Re: Of Mice and HV (fwd)

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

Original poster: Steven Roys <sroys@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Mon, 24 Apr 2006 17:31:40 -0700
From: D.C. Cox <resonance@xxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Of Mice and HV (fwd)


Just use a 15 kV 30 mA NST to charge a nice fat cap (from old microwaves) 
thru a HV diode.  It won't dim your lights and the cap discharge will 
definitely put the mouse in orbit.

Dr. Resonance


> <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
>
>
>
>