Product overview
The Scorpion A-7430-185kv (V2) is an electric propulsion motor for freestyle and UAV airplanes requiring a 70cc-85cc gas-engine equivalent. Its assembly has a 74.0 mm diameter, 30 mm thick stator with 24 arms and 28 magnet poles. Construction combines 0.2mm silicon steel stator sheets with single-strand enamel-coated copper windings rated above 250C+. Continuous power is 5328 Watts; the 7500 Watts peak rating applies to intermittent full throttle for 5–60 seconds, depending on use case and cooling.
Installation space must accommodate the 86.80mm x 70.4mm motor body and +20.0mm prop spacer allowance, with a 10mm external shaft. Weight is 1255.0g for the motor alone or 1351g including prop mount accessories. The capacitor board, cross mount and standoff set are optional accessories. For 12s operation, recommended propellers are 25x12E or 26x12E; the recommended controller is the Tribunus II+ 14-200A ESC SBEC. Baffles must direct cooling air to the ESC. Excessively long battery cables can damage the ESC and void the warranty.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Scorpion A-7430-185kv (V2) |
| Intended application | Airplane propulsion motor for 70cc-85cc gas-engine-equivalent applications or other airframes requiring up to 7500w of power. |
| Stator and winding construction | 0.2mm silicon steel stator sheets and single-strand enamel-coated copper wire windings rated above 250C+. |
| Motor Kv | 185 RPM / Volt |
| Motor weight | 1255.0g ( 44.2 oz)Motor only. |
| Weight with prop mount accessories | 1351g (47.65 oz)Including prop mount accessories. |
| Motor body dimensions | 86.80mm x 70.4mm (+20.0mm Prop Spacer) (3.42" x 2.77" (+0.79" prop spacer))With the stated prop spacer allowance. |
| External shaft diameter | 10mm |
| Continuous current | 120AContinuous operation. |
| Continuous power | 5328 WattsContinuous operation. |
| Peak current | 169A |
| Peak power | 7500 WattsIntermittent full throttle for 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 | 30 mm (1.18 in) |
| Number of stator arms | 24 |
| Magnet poles | 28 |
| Motor wind | 6T 4Y |
| Motor wire | 1.2mm dia |
| No-load current | 2.54ANo-load measurement at 20V. |
| Recommended ESC | Tribunus II+ 14-200A ESC SBEC |
| 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 for installations with long battery cables.Aircraft installation with long battery cables. |
| Acrobatic weight range | 10kg - 22.72kg (22.0lbs - 50lbs)Acrobatic aircraft application. |
| Sport / UAV weight range | 16.14kg - 48.43kg (35.52lbs -106.56lbs)Single-engine sport or UAV aircraft application. |
| Recommended propellers | 25x12E / 26x12E; described as 85cc performance.12s battery configuration. |
| ESC cooling requirement | Baffles must carry airflow directly to the ESC; a hole in the cowl alone is insufficient.ESC installation in the aircraft. |
| Packaged weight | 1750gIncluding packaging. |
| Optional integration accessories | Scorpion 80V 1880uF Capacitor / PDB Board (with mounts); Scorpion A-74 Cross Mount (50cc-76cc); Scorpion A-Series Compact Standoff Set (60cc-76cc).Optional accessories. |
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