Antriebsset MULTISPEED 500 DU Graupner 1979 Suitable for installation into submarine SHARK. Drive set consisting of: electric motor SPEED 500 7.2 V No. 1799, 2:1 reduction gear, 2 stern tubes with propeller shafts, 2 bearing blocks with grease nipple No. 2997.6, two racing marine propellers. Operating voltage range 6 8.4 V.
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