Product overview
The Scorpion HK5-4026-655kv (6x32mm shaft) is a BLDC motor intended for low-power 600–700 class helicopters using 8s Lipo batteries, with other applications extending to a stated 4050w peak output. Its physical architecture combines a 40 mm diameter, 26 mm thick stator with 12 stator arms, 10 stator poles and a 5T Delta winding using 1.40mm wire. An internal fan works alongside an external centrifugal fan to provide motor cooling.
Installation space must accommodate a 49.5mm x 57.30mm motor body and the specified 5.98mm x 36mm external shaft. Continuous ratings are 85 Amps and 2775 Watts; the 115A and 4050 Watts peak ratings each apply for two seconds. The stated maximum battery configuration is 8s, with higher cell counts conditional on appropriate gear ratio adjustment. The supplied motor package includes three female 4mm connectors, three heat-shrink pieces and one hardware/accessory pack, with a packaged weight of 400g.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Scorpion HK5-4026-655kv (6x32mm shaft) |
| Intended application | Low-power 600–700 class helicopters on 8s Lipo, or other applications requiring up to 4050w.Low-power 600–700 class helicopter on 8s Lipo. |
| Cooling architecture | Internal fan combined with an external centrifugal fan. |
| Motor Kv | 655KV RPM/Volt |
| Weight | 367.7.0 Grams ( 12.97oz) |
| Motor body dimensions | 49.5mm x 57.30mm (1.95" x 2.25") |
| External shaft dimensions | 5.98mm x 36mm (0.235" x 1.42") |
| Continuous current | 85 AmpsContinuous operation. |
| Continuous power | 2775 WattsContinuous operation. |
| Peak current | 115A (2 seconds)2 seconds. |
| Peak power | 4050 Watts (2 seconds)2 seconds. |
| Maximum Lipo cell count | 8sHigher cell count possible with appropriate gear ratio adjustment. |
| Higher cell count provision | Higher cell count is possible with appropriate gear ratio adjustment.Appropriate gear ratio adjustment. |
| Stator diameter | 40 mm (1.57 in) |
| Stator thickness | 26 mm (1.02 in) |
| Number of stator arms | 12 |
| Number of stator poles | 10 |
| Motor winding | 5T Delta |
| Motor wire | 1.40mm |
| Supplied configuration | 1 x HK5-4026 BLDC Motor; 3 x Female 4mm Connectors; 3 x Heat Shrink; 1 x Hardware / Accessory Pack.Included equipment. |
| Packaged weight | 400gIncluding packaging. |
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