HYDROSPEED 500 RACE Graupner 1160 Drive set, comprised of: E-Motor SPEED 500 RACE 7.2 V No. 1789 UNIVERSAL gearbox 2.5:1 No. 1114.25 Shaft with stern tube No. 3380
Bearing block No. 2997.6 Joint coupling No. 354.4 HYDRO drive No. 1781 Hi-performance propeller No. 2314.40 Operating voltage range 6 9.6 V
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