Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
HBL650SL is an RC product from MKS Servo. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
HBL650SL fits customers looking for MKS Servo items in Heli Series, with RC-MODEL support for choosing the right configuration.
HBL650SL from MKS Servo is organized here as a practical RC-MODEL product page with customer-focused selection guidance, structured specifications and product imagery. Supplier pricing and external buying routes are intentionally excluded from the storefront.
This item is intended for RC helicopters, cyclic control and tail rotor use. MKS servos are a strong fit for pilots and RC drivers who care about accurate centering, fast response, reliable gear trains and confident control under load.
Motor: Japanese-made Brushless Motor. Gear train: Metal Alloy Gear. Voltage range: 4.8V ~ 8.4V DC Volts. Before installation, check receiver/BEC voltage, gyro or radio compatibility, servo bay dimensions, servo arm fit and the mechanical load of the model.
| Product Code | S0010018 |
|---|---|
| Servo dimensions | Standard low-profile |
| Servo type | Digital |
| Programmable | Yes |
| Torque at 6.0V [kg∙cm] | 18.5 |
| Torque at 7.4V [kg∙cm] | 22.9 |
| Torque at 8.2 V [kg∙cm] | 25.4 |
| Speed at 6.0V [s/60st.] | 0.11 |
| Speed at 7.4V [s/60st.] | 0.09 |
| Speed at 8.2 V [s/60st.] | 0.081 |
| Working Voltage | 4.8V ~ 8.4V DC Volts |
| Working Frequency | 1520μs / 333Hz |
| Dead Band | 0.001 ms (Default) |
| Bearing | 2* Ball Bearing |
| Gear | Metal Alloy Gear |
| Motor | Japanese-made Brushless Motor |
| Length [mm] | 40.5 |
| Width [mm] | 20.5 |
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
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| Technical Specifications | |
| Servo dimensions | Standard low-profile |
| Servo type | Digital |
| Programmable | Yes |
| Torque at 6.0V [kg∙cm] | 18.5 |
| Torque at 7.4V [kg∙cm] | 22.9 |
| Torque at 8.2 V [kg∙cm] | 25.4 |
| Speed at 6.0V [s/60st.] | 0.11 |
| Speed at 7.4V [s/60st.] | 0.09 |
| Speed at 8.2 V [s/60st.] | 0.081 |
| Length [mm] | 40.5 |
| Width [mm] | 20.5 |
| Height [mm] | 23.1 |
| Weight [g] | 54 |
| Intended for | Helicopters |
| Product Code | S0010018 |
| Manufacturer | MKS Servo |
| Source Series | Heli Series |
| Working Voltage | 4.8V ~ 8.4V DC Volts |
| Working Frequency | 1520μs / 333Hz |
| Dead Band | 0.001 ms (Default) |
| Bearing | 2* Ball Bearing |
| Gear | Metal Alloy Gear |
| Motor | Japanese-made Brushless Motor |
Tags: MKS Servo, HBL650SL, Heli Series, RC servo
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