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My intuition predicts that there would be a continuous ring of plasma that would melt and burn up the distributor cap in about half a minute. On 14-04-18 09:17 AM, Jim Lux wrote: > On 4/17/14, 6:09 AM, Co60bishop wrote: >> >> I am confused by Jim's comment. The distributor definitely does make >> and break high voltage. The center of the distributor cap is one high >> voltage connection and then tie the outer spark plug wire connections >> together for the second connection. You can use a 4, 6, or 8 cylinder >> distributor and experiment with how many spark plug connections you >> use depending on the RPM of the motor spinning the rotor if you like. >> The distributor is designed to make and break upwards of 30KV. >> > > The pulse from the coil is very short (<1 ms) and occurs when the rotor > is near one of the spark plug terminals. By the time the rotor has > moved away from the terminal, the HV is long gone. > > At 6000 rpm, the distributor turns at 50 revs/second (20 > milliseconds/rev). So on an 8 cylinder engine it takes about 2.5 > milliseconds to move from one plug to the next. > > > > _______________________________________________ > Tesla mailing list > Tesla@xxxxxxxxxx > http://www.pupman.com/mailman/listinfo/tesla _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla