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[TCML] MOTkenstein



Here's a random idea,
     I saw "How it's Made" the other day, and they showed distribution 
transformers.  If I understood correctly, the primary was sheet aluminum 
separated by thick paper, wrapped like a spiral around the whole core, 
instead of a cylindrical winding of wire.  I'm not sure if I understood 
correctly but it seems to me that would work for a homemade rig as 
well.  Here is my idea, take two identical MOT cores, and cut them into 
two "E" shapes.  Then create a wooden mold the same size as the center 
leg of the "E."  Wind ten or twenty layers of sheet aluminum (or copper) 
separated by thick cardboard (to be soaked in oil) and leave two tabs 
sticking out, one at the center one at the edge.  Then wind 600 or 1200 
turns of magnet wire separating each layer of windings by several layers 
of paper, grounding the bottom winding to the core.  When this is done 
(assuming everything fits) the wooden core would be removed and the two 
"E's" would be put together creating a really tall MOT core, with sheet 
primary underneath wire secondary.  The core will be grounded to the 
white wire, and a tabs of sheet aluminum will be the 240 V inputs.  
Seems like a place to start for those interested in building their own 
transformers, should be good to 14.4 kV when soaked in oil, I just don't 
know what the efficiency will be like, but if logic serves me, it should 
be good the the same wattage as two MOTS (about 2kVA.)  I'd like to hear 
some thoughts on this before I start building, or before I purchase a 
pig, as I am sick of using MOTs which burn out every time I say 
something nasty to them (probably because of my roughly resonant sized 
cap, which I would like to keep, as using 14.4 kV instead of 8 should 
make it roughly LTR for my system.)  Comments would be appreciated.

Scott Bogard.


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