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ROTARY GAP MOTORS
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To: tesla-at-grendel.objinc-dot-com
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Subject: ROTARY GAP MOTORS
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From: richard.quick-at-slug-dot-org (Richard Quick)
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Date: Wed, 26 Apr 1995 05:04:00 GMT
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* Original msg to: Esondrmn-at-aol-dot-com
Quoting Ed Sonderman:
ES> As I'm looking for motors for my rotary gap, what kind of
ES> horsepower rating do I need? Is 1/8 horsepower big enough?
Bare minimum IMHO.
ES> I am thinking that I want a universal or DC motor so I can
ES> control the speed. Is this necessary - or just go with an
ES> AC motor that will turn at about 5,000 RPM?
Not necessary, but variable speed is quite desirable.
ES> I noticed something the other day, when I have the coil
ES> running with only the 8000 watt resistive load, I get less
ES> performance (shorter discharges and not as intense) that
ES> when I am using the resistive load in series with the
ES> welder. This is at about the same current level also.
ES> Does this make any sense to you?
The inductive ballast stores up energy in the inductance. This
provides raw power for extra-ordinary strikes. The energy is
stored in the mass of copper and iron core of the arc welder.
Richard Quick
P.S. I am getting married in Las Vegas this weekend. Please wait
for additional replies until I return 5/2/95.
Thank You.
... If all else fails... Throw another megavolt across it!
___ Blue Wave/QWK v2.12