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Article #19403

Re: Bug-Zapper

#19403
From: Dale Wlasitz
Date: Wed, 13 Jul 1988 15:55
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In article <3118@ihlpe.ATT.COM>, jph@ihlpe.ATT.COM (452is-Hayes) writes:
>> How can you make a homemade electric/electronic bug-zapper?  Looking
>> for something fairly uncomplicated. ...........
>> J. Hayes, ihlpe!jph

>    Suggestion: use the flyback transformer in an old TV, which have around
>15KV in output. Warning: _extremely_ dangerous to fool around with
>these, they
>_will_ kill you if you're not careful.
>    Anyway, fairly simple, and certainly cheap.
>
>--
>/------------------\  ARPA  calgary!hermann@cs.ubc.ca
>|   Mike Hermann   |  UUCP  ...uunet!alberta!calgary!hermann
>\------------------/  EAN   hermann@cpsc.calgary.c

	Ideally what you want to construct is a grid with high
potential, once the bug enters the "zap-zone" and the spark zaps
it the potential drops off therefore it is ideal to have
a current limiting output on the transformer ... say under 20 mA. I'm
sure only 4-5 mA should be sufficient to do in even the big ones.

	This current is lethal! If you play with this stuff be
careful, also install it so that no children (or adults, animals etc.)
can become zapped. I think a neon transformer would work, they
are around 30 KV and current limited as well? Cheap too, should be
surplus houses that have them. Anyone ever use one?

Dale
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From: dale@amc-vlsi.UUCP (Dale Wlasitz)
Newsgroups: sci.electronics
Subject: Re: Bug-Zapper
Message-ID: <530@amc-vlsi.UUCP>
Date: 13 Jul 88 15:55:29 GMT
Organization: Alberta Microelectronic Centre, Calgary, AB.
Lines: 30