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[DPRG] Shocking

Subject: [DPRG] Shocking
From: Jeff Koenig koenig.jeff at gmail.com
Date: Thu May 11 09:49:20 CDT 2006

On 5/11/06, Kipton Moravec (SPEC Manufacturing)
<kip.moravec at specmanufacturing.com> wrote:
> The simplest way is to alternate the current across a transformer, and have
> a few windings on the primary side, and a lot of windings on the secondary
> shock side. (Step up transformer.)
>
> Kip
>   -----Original Message-----
>   From: dprglist-bounces at dprg.org [mailto:dprglist-bounces at dprg.org]On
> Behalf Of Pay_the_Piper
>   Sent: Wednesday, May 10, 2006 7:40 PM
>   To: Dennis Draheim; kip at kdream.com
>   Cc: hutchison_effect at yahoogroups.com; dprglist
>   Subject: Re: [DPRG] Shocking
>
>
>   How do tasers jump from 6 or 9 volts to 100,000+?
>
>   PtP
>     ----- Original Message -----
>     From: Dennis Draheim
>     To: kip at kdream.com
>     Cc: dprglist
>     Sent: Wednesday, May 10, 2006 5:26 PM
>     Subject: Re: [DPRG] Shocking
>
>
>     I would respectfully say that they don't know what they're talking
> about.  It's not the voltage, it's the amperage that must be limited to
> prevent injury.
>
>     I have owned a shock collar for a dog.  When it activates, a spark will
> arc at least a quarter inch from its terminals.  There is no way that a 2-6v
> charge could ionize the air to create such a spark.  While I haven't
> measured it, I would guess that the voltage is at least 500-1000v.
>
>     I also have played with fencing transformers (I grew up on a farm -- I
> used one as the primary stage of a Tesla coil once).  Their output voltage
> is in the 1000-4000v range.  I believe their frequency is the same as that
> of the power line, that is, 60Hz.
>
>     Tesla coils avoid injury by having a very high frequency and very low
> current.  If you take the frequency up into the radio range (~50Khz or
> better), then the current travels over the surface of the skin instead of
> penetrating it.  I had a Tesla coil that generated 80000+ volts, and I could
> hold a wrench in my hand and let the Tesla coil hit it with an 8" spark
> without sustaining injury.  (Without the wrench, I would end up with a burn
> where the spark touched my skin, more from the heat of the ionized air than
> the current.)
>
>     Dennis
>
>
>     On 5/10/06, Kipton Moravec <kip at kdream.com> wrote:
>       I have a project where I have to incorporate a shocking system into a
>       dog collar for training. (Long story)
>
>       I have been doing some reading and one person says that the voltage
>       should be between 2V and 6V! And that 6V is too high for a horse!
>
>       I know I do not get a shock from a 9V battery (except when I put my
>       tongue on it) or even a 12V car battery, and I have not gotten one
>       working with 24V either.
>
>       I have gotten one from the ringer of a telephone which I believe is
> 48V.
>       And of course good old 120VAC.
>
>       I was looking at shocking system (like electric fence) and they say
>       1000V or 2000V or even 20,000V All are pulsing at 3 to 30 times per
>       second.
>
>       Can someone explain why someone would say 2-6V is what is needed?
>
>       Kip
>       --
>       Kipton Moravec <kip at kdream.com>
>
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>
>
>
>     --
>     Dennis
>
>
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