Re: Twin Mots

```Original poster: "Steve White by way of Terry Fritz <twftesla-at-qwest-dot-net>" <slwhite-at-zeus.ia-dot-net>

A prized microwave oven to look for on the scrap heap is any of the old
Amana Radarange ovens from the 1970s. These things are huge and have a
massive 4000 volt  MOT inside with huge diodes. I have the MOTs from 3 of
these.

Steve: Coiling in Iowa

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, May 24, 2002 7:13 AM
Subject: Twin Mots

> Original poster: "Loudner, Godfrey by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <gloudner-at-SINTE.EDU>
>
> After collecting about 80 mots, I finally found two which are identical.
> They have model number KM 450W and are from White-Westinghouse. The
vintage
> is 1977 and the oven is rated 115V and 14.5A. Rated at 2,800V, the
secondary
> coil is encased in green plastic. The 0.9uF cap is twice as big as normal
> and the diode is 3/4" wide, 5/16" thick, 4.5" long. Not that a twin mot
PSU
> must have identical mots, I just wanted to report what a hassle it was to
> find two mots with the same model number.
>
> By the way, I'm still working intermittently on a useful formula for the
> self capacitance of an isolated toroid that does not breakdown over a wide
> range of toroid sizes. It has become quite a mathematical project. I am
> struggling to strengthen certain inequalities which would allow me to
> complete the task. The capacitance of a toroid drops when placed on a
tesla
> coil, but I still enjoy the challenge of the isolated toroid.
>
> Godfrey Loudner
>
>
>
>

```