SR-65S Electric Motor (273-0255) Specifications Faxback Doc. # 31770 Type:........................................Heavy duty Series/Carbon brush Mounting Screws:.....................................................2.5 mm Diameter:.............................................27.7 mm or 1.091 inch Shaft Diameter:.......................................2.3 mm or 0.0905 inch Motor Extension:......................................10.0 mm or 0.394 inch Length of shaft (case to end):......................................15.7 mm Shaft to base:......................................................51.0 mm Weight (approx.):...................................................49.0 gm At 12 Volts: Current drain at no load:............................................300 mA Speed, no load:..................................................15,200 RPM Speed at maximum efficiency:.....................................11,500 RPM Current:..............................................................1.3 A Stall torque:......................................................230 G-cm At 18 Volts: No load speed:...................................................22,100 RPM Current:.............................................................0.38 A Speed at maximum efficiency:.....................................16,800 RPM Current:..............................................................1.8 A Stll torque:.......................................................330 G-cm Specifications are typical; individual units might vary. Specifications are subject to change without notice. (IR-04/05/96)