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Graupner COMPACT 320 H   11,1 V   for 7,2 - 12 V Ref. N°. 7717
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Product information
GRAUPNER COMPACT BRUSHLESS motors.
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.
Specification
Nominal voltage 11,1 V
Operating voltage range 7,2 ....12 V
No-load speed 40.000
Revs. / Volt 3750
No. of winds 4
Current drain at max. efficiency* 8 ... 10 A
Maximum efficiency 80%
Permissible direction of rotation R and L
No. of poles 10
Overall length approx. 50,5 mm
Case length, excl. shaft 34 mm
Diameter approx. 29,2 mm
Free shaft length approx. 13 mm
Shaft diameter 2,3 mm
Weight approx. 76 g
Recommended speed controller Compact Control 50 2885 
* 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.
 

Motor for MICRO STAR 400

 

 

 

 

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