Rotary Transformer Dynamotors
Dynamotor Power Supply
Input: 115v / 230 vac, 50/60 Hz or 26 vdc
Output: 550 vdc
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(PS) DY94/GRC-10
A dynamotor power supply that is built like a tank. We have a supply of NEW, NEVER USED units! Power up your own homebrew mobile radio or your vintage GRC-10 transmitter / receiver set. Includes full documentation and schematics. Made by Motorola.
  • Input: 115v / 230 vac, 50/60 Hz or 26 vdc
  • Output: 550.0 vdc @130.0 mA, 250.0 vdc @100.0 mA, 200.0 vdc @ 100.0 mA, 26.4 vdc @ 1.66 A, 26.4 vdc @ 1.33 A, -25.0 vdc @ 10.0 mA, -2.0 vdc @ 20.0 mA and 115.0 vac
  • Internal blower
  • Weight: 57 lbs
$195 each
Hand Crank Generator
Input: Muscle, 60 rpm
Output: 162vdc @ 60ma & 3.1v @ 300ma
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(EQP) MARKII
Hand crank 10 watt generators sitting in storage since 1945! Brand new. Input is 50-70 rpm (60 rpm nominal). We do not have the handles (or the tripods) but they would be easy to make out of 3/8" square stock.
  • Input: 60 rpm
  • Output: 162 vdc @ 60 ma & 3.1v @ 300 ma
  • Dimensions: 6" x 6" x 5"H
$75 each
Delco / RCA Rotary Transformer
Input: 12 vdc - 24 vdc
Output: 265 vdc @ 120ma & 540 vdc @ 26ma
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(MOT) 101985
Delco / RCA rotary transformer converts 12 vdc @ 9 amps or 24 vdc @ 4.5 amps to 265 vdc @ 120ma and 540 vdc@ 26ma. New in the box US Military surplus from 1950's. Limited quantity. NOTE: One of the things that the Dynamotor units are for is the "Canadian Wireless Set # 19 Transceiver MK III, Power Supply No. 2" which was manufactured by RCA Canada, Northern Electric and Canadian Marconi.
  • Input: 12 vdc - 24 vdc
  • Output: 265 vdc @ 120 ma & 540 vdc @ 26 ma
  • Dimensions: 9"L x 4-1/2"D x 4-3/4"H,
    including base
  • Base Dimensions: 4-1/2"W x 5-1/4"L
  • Weight: 11 lbs
$109 each - $95 (3+)
Westinghouse
50 Hertz / 5 KW Generator
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(EQP) GEN50HZ
Westinghouse 50 Cycles (Hertz, Hz) 3 phase 220 / 440 vac power in 20 amp / 10 amp 7.5 HP Westinghouse motor driven generator. 115 vac 43 amp, 60 Hz motor input. 52" wide x 53" high (on wood stand) x 36" deep. Removed from SRS in working order. They tested all 50 Hz equipment for operation as part of QC operation. Control panel included but meter was broken in moving.
$499 each