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Re: Weather/coil performance
Original poster: Terrell Fritz <terrellfone@xxxxxxxxxxxxxxxxxxxxxxx>
Sontube and other cardboard tubes will have much higher loss in humid
weather. That might decrease spark length roughly 20%. Plastics
should not be affected.
But I think the original poster was seeing practically NO spark
output. Unless the secondary was covered in ice or dripping wet,
humidity or temperature effects alone would not explain a total loss
of spark output.
Since everyone uses poly caps, capacitor temperature drift would be
tiny too and would not explain the problem.
At 09:37 PM 1/19/2007, you wrote:
Original poster: BunnyKiller <bunnikillr@xxxxxxx>
Dont know about frozen ground where I live ( New Orleans) but
humidity and cool air does have a significnt impact upon my coils
Runs in the summer ( 95+ degreees at 90+ humidity) average 10-12
foot long streamers
but in the winter when things are more like 50 degrees at 40%
humidity the streamers can reach 12 - 15 feet
also seems that any secondary coil in storage ( quantity of 3) will
pick up voltages from the running coil more so than during the
summer conditions...why this is I dont know but I have to be careful
when handling "offline" secondary coils during winter.. I have been
bit by the "offline" secondaries after running the bigpig coil in
the winter months... I m going to suppose that the lower humidity
doesnt offer a "leakage" to the ""offline" secondaries...
another option to consider is that the secondary of the actively
used coil has a bad tendency to want to "bite" when handling it
after a run during disassembly more so during the dry colder
evenings as compared to the summer nights.
I had the bigpig coil secondary "bite" me on my thigh one time which
left me on the ground and immobile for a few moments... now mind
you, the coil had been off for several minutes and the secondary was
totally disconnected from the system for 60 or so seconds... all I
can say is that a secondary coil will behaive as a capacitor during
cold dry weather.... :)~