M.O.T. inductance measurements

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

Original poster: "J. B. Weazle McCreath by way of Terry Fritz <twftesla-at-qwest-dot-net>" <weazle-at-hurontel.on.ca>


Hello Coilers,

I just wanted to add some more data to the information pool
about using M.O.T.'s as charging chokes.  I've taken several
measurements on a transformer removed from a fairly sizable
oven with the following results:

Stock transformer with primary open -    17.6 Henry
Stock transformer with primary shorted -  5.2 Henry
Gapped transformer (.010") secondary -    8.5 Henry

The gapped transformer had the shunts and both primary and the
filament windings removed.

73, Weazle, VE3EAR/VE3WZL

Listening: 147.030+ and 442.075+
E-mail:    weazle-at-hurontel.on.ca
           or ve3ear-at-rac.ca
Web site:  http://www.hurontel.on.ca/~weazle