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Re: staccato CW RF envelope effects
Original poster: "Peter Lawrence by way of Terry Fritz <twftesla-at-uswest-dot-net>" <Peter.Lawrence-at-Eng.Sun-dot-com>
John Freau,
interesting data, so is running a VTTC continuously like the
union of the different types of sparks you are observing at different
portions of the AC power cycle.
-Pete Lawrence.
> Using the rising half of the wave (from 0 to sine peak), I get dim,
> long straight sparks 13" long(raspy sound). Using the middle
> portion, I get bright, long straightish sparks, 14" long. Using the
> final portion of the sine, I get dim, short, very branched sparks
> 6" long. So this pretty much agrees
> with some things that Bert H and Richie said about the effect of the
> RF envelope shape. It seems the peak power must be there for
> some time to make the sparks bright. Declining waveforms cause
> bad branching and short sparks. One of the best arrangements was
> when the middle portion was used, but with the rising portion
> favored somewhat.
>
> John Freau