Product overview
The Scorpion HK5-5530-355kv 8x40 shaft is a helicopter propulsion motor from the fifth generation of Scorpion’s HK series. It is intended primarily for 12s–14s operation in 850mm–950mm+ helicopter applications. Its physical architecture combines a 55 mm diameter stator, 30 mm stator thickness, 12 stator arms and 10 poles, with a 6T 2Y winding and 1.68mm motor wire. Cooling uses an internal fan together with an external centrifugal fan to move air through the motor.
The motor weighs 847.0g (29.87oz), with a packaged weight of 866g. Its external shaft measures 7.98mm × 40mm (0.314 × 1.57 inches), while the body dimensions include an imperial pair of 2.67 × 2.68 inches. Electrical ratings are 355KV RPM/Volt, 6200 Watts continuous power and 120 Amps continuous current under an industrial rating. The alternative hobby rating is around 170A continuous. Peak ratings are 220A and 11500w Watts, each specified for two seconds.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Scorpion HK5-5530-355kv 8x40 shaft |
| Intended application | 850mm - 950mm+ helicopter applicationPrimarily for 12s -14s operation. |
| Cooling architecture | Internal fan combined with an external centrifugal fan |
| Motor Kv | 355KV RPM/Volt |
| Weight | 847.0g Grams (29.87oz) |
| Motor Body Dimensions | 67.9mm x 68.0m (2.67" x 2.68 ") |
| External Shaft Dimensions | 7.98mm x 40mm (0.314" x 1.57") |
| Continuous Current | 120 Amps*Industrial rating. |
| Continuous Power | 6200 Watts |
| Peak Current | 220A (2 seconds)2 seconds. |
| Peak Power | 11500w Watts (2 seconds)2 seconds. |
| Max Lipo Cell | 12s - 14s |
| Stator Diameter | 55 mm ( 2.16 in) |
| Stator Thickness | 30 mm ( 1.18 in) |
| No. of Stator Arms | 12 |
| No. of Stator Poles | 10 |
| Motor Wind | 6T 2Y |
| Motor Wire | 1.68mm |
| Alternative continuous current rating | Around 170A continuous currentIf given a hobby rating like other HK5 motors. |
| Packaged weight | 866gIncluding packaging. |
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