Product overview
The Scorpion A2-7418-175kv is a BLDC propulsion motor for freestyle and UAV airplanes, with an intended application equivalent to a 60cc gasoline engine on 14s LiPo or other airframes requiring up to 6000w. Its electromagnetic assembly combines a 74 mm diameter, 18 mm thick stator with 24 stator arms and 28 magnet poles. Construction uses 0.2mm silicon steel stator sheets and enamel-coated copper windings rated above 200C+. The winding specification is 10T + 11T 4Y, using 5-Strand 0.33mm wire.
Installation planning must accommodate an 86.5mm x 56.5mm motor body, an additional 20mm prop spacer and a 10mm external shaft. Weight with the mount and prop mount accessories is 987.2g (34.82 oz). The supplied package comprises the motor, cross mount, prop mount, three female 6mm bullet connectors, an accessory hardware pack and three stickers. Scorpion recommends the Tribunus III 14-150A ESC SBEC, with Scorpion 23x10 or 24x10 Carbon propellers for 14s operation and a Scorpion 25x10 Carbon propeller for 12s.
Electrical ratings distinguish 4000 Watts continuous power from 5900 Watts peak power, alongside 75A continuous and 110A peak current. Continuous current is subject to power-percentage reduction factors; peak power applies to intermittent full throttle lasting 10–180 seconds, depending on use case and cooling. Although the model designation and intended application specify 14s, the maximum rated LiPo cell specification is 12s, with higher cell counts possible when using smaller propellers. These distinct ratings and propeller conditions matter when selecting the battery and propulsion configuration.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Scorpion A2-7418-175kv (60cc / 6000w / 14s) |
| Intended application | Electric propulsion motor for airplanes requiring a 60cc-equivalent engine on 14s LIPO, or other airframes requiring up to 6000w.60cc-equivalent application on 14s LIPO. |
| Motor construction | Rotor magnets, 0.2mm silicon steel stator sheets and enamel-coated copper windings rated above 200C+. |
| Motor Kv | 175 RPM / Volt |
| Motor weight | 822.6 (29.02 oz)Motor only. |
| Weight with mounting accessories | 987.2g (34.82 oz)Including mount and prop mount accessories. |
| Motor body dimensions | 86.5mm x 56.5mm (+20mm prop spacer) (3.39" x 2.23" (+ 0.79"))With an additional 20mm prop spacer. |
| External shaft diameter | 10mm |
| Continuous current | 75AContinuous current is subject to Power % reduction factors. |
| Continuous power | 4000 Watts |
| Peak current | 110A |
| Peak power | 5900 WattsIntermittent full throttle for 10–180 seconds, depending on use case and cooling. |
| Maximum rated LiPo cell count | 12sHigher cell counts are possible with smaller prop usage. |
| Stator diameter | 74 mm (2.91 in) |
| Stator thickness | 18 mm (0.71 in) |
| Number of stator arms | 24 |
| Magnet poles | 28 |
| Motor winding | 10T + 11T 4Y |
| Motor wire | 5-Strand 0.33mm |
| No-load current | 1.34 AmpsIO at 15V. |
| Motor internal resistance | 28.6 mΩPhase-to-phase measurement. |
| Motor inductance | 21.9 µHPhase-to-phase measurement at 1khz. |
| Recommended ESC | Tribunus III 14-150A ESC SBEC |
| Recommended propellers for 14s | Scorpion 23x10 Carbon / 24x10 Carbon14s battery configuration. |
| Recommended propeller for 12s | Scorpion 25x10 Carbon12s battery configuration. |
| Supplied configuration | 1 x A2-7418 BLDC motor; 1 x A2-74 cross mount; 1 x A2-74 prop mount; 3 x female 6mm bullets; 3 x Scorpion stickers; 1 x accessory hardware pack.Included equipment. |
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