Hydro Flex Drive Graupner 1974 Flexible shaft system for model racing boats. Suitable for the SILVER BULLET racing boat and all similar models. The pliable nature of the aluminium tube makes it possible to adjust the system to suit the requirements of your particular model boat. If necessary the aluminium and Teflon tubes and the flex-shaft can also be shortened. Flex-shaft, approx. 220 mm x 3.2 mm, Teflon tube 160 mm x 5/4 mm Ø, Aluminium tube 160 mm x 6/5 mm Ø, shaft with heavy-duty plastic plain bushes (these can be replaced if required by ballraces, e.g. Order No. 388.4), coupling housing for SPEED 500 to 650 electric motors (also EVO one SENSORLESS motors), shaft coupling for 3.2 mm Ø shafts.
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3-60 Weeks