SPEED GEAR 480 3,45:1 7,2 V Graupner 6501 Small, high-performance geared power system for models such as the CUMULUS 97. For use with 8 NC cell up to about 0.8 Ah and the 25 x 20 cm size CAM GEAR PROP propeller. The shafts run in twin ballraces or in twin needle roller bearings.
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