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Graupner COMPACT HPD 4325-1425 brushless motor, 233g, 1110W, 1425Kv
GR7792
New product
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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 particularly well
suited to model helicopters.
- 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 information
Connecting plug : G3,5
Number of poles: 6
Sort: Brushless
Operating voltage range [V]: 7,4 - 22,2
Recommended propeller: Graupner E-PROP No. 1326.9x5 (9x5")
Recommended controller: 70A
Free shaft length [mm]: 20
Case diameter: 43
Case length: 46,5
Weight [g]: 233
Maximum efficiency: 86
Overall length, approx. [mm] : 68
No-load speed [rpm]: 26362
Output [W]: 1000
Magnet : Neodym
Max. output at nominal voltage [W]: 1110
Nominal voltage [V]: 18,5
Max. charging rate [A]: 60
Revolutions / Volt [kV]: 1425
Shaft diameter [mm]: 5
Permissible motor direction : CW / CCW
Manufacturer measurements:
| Propeller | LiPo | Amperage (A) | Power (W) | Voltage (V) | RPM |
| 9x5" | 3S | 40 | 504 | 12.6 | 13900 |
| 10x5" | 3S | 59 | 743 | 12.6 | 12300 |
Download here the user manual for this motor.
