MULTISPEED 400 6 V Antriebsse Graupner 1970 Power set (kit-form) consisting of: SPEED 400 6 V electric motor, Order No. 3321, Coupling housing, Order No. 2333, Shaft and stern tube, Order No. 416, Bracket and lubricating nipple, Order No. 2997.4, Articulated coupling, Order No. 355.3, 26 mm Ø carbon hydro-propeller, Order No. 2318.26. Operating voltage range:
6 ... 8.4 V with surface-piercing propeller
6 ... 7.2 V with submerged propeller