Product overview
The Scorpion HK5-4020-850kv is a brushless motor intended primarily for the SAB RAW 500 helicopter, developed around guidelines supplied directly by SAB Factory. Its cooling arrangement combines an internal fan with an external centrifugal fan. The motor body measures 49.5mm x 52.00mm, with an external shaft measuring 5.98mm x 32mm, providing the principal dimensions for mechanical integration. Motor weight is 325.6g (11.48oz). Internally, it has a 40 mm diameter, 20 mm thick stator, 12 stator arms and 10 stator poles.
The supplied package contains one HK5-4020 BLDC motor, three female 4mm connectors, three heat-shrink pieces and one hardware/accessory pack. Electrical specifications include 850KV RPM/Volt, a 5+5 Turn Delta winding and 1.4mm motor wire. Continuous ratings are 85 Amps and 1900 Watts; peak ratings of 120A and 2664 Watts apply for 2 seconds. The listed maximum LiPo cell count is 6s, with higher cell counts possible through appropriate gear ratio adjustment. Weight including packaging is 400g.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Scorpion HK5-4020-850kv |
| Primary application | Designed primarily for the SAB RAW 500 helicopter, following guidelines supplied directly by SAB Factory. |
| Cooling architecture | Internal fan combined with an external centrifugal fan. |
| Motor Kv | 850KV RPM/Volt |
| Weight | 325.6g Grams (11.48oz) |
| Motor body dimensions | 49.5mm x 52.00mm (1.95" x 2.05") |
| External shaft dimensions | 5.98mm x 32mm (0.235" x 1.26") |
| Continuous current | 85 Amps |
| Continuous power | 1900 Watts |
| Peak current | 120A (2 seconds)2 seconds. |
| Peak power | 2664 Watts (2 seconds)2 seconds. |
| Maximum LiPo cell count | 6sHigher 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 | 20 mm (0.79 in) |
| Number of stator arms | 12 |
| Number of stator poles | 10 |
| Motor winding | 5+5 Turn Delta |
| Motor wire | 1.4mm |
| Supplied configuration | 1 x HK5-4020 BLDC motor; 3 x female 4mm connectors; 3 x heat shrink; 1 x hardware/accessory pack.Included equipment. |
| Packaged weight | 400gIncluding packaging. |
Request a quote for Scorpion HK5-4020-850kv
Send your application, destination country and expected quantity to the ChinaDrone team. We can discuss product selection, configuration and sourcing from China.
Submit your procurement requirements ↗No account needed. A model number is optional. Your enquiry is handled by ChinaDrone.
