Product overview
The Scorpion HK5-4026-385kv (6x32mm shaft) is a BLDC motor intended for low-power 600–700 class helicopters, including F3C applications using 12s LiPo. Its physical architecture combines a 40 mm diameter, 26 mm thick stator with 12 stator arms, 10 stator poles and an 8T + 9T Delta winding. An internal fan works with an external centrifugal fan for cooling. The supplied configuration comprises the motor, three female 4mm connectors, three heat-shrink pieces and a hardware/accessory pack.
Installation space must accommodate a motor body measuring 49.5mm x 57.30mm (1.95" x 2.25"). Although the model designation includes a 6x32mm shaft, the external shaft dimensions are specified as 5.98mm x 36mm (0.235" x 1.42"). Continuous ratings are 50 Amps and 2775 Watts; peak ratings of 70A and 4050 Watts apply for two seconds. The LiPo cell specification is 12s - 16s, with higher cell counts requiring an appropriate gear-ratio adjustment. Weight including packaging is 400g.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Scorpion HK5-4026-385kv (6x32mm shaft) |
| Intended application | Low-power 600–700 class helicopters, including F3C applications.On 12s Lipo. |
| Cooling architecture | Internal fan combined with an external centrifugal fan. |
| Motor Kv | 385KV 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 | 50 Amps |
| Continuous Power | 2775 Watts |
| Peak Current | 70A (2 seconds)For 2 seconds. |
| Peak Power | 4050 Watts (2 seconds)For 2 seconds. |
| Max Lipo Cell | 12s - 16sHigher cell count possible with 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 Wind | 8T + 9T Delta |
| Motor Wire | 1.08mm |
| Higher cell count operation | Higher cell count is possible with appropriate gear ratio adjustment.With appropriate gear ratio adjustment. |
| Supplied configuration | 1 x HK5-4026 BLDC Motor; 3 x Female 4mm Connectors; 3 x Heat Shrink; 1 x Hardware / Accessory Pack.Included in the box. |
| Packaged weight | 400gIncluding packaging. |
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