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KB2VXA > TECH 30.11.03 00:46l 53 Lines 2392 Bytes #999 (0) @ WW
BID : 16193_WT3V
Read: DB0FHN GUEST OE7FMI
Subj: Re: VK6HU DC floro tubes
Path: DB0FHN<DB0FOR<DB0SIF<DB0EA<DB0RES<ON0AR<LZ3NP<KD7HAH<VE2PAK<N1UAN<
WB1CHU<K1UGM<W1ON<W1ON-5<K1UOL<K1UOL<WB2QJA<KC2COJ<WT3V
Sent: 031129/1912 16193@WT3V.#CNJ.NJ.USA.NOAM $:16193_WT3V
From: KB2VXA@WT3V.#CNJ.NJ.USA.NOAM
To : TECH@WW
Hi Peter and all,
Hey guy, like the sign says, "Please start brain before engaging mouth.".
Nothing personal, that's a broad, sweeping remark.
Now check out Harry's comment about the ballast and your answer. "I have
no idea..." simply means you didn't think, didn't pause to reason it out.
Why convert 220VDC into high frequency AC when an electric arc couldn't
care less? It's only a discharge, right? Be it static pulse, DC or AC at
whatever frequency it will arc under the right conditions.
You ALMOST answered your own bewilderment with "I cannot see any need for
an inverter..." so "...I am willing to be educated." may be accomplihed
with a little thought and reflection, you already know the answers.
Once again, nothing personal. This is intended to point out how silly
some of these discussions are, blind leading the blind, thoughtlessness,
guessing substituted for reasoning, etc. and NO, I'm not perfect either
so no remarks from the peanut gallery!
Just to point out some more puzzlement and supply an answer to the one
end blackening issue. Have any of you ever examined a carbon arc lamp out
of curiosity? Around here there are plenty used for advertizing and
promotion, when I see the beams rotating in the sky I know there's some
action below. That's the idea, attract people to the event. If you have
those around your place, check one out. Ask the operator for some spent
electrodes and likely he'll give them to you. Take them home, carbon
sticks are quite useful to the creative mind. Examine the ends, the fat
one is positive and the end is concave. The skinny one is negative and
it's end is pointed. No, they weren't manufactured this way, that's how
they burnt while in operation. Now stop and reason out how they got this
way and apply it to the mysterious one black end and you have discovered
the difference between a cathode and an anode.
Now if you don't have anything else to reason it out with, let your brain
mull over the words cathode and anode, you'll figure it out. (;->)
73 de Warren, KB2VXA@WT3V.#CNJ.NJ.USA.NOAM
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Message timed by cesium laser: 19:21 on 2003-Nov-29 GMT
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