Re: Of Mice and HV (fwd)

["High Voltage list" <hvlist@xxxxxxxxxx>]

Original poster: Steven Roys <sroys@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Tue, 18 Apr 2006 18:46:17 -0400
From: Neon John <jgd@xxxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Of Mice and HV (fwd)

On Tue, 18 Apr 2006 08:47:33 -0600 (MDT), "High Voltage list"
<hvlist@xxxxxxxxxx> wrote:

>Original poster: Steven Roys <sroys@xxxxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Thu, 13 Apr 2006 20:02:05 +0200
>From: Finn Hammer <f-h@xxxx>
>To: High Voltage list <hvlist@xxxxxxxxxx>
>Subject: Re: Of Mice and HV (fwd)
>
>Great idea!
>
>I think animals will be able to sense the E-field from charged plates 
>far away, so they will be reluctant to enter between them.
>
>You probably have to build  some sort of  sensor to verify that the 
>mouse is lined up between the electrodes. When it is in position, squirt 
>liquid conductor on the critter, and gate SCR.

Rats, at least, will detect the E-field.  Many years ago I had a huge
rat invade my basement.  He carried off my entire year's crop of
potatoes in just a few days.  After failing with a rat trap and a
steel jaw trap, I made an electric trap.  I took a piece of approx 2
ft square one sided PCB board and etched about 1" stripes separated by
about half an inch.  I jumpered alternate stripes together and hooked
the two sets to opposite sides of a 5kv, 5 amp plate transformer.  A
short wooden post in the center held the bait.

The rate didn't get near the thing.  I figures out that he must be
sensing the field so I added a prox switch to the bait holder that
would switch on the high voltage when he touched the bait.

A few hours after I put it out, the lights in the house dimmed and
then a breaker snapped.  GOTCHA!  I'd caught him flat-footed on the
grid with his nose just barely touching the bait.  Crispy little feet,
they were.

I've used smaller versions of this for mice control for years.  I like
plate transformers over current limited transformers such as neon
transformers because the kill is so instantaneous.

A solid state fuse will limit the current if you don't want to blow a
house breaker.  I've also used low value (5-10 amp) magnetic type
breakers with about equal success.

John
---
John De Armond
See my website for my current email address
http://www.johngsbbq.com
Cleveland, Occupied TN
Don't let your schooling interfere with your education-Mark Twain