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Graupner COMPACT 180   7,2 V   for 7,2 - 11,1 V Ref. N°. 7703
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Product information
A range of high-performance BRUSHLESS motors. The impressive feature of this series of power plants is their enormously high torque, and it is in direct-drive applications that they show their full power potential. GRAUPNER COMPACT motors are brushless external-rotor (out-runner) types, i.e. the outer motor jacket rotates and drives the motor shaft. This design principle results in ultra-compact electric motors capable of an outstanding performance without recourse to a gearbox. An additional advantage: the weight of GRAUPNER COMPACT motors is very low compared to that of conventional motors.
Nominal voltage 7.2 V
Operating voltage range 7.2 ... 11.1 V
No-load speed 10,800
Revs. / Volt 1500
No. of winds 20
Current drain at max. efficiency* 6 ... 10 A
Maximum efficiency 76%
Permissible direction R and L
No. of poles 10
Overall length approx. 40 mm
Case length, excl. shaft 24 mm
Diameter approx. 29 mm
Free shaft length approx. 13 mm
Shaft diameter 3.17 mm
Weight approx. 37 g
Recommended propellers 2945.18.10 7.2 ... 8.4 V or 2947.18.9 9.6 ... 11.1 V
Propeller adaptor 6053.31
Flexi-hub 7690.1
Motor mount*** 1742
All-up model weight approx. 220 g
Recommended speedcontroller Compact Control 18 7184 or Genius 30 2895
* Referred to operating voltage range. These values reflect the current state of technology, and may vary in the course of continued development.
Differences may occur according to the speed controller used.
** with press-fitted pinion.
*** especially for power models.

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