Re: MOT coil does not light

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

Original poster: "Aaron Aab" <striker754-at-earthlink-dot-net> 

Alright well......I tried switching around the HOT hookups on the MOTs and
some interesting results...

How I had it originally, each side (2 transformers) to each 110v, made a
nice spark, but had to be touched to start the arc.

2 inside transformers to 110v and the 2 outside transformers to 110v created
just a small spark when the HV leads were touched

one inside and one outside to a 110v and the other inside and outside to a
110v yielded the same small spark.

Any ideas? I really am hoping to get a definate answer so I don't have to
mess around in that darn oil.


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, January 26, 2004 8:01 AM
Subject: Re: MOT coil does not light


 > Original poster: "Arpit Thomas" <neko4-at-dodo-dot-com.au>
 >
 > I think 1 or 2 of your transformers maybe connected the wrong way around,
 > if you knwo what I mean, so the peak of the sine wave created from one
 > cancels the trough created by the other.... just a thought. Try hooking 2
 > in series, not 4, and seeing if you can get an arc with them. If not, try
 > flipping the 'polarity'  of the output of one. THen see if you get a
bigger
 > spark. DO this to the other pair, then put the pairs together, treating
 > each pair like a single transformer like before.
 >
 > *********** REPLY SEPARATOR  ***********
 >
 > On 25/01/2004 at 10:24 PM Tesla list wrote:
 >
 >  >Original poster: "Aaron Aab" <striker754-at-earthlink-dot-net>
 >  >
 >  >First of all my coil is,
 >  >
 >  >15 turn primary, made of 6ga wire, spaced 1/4 inch apart.
 >  >30.5" x 6.25" secondary, 7X24" toroid
 >  >
 >  >string of 6 caps and a string of 5 for a total voltage of 10kV and 0.055
uF
 >  >
 >  >I originally was running the 9kV/60Ma NST on it until I could get these
 >  >wired up.
 >  >
 >  >The MOTs are wired in series with the center 2 MOTs hooked to the core.
 >  >They are covered in non detergant motor oil. Trying them off the coil
 >  >without oil, I couldn't draw an arc without first touching one lead to
the
 >  >other then pulling it away. Thus, the spark gap wont jump unless they
are
 >  >almost touching.
 >  >
 >  >When the gap does light, nothing happens. I tried both my blower gap
made
 >  >from a plastic PVC tee, and my 2 bolts design
 >  >
 >  >Any ideas? I thought MOTs were supposed to be almighty and create big
 >  >sparks...LOL
 >  >
 >  >Aaron
 >
 >