SPEED 500 SP 8,4 V Graupner 6308 SPEED 500 motor with very good efficiency. An excellent choice for direct-drive power systems in small RC models with 6 or 7 cells. Propeller size approx. 18 x 10 cm. Nominal voltage 8,4 V
Operating voltage range 6 ... 9,6 V
No-load speed 17000 min -1
No-load current drain 1 A
Current drain at max. efficiency 7 A
Stall current 44 A
Max. efficiency excl. gearbox 78 %
Permissible rot. direction R and L
Case lenght, excl. shaft 50 mm
Diameter 35,7 mm
Free shaft length 10,5 mm
Shaft diameter 3,17 mm
Weight 160 g
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