Product overview
The Scorpion A-7441-180kv (V2) is an aircraft propulsion motor for installations requiring a 100cc–126cc gas-engine equivalent. Its application ranges are 11.80kg–27.21kg for acrobatic aircraft and 18.67kg–56.80 kg for single-engine sport aircraft or UAVs. The motor body measures 86.80mm x 81.90mm and has a 10mm external shaft. Its internal architecture combines a 74.0 mm diameter, 41.6 mm thick stator with 24 stator arms and 28 magnet poles. The weight with prop mount accessories is 1711g (60.35 oz).
Electrical ratings are 180 RPM / Volt, 141A continuous current and 6260 Watts continuous power. Peak power is 9300 Watts for intermittent full-throttle use lasting 5–60 seconds, depending on use case and cooling; peak current is 210A. The rated battery configuration is 12s LiPo, with higher cell counts possible using smaller propellers. Recommended equipment is 28x12 C2E or 28x13 C2E propellers and a Tribunus III 14-220A ESC SBEC. Installation requires baffled airflow directly to the ESC. Excessively long battery cables will damage the ESC and void the warranty; a Scorpion 1880uF Capacitor / PDB Board is recommended.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Scorpion A-7441-180kv (V2) |
| Intended application | Aircraft propulsion motor for airplanes requiring a 100cc - 126cc equivalent gas engine. |
| Motor Kv | 180 RPM / Volt |
| Motor weight | 1599 (56.40 oz)Motor only. |
| Weight with prop mount accessories | 1711g (60.35 oz)Including prop mount accessories. |
| Motor body dimensions | 86.80mm x 81.90mm (3.42" x 3.22") |
| External shaft diameter | 10mm |
| Continuous current | 141AContinuous operation. |
| Continuous power | 6260 WattsContinuous operation. |
| Peak current | 210A |
| Peak power | 9300 WattsIntermittent full throttle usage ranging from 5 - 60 seconds depending on use case and cooling. |
| Maximum rated LiPo cell count | 12sHigher cell count possible with smaller prop usage. |
| Stator diameter | 74.0 mm (2.91 in) |
| Stator thickness | 41.6 mm (1.64 in) |
| Number of stator arms | 24 |
| Magnet poles | 28 |
| Motor winding | 5T/4T 4Y |
| Motor wire | 1.40 mm |
| No-load current | 3.49 AmpsAt 15V. |
| Recommended ESC | Tribunus III 14-220A ESC SBEC |
| Recommended propellers | 28x12 C2E / 28x13 C2E |
| Battery cable limitation and capacitor recommendation | Excessively long battery cables will damage the ESC and void the warranty; the Scorpion 1880uF Capacitor / PDB Board is recommended.Large-airframe installations with extended battery wires. |
| ESC cooling requirement | Baffles must carry airflow directly to the ESC; a hole in the cowl alone is insufficient.ESC installation in large airframes. |
| Acrobatic weight range | 11.80kg - 27.21kg (26.0lbs - 60.0lbs)Acrobatic aircraft application. |
| Sport / UAV weight range | 18.67kg - 56.80 kg (41.7lbs -125.2lbs)Single-engine sport / UAV application. |
| Packaged weight | 2000gIncluding packaging. |
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