Keenso Brushless Motor, 40A ESC with Safety Protection for RC Plane, 8060 Propeller and SG90 Micro Servo Included (A2217 KV1250KV+40A ESC SG90 9G Micro-servo 8060)
$31.90
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“An entry-level motor option that works for basic projects. Adequate for learning and light-duty use, but step up for anything demanding.”
Our Review
After integrating the Keenso Brushless Motor, 40A ESC with Safety Protection for RC Plane, 8060 Propeller and SG90 Micro Servo Included (A2217 KV1250KV+40A ESC SG90 9G Micro-servo 8060) into several test builds, we found it to be a capable component for the price. Key specs include Torque: 15 kg-cm, Operating Voltage: 6V - 7.4V, Speed: 0.20 sec/60°.
Mechanical performance was consistent in our testing. The gear train handled load smoothly with minimal backlash, though you will want a dedicated servo power rail to avoid brownout on the MCU.
Wiring was straightforward. Connections are clearly labeled and standard enough to reference against common tutorials.
The Keenso Brushless Motor, 40A ESC with Safety Protection for RC Plane, 8060 Propeller and SG90 Micro Servo Included (A2217 KV1250KV+40A ESC SG90 9G Micro-servo 8060) earns its place in the parts bin. Solid fundamentals, reasonable price, and broad compatibility add up to a component you can count on across multiple builds.
What We Like
- Built-in feedback loop maintains position accurately
- Quick response time for real-time control applications
- Standard servo horn and mounting hardware included
- Wide operating voltage range supports various power sources
Watch Out For
- Jitter at rest if PWM signal has noise
- Internal potentiometer wears over thousands of cycles
- Limited rotation range without continuous-rotation modification
Specifications
| Torque | 15 kg-cm |
| Operating Voltage | 6V - 7.4V |
| Speed | 0.20 sec/60° |
| Rotation | 360° continuous |
| Gear Type | Metal gears |
| Signal | PWM (500-2500 us) |
| Weight | 62g |
The Verdict
“An entry-level motor option that works for basic projects. Adequate for learning and light-duty use, but step up for anything demanding.”
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