
>
> One great thing about being a seasoned member of this fine 
> brotherhood of high voltage pulsed engineers is, that if the recipe 
> starts with:
> "You take an OLTC", well then I can go to the shed and drag out an 
> old battered prototype.
> And when the recipe continues:
> "Then sprinkle with SISG topping", then I have recent experience 
> with that too.
> Ok, Enough hand waving.
> The guts of the product, the Off Line BRIck siSG Tesla Coil, can be seen here:
> http://home5.inet.tele.dk/f-hammer/guts.jpg
> To get the gate of the CM600 open, I used a 36V TVZ, a 200nF cap a 
> 5Ohm Gate charging resistor and a 750ohm gate discharge resistor. 
> The result can be seen here:
> http://home5.inet.tele.dk/f-hammer/gatestuff.jpg
> Resonant charging as usual,
> http://home5.inet.tele.dk/f-hammer/resch.jpg
> Does it make sparks, oh yes! And this coil is one that appears to 
> favour high break rates as seen on this short video, where I sweep 
> from 63BPS to 1250BPS
> http://www.sharebigfile.com/file/22108/MOV00634.mpg.html
> Cheers, Finn Hammer