On 2015-07-29, at 05:57, R.S. wrote: > I don't know power consuption, but nowadays it's not hard to get > semiconductor-based power supply which generater 60Hz or 50Hz or any value > you want (within some range). > I suppose a 1403 requires a couple kW. That shouldn't be an obstacle:
https://en.wikipedia.org/wiki/High-voltage_direct_current CDC equipment circa 1970 used 400 Hz with rotating mechanical converters. Provided considerable immunity to power surges. Flywheels? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN