Servos are powered by the ESC’s output to the receiver. If you’re using a higher-strength servo than the ESC can support (usually greater than 20kg), you may experience ‘brown-outs’ where the radio signal can be interrupted and cause erratic driving. This can be helped by plugging a Glitch Buster into the receiver smoothing the current delivery. However, in some cases, you may need to install an external BEC.
SPE-S9020 Servo Specifications
- Total Height (A) = 41.7mm
- Body Width (B) = 40mm
- Below Mount (C) = 26mm
- Above Mount (D) = 15.7mm
- Total Length (E) = 55.6mm
- Total Width (F) = 20mm
In this video, Hamish gives a step-by-step guide on installing a Servo and how to avoid stripping your servo gears.
Specifications
| Servo | |
|---|---|
| Servo Size: | Standard |
| Servo Spline Count: | 25 |
| Drive Motor Type: | Brushless |
| Waterproof Casing: | Splash Proof |
| Gear Material: | Plastic |
| Signal Type: | Digital |
| Case Material: | Metal |
| “A” Measurement: | 41.7 |
| “B” Measurement: | 40 |
| “C” Measurement: | 26 |
| “D” Measurement: | 15.7 |
| “E” Measurement: | 55.6 |
| “F” Measurement: | 20 |







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