Lightning
Hairy Harry
paia2720 at hotmail.com
Thu Aug 3 16:20:17 CEST 2000
Yes I have the kite... but i'm fresh out of string...
Maybe you got some 30ga magnet wire laying around...?
About a 500' spool ought to do...
H^] harry (screw the squirrels... lets zap ourselves !!!)
>From: KA4HJH <ka4hjh at gte.net>
>To: synth-diy at node12b53.a2000.nl
>Subject: Re: Lightning
>Date: Thu, 3 Aug 2000 00:46:57 -0400
>
>>Lightning is DC, but usually there are many strokes at one time and
>>they do not have to have the same polarity...
>>
>>H^) harry
>
>Clouds are positively charged, so the current in a ground strike
>usually flows from earth to cloud. The "feeler", however, usually
>travels down from the cloud to the ground.
>
>Got a kite handy, Harry? I saw this experiment on TV once done by
>some old dude wearing these kooky glasses...
>
>
>>Rory McDonald wrote:
>>
>>> I just saw an interesting piece on Lightning striking humans on CNBC
>>>and
>>> made me wonder-is Lightning AC or DC? I know that the voltages can be
>>>huge.
>>> Some woman on the show got hit 3 times in her lift and lived to tell
>>>the
>>> tale-yikes!
>> > Rory
>
>
>You're talked pulsed DC here, with pretty fast risetimes. Combine
>that with the high voltage potential and you have a current source
>that can worm its way into all sorts of odd places. And then there's
>the current available. Enough to melt/blast/fry everything in its
>path.
>
>
>If she was actually INSIDE a lift that was a good place to be. The
>fellow who had the world's record for being hit by lightening was a
>Park Ranger near here (Shenadoah Valley of Virginia). Eight confirmed
>strikes! Once while sitting inside a vehicle!
>
>The anxiety got so bad he killed himself...
>
>
>For those who insist on some DIY content check out "Things to do with
>a 25000 Joule capacitor..." and "Alien Capacitor Autopsy" at
>
>http://www.geocities.com/CapeCanaveral/Hangar/6160/new.html
>
>
>--
>Terry Bowman, KA4HJH
>"The Mac Doctor"
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