Re: PDT (Pig) failure modes

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Crow Leader by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

Aging, or poor maintenance and possibly abuse in a previous use? It probably
never hopped of a utility pole and asked to be sold because the utility
company was bored and wanted to change out parts to pass time.



KEN
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, September 20, 2002 12:00 PM
Subject: Re: PDT (Pig) failure modes


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Tesla729-at-cs-dot-com>
>
> Ken, all,
>
> I realize ANYTHING manmade will eventually wear out and ultimately
> fail, but it seems to me that Dave's pig failed LONG before it should
> have, due to aging! Pigs (PDTs-if you're politically correct:-) are de-
> signed for the most rigorous electrical and environmental operation
> and are designed to operate in these harsh environments for 20 to
> 30 years without a hitch. Occasionally there will be a "lemon", but
> the vast majority of them are like a Timex watch - they'll take a lick-
> in' and keep on tickin'. Like Terry says, our "coiling" doesn't really
> even come close to challenging the BIL voltage design envelope of
> these beast :-) They're designed to withstand direct lightning hits
> (with the help of  lightning surge arresters) on their primary line
> inputs and the kickbacks of Tesla coiling are quite puny in energy
> compared to to lightning bolt-to-line hits ;-) BTW, lightning surge
> arresters make good substitutes for safety gaps.
>
> Coiling in Memphis,
> David Rieben
>
>
>