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economical rotory gap motor
I have an asynchronous RSG that I have built for my largest Tesla
system that has given good performance, so I thought that I might
pass it on to the list. I simply purchased a Black & Decker 6"
bench grinder from my friendly nieghborhood Walmart for about
$40. Then I remove each of the emory wheel guards and the emory
wheels themselves. I now have a great 1/3 HP, 3450 RPM motor
with a good mounting base and a threaded 1/2" shaft on each end
of the motor. I use a 3/8" x 10" dia. lexan disc w/ (6) 3/8" x 2" long
threaded brass rods held in place w/ 3/8" SS nuts for the rotory
electrodes on each shaft. This gives me a nice double rotory gap
system. I won't go into detail about the rest of the Tesla system,
but w/ power supplied by a 10 KVA pole pig, I get white-hot 8 to
10 ft sparks. The only thing that is probably limiting the output to
this range is the fact that I am cramped in a 12' x 20' single car
garage w/ 8' high ceiling rafters.
I'm sure that I'm not the first one to think of this, but I thought that
I would just pass it on in case someone may need some ideas.
Keep on Sparkin'