The Siemens-Schuckert GU 365/30 was a German electric motor used as the powerplant for the WW2 U-boot Type XXI submarine. It was designed and developed by Siemens-Schuckertwerke and built between 1944 and 1945. It was used both as torque power for propulsion and as a generator to charge the batteries. Thus, it was a double-acting motor-generator machine.
The Siemens-Schuckert GU 365/30 was used when sailing underwater. Since it was very silent, with a minimum noise level, the Allied destroyers could not detect it. The electric voltage output when it worked as a generator was 730 KW, but when it was used as a motor, the output was 1,840 KW. After WW2, it would be used by the German industry for power generation.
Specifications
Type: submarine electric motor
Weight: 10,330 kg
Revolution: 1,230 rpm (as generator); only 122 rpm (as propulsion for the twopropellers)
Output: 1,840 Kw.
Noise Level: 72 dB.
Below, the SS GU 365/30 electric motor exposed after the casing was opened for maintenance.
The control panels of the two electric motors.
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