HobbyWing SkyWalker 40A Motor Speed Controller Description
The HobbyWing SkyWalker 40A Electronic Speed Controller is built for RC aircraft, FPV quads, and other hobbyist uses. It delivers strong continuous power, reliable protections, and flexible programming to meet both entry‑level and more advanced demands.
Specifications
| Parameter | Value |
|---|---|
| Continuous Current | 40 A |
| Burst/Peak Current (approx., ~10 seconds) | ~ 55‒60 A |
| Supported Batteries | 2‑3S LiPo (some versions support 3‑4S) / 5‑9 cell NiMH/NiCd |
| BEC Output | 5V, ~2‑3 A in linear mode (standard version) or 5V @ 5A in switch‑mode (V2 version) |
| Max RPM (motor dependent) | ~210,000 rpm for 2‑pole, ~70,000 rpm for 6‑pole, ~35,000 rpm for 12‑pole motors |
| Size | ~68 × 25 × 8 mm (standard version) / ~60 × 25 × 8 mm (V2 version) |
| Weight | ~35‑40 g |
Wiring & Connectors
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Motor‑side outputs generally use 3.5 mm female bullet connectors.
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Input wires typically thick enough to handle 40A continuous (sizes vary by version).
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No fixed battery connector in many versions; user may solder or choose connector.
Key Features
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Safety arming so motor doesn’t spin immediately when battery is connected unless throttle is at zero.
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Throttle calibration to match different transmitters.
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Multiple protection systems: low‑voltage cutoff, over‑heat protection, signal loss protection.
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Programmable via transmitter stick or optional LED/program card.
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Different start modes (normal / soft / super soft) and timing options (low / medium / high).
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Suitable for fixed‑wings, multi‑rotors (depending on version), RTF models, and newcomers as well as experienced users.
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