HYDROSPEED FLEX 700Turbo 9,6V Graupner 1159 The drive consists of: Electric motor SPEED 700 TURBO 9.6 V No. 3308, coupling bush No. 3374, flexible shaft No. 1159.1, stern tube holder with fixing foot, stern tube, cone and nut SW 9 No. 1159.2, bearing block No. 2997.6, HYDRO II drive No. 1782, hi-performance marine propeller No. 2314.40. Operating voltage range: 8.4 - 12 V, short time (3 min) operation up to 14.4 V. Suitable for installation in off-shore racers, such as ARROW, KEY BISCAYNE and comparable models.