Re: [TCML] MOT supply

["Michael Robinson" <muze801@xxxxxxxxx>]

I too am trying to start a small coil using a single MOT if possible
but haven't figured out how to get the voltage high enough for a
decent spark gap.

And  I do play Halo (TeslaHV on Xbox Live. Perhaps you've run into me?)

Michael

On Dec 11, 2007 2:30 PM, Ben Sneath <bsneath@xxxxxxxxxxxxxxxx> wrote:
> Hello again,
>
> First, if you are looking for a long spark, don't use a 1.75
> inch dia coilform --- go to at least 4 inch dia.
>
>
> You need to run a power reactor on the primary side of your
> MOT to limit the max current draw to 15 Amps or less.
>
>
> Resonance,
> the 1.75" coilform is already made, and bolted on to the TC.
> this coil is another table top type so 4" would be a little
> bit too big...
> this poor little mot wouldent take 10A so ill be running it
> at 5 or 6.
> 1500W should be enough power to run this 15" high coil
> (thats 15" overall, including the space under the primary
> and topload :-)
>
>
> I don't think the different values of your caps should
> matter (they are quite
> close). If you could find another couple of microwave caps,
> you could build a
> voltage quadrupler, as in this design:
> http://www.scopeboy.com/tesla/tc2schem.html
> For the charging choke, MOTs work well. You would probably
> need two in series
> (using the secondaries), with the 'I' sections cut off. The
> design in the link
> above uses tube amp power supply chokes - maybe this is
> better for a low power
> coil if you can get hold of something similar. As long as
> the choke has a value of more than several H, there is no
> need for a series resistor.
>
>
>
> Tom,
> i think a voltage quadrupler wouldn't fit into this coil...
> the base is 180mmX180mm so there isnt much room for anything
> (and i want to feep as much metal out of the primary's
> magnetic field as posible). the 3 mots that i have took me
> about 2 months (that's a long time for me :-) to find, so i
> dont want to go cut anything off them. will they work with
> the core fully intact?
>
>
>
> > Hmmm - Pete, were those croc clip from the same MO  = D
> > ..  I think we have  a cheater!!
> > Good work Pete Keep up the Down Under Thunder
> >
> > ----- Original Message -----
> > From: "Peter Terren" <pterren@xxxxxxxxxxxx>
> > To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> > Sent: Tuesday, December 11, 2007 7:19 AM
> > Subject: Re: [TCML] MOT supply
> >
> >
> > > Of course a real man would only use a single microwave
> > > oven and nothing  else to make a complete Tesla coil
> > > including tank cap, spark gap primary  and secondary. Of
> > > course using the MO's normal timer as well.
> > http://tesladownunder.com/Solid State.htm#Tesla coil made
> from a microwave oven
> > >
> > > Peter
>
>
> what if you held that copetition again, but instead of
> "build a TC out of a microwave" it could be "get the longest
> spark from a microwave" it'd be funny to see what other
> weird and wonderful HV things can made out of a single MO...
>
> BTW, does anyone play halo?
>
> Ben
>
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla