M-1175 Propulsion Set for Yachts £40.25 A powerful auxiliary motor system for powering model yachts. Features a drag-reducing folding propeller of 50mm diameter that can be cut down to 35mm if required. Because of the folding propeller, it is suitable for forward running only. Kit contents: 6v Graupner Speed 400 motor, Miniature 3:1 reduction gearbox, Shaft and stern tube, Folding propeller, Lubricating nipple with tube, Motor suppressor, Power leads and fixing screws.
M-1781 Hydro Propulsion System £14.99 Designed for hydroplanes, the Hydro Propulsion System combines thrust and steering in one fully assembled unit. Power is transmitted via a shaft anti stern tube that leads out of the boat's transom to the Hydro drive. An adjustable arm is incorporated on the steerable part of the Hydro drive to allow great manoeuvrability without loss of power at high speeds. Suitable for electric motors with power outputs of up to 200 Watts, or i/c engines up to 2cc. Length 60mm, height 90mm.
M-SL112 Thrust Pack-Small EP Boat (set) Discontinued Low cost, Shaft, Tube + Prop Assembly for quick installation in small electric powered boats
M-1984 Graupner Z-Drive Propulsion Unit Aluminium Case (upto 25cc or 1.5kW EP)  Discontinued M-1985 Graupner Z-Drive Propulsion Unit Plastic Case (for 600 Electric Motors) £72.25 Suitable for large motor boats of 1 meter length or more.  Construction features adjustable shaft inclination. Motors are not included.
M-2335 Graupner Schottel Unit £87.99 M-1775 Graupner Schottel Unit £72.75 M-1775/1 Extension Adaptor for M-1775 (spaces wet side from dry side) £41.75 The schottel unit was developed for working ships whose duties require very high manoeuvrability, such as Harbour Tugs and Ferries. The model unit adopts the same working principles. The units integral 3:1 reduction gearbox and a specially matched propeller that produce considerable propulsion, making the system suitable for use in large heavy model boats.
M-1785 Bow Thruster with Motor 7.2v £25.25 Designed for manoeuvring scale boats such as tugs, tow boats and ferries, it features a flange mounted Speed 400 motor and two extension tubes. The diameter of the extension tubes is 14mm and their length is 60mm. The overall length of the unit is 165mm (for the extension unit and centre section), and the total height, including motor, is 65mm.

	M-1160 Hydrospeed 500 Motor/Drive Unit 6-9.6v £45.99 Complete drive system that includes a 7.2v Graupner Speed 500 race motor, 2.51 reduction universal gearbox, shaft and stern tube, bearing block joint coupling, Hydrodrive and high performance marine waterscrew. Designed for installation in fast racing boats, and 6-9.6v operation. Kit contents: 7.2v graupner Speed 500 race motor (M-1789), 2.51 reduction universal gearbox (M-1114.25), Shaft and stern tube (M-3380), Bearing Block (M-2997.6), Joint coupling (M-0354.4), Hydrodrive (M-1781) & High Performance Marine waterscrew (M2314.40)
	M-1143 Hydrospeed 7022 Propulsion Pack 7.2-12v £53.50 Complete drive system that includes an 8.4v Graupner Speed 600 motor, 2:1 reduction gearbox, Hydrodrive, shaft and stern tube, bearing block, universal coupling and high performance marine waterscrew. Designed for installation in fast racing boats and 7.2-12v operation. System contents: 2 x Speed 600 motor M-3301), 2:1 reduction universal gearbox (M-1141.20), Shaft and stern (M-0913), Bearing Block (M-2997.8), Joint Coupling (M-0354.4), Hydrodrive (M-1781) & Surface Marine waterscrew (M-1224.45).
	M-1142 Hydrospeed 426 Propulsion Pack 6-9.6v £54.99 Complete drive system that includes two 7.2v Graupner Speed 600 motors, 2:1 reduction gearbox, Hydrodrive II, shaft and stern tube, universal coupling and high performance marine waterscrew. Designed for installation in fast racing boats, and 6-9.6v operation. Kit contents: 2 x Speed 600 motor (M-1793), 2:1 reduction universal gearbox (M-1141.20), Shaft and stern tube (M-0908), Universal coupling (M-0354.4), Hydro Drive II (M-1782), Marine waterscrew (M-2314.50)
	M-1161 Hydrospeed Flexcirive 700 Turbo 8.4-12v £59.99 Complete drive system that includes a 9.6v Graupner Speed 700 Turbo motor, flexible shaft drive with Teflon tube and reducing bush, complete Hydrodrive III and high performance marine waterscrew. Designed for installation in hydro and off-shore racing boats and catamarans and 8.4-12v operation. Kit contents: Hydrodrive III (M-3341), Flexible shaft drive (M-3364), 9.6v Graupner Speed 700 Turbo motor (M-1161) & High Performance Marine waterscrew (M-2314.40).

M-1972 Multispeed 601 9.6v £36.99 Electric Motor Speed 600 9.6v, Coupling, Shaft with Stern Tube, Bearing Blocks with Grease Nipple, Carbon Hydro-Propeller, Diameter 36mm.
M-1971 Multispeed 480 £43.75 Electric Motor Speed 480BB Race 7.2v, Coupling, Shaft with Stern Tube, Bearing Blocks with Grease Nipple, Carbon Hydro-Propeller, Diameter 26mm.
M-1970 Multispeed 400 6v £22.50 Electric Motor Speed 400 6v, Prop shaft with Sterntube, Bearing BIocks with Grease Nipple, Coupling, Carbon Hydro-propeller.
M-1147 Multispeed 140 Propulsion Pack 3-4v £19.25 Complete drive system that includes a Mabuchi 140RE motor, 2:1 reduction mini gearbox, prop shaft and stern tube, and 3 blade 30mm dia waterscrew. Designed for installation in small model ships and 3-4v operation. Kit contents: Mabuchi 140RE motor (M-1754), 2:1 reduction mini gearbox (M-1147.20), Shaft and stern tube 2" (M-0413) & 3 blade marine waterscrew (M-2307.30).
M-1139 Multispeed 380 Propulsion Pack 6-9.6v £26.25 Complete power pack for installation in smaller model boats. Pack includes a 7.2v Speed 400 electric motor, 2:1 reduction Multispeed mini gearbox, M4 * 170mm long shaft and stern tube and 32.5mm 2 blade marine waterscrew. Designed for 6-9.6v. Kit contents include: Multispeed 380 motor (M-1794), Multispeed mini gearbox (M-1139.20), Shaft and stern tube (M-0321) & Marine waterscrew (M-2305.32)
M-1114 Multispeed 7022 Propulsion Pack 6-12v £24.99 Complete power pack for installation in larger, fast boats. The set includes an 8.4v Speed 600 motor, 2:1 reduction Multispeed gearbox, M4 * 260mm long prop shaft and tube and 35mm 2 blade marine waterscrew. Designed for 6-12v.
M-1979 Multispeed 500 Duo 6-8.4v £44.25 Electric motor Speed 500 7.2v No. 1799, 2:1 reduction gear, 2 Stern tubes with propeller shafts, 2 Bearing blocks with grease nipple No. 2997.6, 2 Racing marine propellers, Operating voltage range 6-8.4v

	M-1157 Multispeed 700BB 9.6-14.4v £64.99 Powerful speed 700BB (9.6v-14.4v) direct drive system that includes, motor mount, flexible coupling, drive shaft (265mm), carbon prop, rudder and turn fin, interference proffing condensors and connection leads.
	M-1980 Multispeed 600 6-8.4v Discontinued Suitable for installation into fast model boats operating with submerged water screw. This propulsion unit with speed 600 (8.4v) electric motor, prop shaft with stern tube, universal coupling, bearing block with grease nipple and propeller.
	M-1981 Multispeed Hydro 1 7.2-8.4v £40.25 Electric motor speed 500 race 7.2v, prop shaft with stern tube, bearing blocks with grease nipple, coupling, carbon hydro-propeller, and rudder assembly similar to that pictured with the M-1157.
	M-1170 Hydrospeed 606 Twin Flex Drive 6-9.6v Discontinued Complete twin drive system that includes two 7.2v Graupner Speed 600 motors, 2:1 reduction Universal Gearbox II, flexible shaft drive with Teflon tube and reducing bush, Hydro Drive III and high performance marine waterscrew. Designed for installation in fast racing boats and 6-9.6v operation. Kit contents: 2 x 7.2v Graupner Speed 600 motors (M-1793), 2:1 reduction Universal Gearbox II (M-1169.20), Coupling joint (M-3382), Flexible shaft drive (M-3379), Collet (M-3383), Hydrodrive II (M-1782), High Performance Marine waterscrew (M-2314.50).

Drive Unit Dimensions

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The image(s) of products shown on any page are intended only to give you an overview of a specific model. DO NOT take this as an accurate reprsentation of items supplied (or not) with a model, e.g. (wheels, tyres, engine or motor, silencer, batteries, body mounts, or radio equipment). Please rely on the text of the page associated with a particular model for this information.