Graupner HPD High-Performance Motors. The new Graupner HPD external rotor motor series is ideal for use with both glider models and motorised models. Furthermore, the drive is also included in the large Graupner/SJ "up and go II" folding motors.
Features:
New Graupner HPD motor series
High-precision production quality
Effective integrated cooling system
Finely ribbed surface for optimum heat dissipation
Delivery includes set of accessories
Operating instructions in German, English, and French
Technical data:
Connecting plug: G 3,5
Operating voltage range: 14,8...29,6 V
Overall length, approx.: 84 mm
No-load speed: 8103 U/min
All-up weight, approx.: 436 g
Maximum efficiency: 86 %
Free shaft length: 20 mm
Recommended controller: 70 A
Output: 1250 W
Number of poles: 14
Permissible motor direction: R und L
Nominal voltage: 22,2 V
Case length: 60 mm
Recommended propeller: Graupner E-PROP Best.-Nr. 1326.17x10
Shaft diameter: 6 mm
Max. charging rate: 65 A
Case diameter: 51 mm
Revolutions/Volt: 365