electro-Physics: 17.3409 voltsZ

Tue Dec 14 17:35:59 CST 2004

> There's an IBM 1401 restoration project at the Computer History Museum.
> They have a German 1401, so they need to convert the line frequency from
> 60 Hz to 50 Hz to run it.  I was surprised to learn that rotary
> converters (i.e., motor-generators) have much higher MTBF that static
> inverters (all-electronic).

A decent MG set, under proper maintenance (which isn't much) will easily
outlive the guys that installed it.

William Donzelli
aw288 at osfn.org