TII G7e Eto

Gerate-Nr:	20
Diameter:	534,6mm
Weight:		1538Kg
Lenght:		7163mm
Charge:		Ka, 280Kg (Hexanite)
Pistol:		Pi1 G7 AZ
Arming:		250m
Range/Speed:	5000m/30Kn at 1700U/min, preheated at 30'C
		3000m/28Kn not preheated.
Power:		Siemens GL231/75 E-Motor, 100hp, 2x 13T210 batteries
		91V/950A	72KW at 1755U/min (preheated at 30'C)
		83V/885A	60KW at 1590U/min (not preheated)

This unit used a 100hp Siemens GL231/75 electric motor, that drive two contra-rotating propellers. The above range and speed of 5000m/30Kn could be reached only if the batteries were preheated to 30'C. These torpedoes had to be serviced every 3 to 5 days, in order to maintain their reliability.
Not preheated ranges are of 3000m/28Kn. 