Re: Of Mice and HV (fwd)

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

Original poster: Steven Roys <sroys@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Mon, 24 Apr 2006 13:14:21 -0700 (PDT)
From: Yurtle Turtle <yurtle_t@xxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Of Mice and HV (fwd)

Would you even need the can? I'd think the large EMP
would do enough damage to his brain/CNS without the
can.

Adam

--- High Voltage list <hvlist@xxxxxxxxxx> wrote:

> Original poster: Steven Roys <sroys@xxxxxxxxxx>
> 
> 
> 
> ---------- Forwarded message ----------
> Date: Tue, 18 Apr 2006 21:04:58 +0200
> From: Finn Hammer <f-h@xxxx>
> To: High Voltage list <hvlist@xxxxxxxxxx>
> Subject: Re: Of Mice and HV (fwd)
> 
> Another work around the lack of conductive path, due
> to fur:
> 
> Lure vermin into metal can, then shrink can.
> 
> Cheers, Finn Hammer
> 
> High Voltage list wrote:
> 
> >Original poster: Steven Roys <sroys@xxxxxxxxxx>
> >
> >
> >
> >---------- Forwarded message ----------
> >Date: Tue, 18 Apr 2006 11:29:05 -0400
> >From: "Mccauley, Daniel H"
> <daniel.h.mccauley@xxxxxxxx>
> >To: High Voltage list <hvlist@xxxxxxxxxx>
> >Subject: RE: Of Mice and HV (fwd)
> >
> >I agree.  Just zapping a mouse with a high voltage
> arc probably isn't
> >going to do much.  You need to establish a good
> path for current to flow
> >through the vital portion of the mouse to be
> effective.  For animals
> >with fur, this is not so trivial.
> >
> >You are probably better off with an old fashion
> mouse trap!  Remember
> >the old adage about building the better mousetrap. 
>  You just can't do
> >it!
> >
> >Dan
> >
> >
> >
> >HI Matthew,
> >
> >As dangerous electricity is, killing in a reliable
> way with it is 
> >really hard; read about electric chair execution,
> they used a lot of 
> >power with good contact ( they used salt saturated
> water pad ) some 
> >time they need to applied the tension many time to
> finally kill. I also 
> >know a man who was strike by a power ( 14.4KV )
> line, he loose an arm, 
> >a leg and have internal organ damage but he
> survived...
> >
> >Cheers,
> >
> >Luc
> >
> >
> >On 13-Apr-06, at 1:07 PM, High Voltage list wrote:
> >
> >  
> >
> >>Original poster: Steven Roys <sroys@xxxxxxxxxx>
> >>
> >>
> >>
> >>---------- Forwarded message ----------
> >>Date: Tue, 11 Apr 2006 07:20:03 +0930
> >>From: Matthew Smith <matt@xxxxxxxxxx>
> >>To: High Voltage list <hvlist@xxxxxxxxxx>
> >>Subject: Of Mice and HV
> >>
> >>Greetings All
> >>
> >>CONTENT WARNING: If you are distressed by nasty
> things happening to
> >>vermin (small furry creatures to those not
> infested with them), please
> >>do not read any further.
> >>
> >>They don't make 'em like they used to!  Our house,
> completed just over
> >>two years ago (actually not completed, but that's
> another story!)
> >>appears to have been built to accommodate rodents
> just as comfortably 
> >>as
> >>humans.
> >>
> >>Snap traps have proved anything but reliable (bait
> gone, trap still 
> >>set)
> >>and when they do operate, frequently kill in an
> unclean manner.
> >>
> >>So, I have decided to build an electric mousetrap.
>  Idea is simple:
> >>mouse enters trap and has to pass through a narrow
> gap between two
> >>aluminium plates arranged in a V.  (Mouse enters
> the larger part of
> >>    
> >>
> >the
> >  
> >
> >>V.)  One plate is fixed, the other against light
> spring tension so
> >>    
> >>
> >that
> >  
> >
> >>the subject has to push between the two plates to
> get to the bait.
> >>
> >>Plates are connected to a charged capacitor. 
> Charging will be from a
> >>PWM supply driven by a microcontroller which stops
> when capacitor
> >>voltage reaches an upper threshold and starts
> again once it has
> >>discharged (mostly through the feedback voltage
> divider) down to a
> >>minimum voltage.  The idea being that this device
> is battery-operated
> >>and tries to save power.
> >>
> >>Does anyone have any idea what minimum voltage I
> would need to apply
> >>    
> >>
> >to
> >  
> >
> >>guarantee fatal fibrillation?
> >>
> >>I had considered powering from a disposable camera
> supply (no
> >>microcontroller - simply pulse the start button
> when the neon goes
> >>    
> >>
> >out)
> >  
> >
> >>but, whilst photoflash capacitors can give us a
> ghastly bite, is the
> >>300V or so enough to take out a mouse in its
> insulating fur coat?
> >>    
> >>
> >I've
> >  
> >
> >>serviced equipment before where mice have gone in
> a mains (240V) PSU 
> >>and
> >>have blown the fuses but am still unsure about the
> certainty of a
> >>    
> >>
> >clean
> >  
> >
> >>kill.
> >>
> >>Once I've got this idea working, I want to
> motorise it so that the
> >>defunct rodent can be cleared from the plates and
> the trap be readied
> >>for another "client".
> >>
> >>Cheers
> >>
> >>M
> >>
> >>-- 
> >>Matthew Smith
> >>IT Consultancy & Web Application Development
> >>http://www.kbc.net.au
> >>
> >>
> >>
> >>    
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >  
> >
> 
> 
> 
> 
> 


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