COMPACT HPD 2920-4000 brushless Motor Graupner 7771
Graupner HPD 2920-4000 High-end brushless motor
Particularly suitable for: MiniMono, MiniHydro, MiniCats, MiniHydroplanes, aircraft with wingspan up to 1 m, off-road and on-road 1:12
Features- Special CNC-machined housing for maximum heat dissipation
- High-efficiency 4-pole 12-slot brushless motor
- High-performance rotor with Kevlar reinforcement
- High-purity copper coils for optimised conductivity
- Extremely strong sintered neodymium magnets
- Intense torque at low weight
Specification Operating voltage range : 4,2...16,8 V
No-load speed: 29600 U/min
All-up weight, approx. : 90 g
LiPo battery, Order No. : Navy Lipo2/2100 Best.-Nr.: 7612.2
Free shaft length: 10 mm
Recommended controller: Navy V75 Best.-Nr.: 7257
Output : 650 W
Number of poles: 4
Permissible motor direction : R und L
Nominal voltage: 7,4 V
Case length: 30 mm
Shaft diameter: 4 mm
Case diameter: 29 mm
Revolutions/Volt: 4000
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