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Graupner COMPACT 260   7,2 V   for 7,2 - 11,1 V Ref. N°. 7706
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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 10,200
Revs. / Volt 1420
No. of winds 26
Current drain at max. efficiency* 5 ... 9 A
Maximum efficiency 84%
Permissible direction R and L
No. of poles 14
Overall length approx. 38 mm
Case length, excl. shaft 26 mm
Diameter approx. 27.7 mm
Free shaft length approx. 12 mm
Shaft diameter 3.17 mm
Weight approx. 45 g
Recommended propellers 2945.20.11 7.2 ... 9.6 V or 2945.18.10 9.6-12 V
Propeller adaptor 7690.3
Flexi-hub 7690.1
Motor mount*** 7690.2
All-up model weight approx. 270 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.

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