Re: [TCML] MOTS

[jhowson4@xxxxxxxxxxx]

Those ammo cases are a really good idea.
Where did you get feedthrough insulators like that and how did you seal them to the case.
-------------- Original message -------------- 
From: G Hunter <dogbrain_39560@xxxxxxxxx> 

> If you wish to run two MOTs for about 4200VAC, then place the secondaries in 
> series with both cores grounded. Take the HV output from both MOT HV output 
> lugs. If you want to use 120VAC input, place your primaries in parallel, but 
> 180 out-of-phase. If you wish to use 240vac, then place your primaries in 
> series. Assuming the two MOTs are reasonably well matched, they will divide the 
> 240vac between them so each primary only sees 120vac. Again, make sure the 
> primaries are oppositely phased. 
> 
> A US military .30 caliber (7.62mm NATO) steel ammo can makes a sturdy, cheap, 
> oil-tight container. Pawn shops, Army surplus shops, and flea markets have 
> zillions of them. Two MOTs will just fit in there, so you won't need too much 
> oil. Worked well for me anyway: 
> 
> http://hot-streamer.com/greg/MOTDOC.htm 
> 
> and 
> 
> http://hot-streamer.com/greg/Mark_III.htm 
> 
> Cheers, 
> 
> Greg 
> 
> 
> --- On Wed, 10/22/08, jhowson4@xxxxxxxxxxx wrote: 
> 
> > From: jhowson4@xxxxxxxxxxx 
> > Subject: Re: [TCML] MOTS 
> > To: "Tesla Coil Mailing List" 
> > Date: Wednesday, October 22, 2008, 5:14 PM 
> > ok. I just wasn't sure if there were any benifits to 
> > disconnecting it from the core. 
> > i am assuming that to run 2 together to get about 4kv i 
> > should connect the cores together. giving me 2 HV outs. 
> > should I connect the primary's in series or parallel. i 
> > already know about how to match the phase by reversing a 
> > primary input in necessary. 
> > Before i do that though i have to find a way to put these 
> > in oil. any suggections for a container that could be 
> > sealed up nicely. with the help of epoxy or something else. 
> > 
> > -------------- Original message -------------- 
> > From: G Hunter 
> > 
> > > Should what be removed? Do you mean remove the HV 
> > winding, or remove the core 
> > > connection? 
> > > 
> > > Regardless, don't remove either one of them. Just 
> > leave the MOT alone and take 
> > > your HV off the single HV lug. This worked for the 
> > magnetron tube supply in the 
> > > oven, and it will work for you too. The return path is 
> > through chassis ground to 
> > > the MOT core. A picture is worth 1000 words, so see my 
> > MOT schematic: 
> > > 
> > > http://hot-streamer.com/greg/MOT_chat.htm 
> > > 
> > > No need to re-engineer your MOTs. They can drive your 
> > vacuum tube or tubes just 
> > > as they are. 
> > > 
> > > Greg 
> > > 
> > > 
> > > 
> > > --- On Wed, 10/22/08, jhowson4@xxxxxxxxxxx wrote: 
> > > 
> > > > From: jhowson4@xxxxxxxxxxx 
> > > > Subject: Re: [TCML] MOTS 
> > > > To: "Tesla Coil Mailing List" 
> > > > Date: Wednesday, October 22, 2008, 3:04 PM 
> > > > ok. so leave everything alone. sounds good to me. 
> > 
> > > > What is the best way to connect everything 
> > together for TC 
> > > > use? I noticed that one of the HV windings is 
> > connected to 
> > > > the core. should that be removed. 
> > > > 
> > > > thanks, 
> > > > Jay Howson 
> > > > 
> > > 
> > > 
> > > 
> > > 
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> 
> 
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