How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
HV1220 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.
HV1220 fits customers looking for MKS Servo items in Car Series, with RC-MODEL support for choosing the right configuration.
HV1220 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 cars, buggies, trucks and high-load steering. 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: HV Coreless. Gear train: Metal. Voltage range: 6 - 8.4. Before installation, check receiver/BEC voltage, gyro or radio compatibility, servo bay dimensions, servo arm fit and the mechanical load of the model.
| Servo dimensions | Standard |
|---|---|
| Servo type | Digital |
| Programmable | Yes |
| Torque at 6.0V [kg∙cm] | 16.6 |
| Torque at 6.8 V [kg∙cm] | 20.3 |
| Torque at 7.4V [kg∙cm] | 22.1 |
| Torque at 8.2 V [kg∙cm] | 23 |
| Speed at 6.0V [s/60st.] | 0.159 |
| Speed at 6.8 V [s/60st.] | 0.14 |
| Speed at 7.4V [s/60st.] | 0.129 |
| Speed at 8.2 V [s/60st.] | 0.115 |
| Control pulse width in neutral [µs] | 1520 |
| Frame Rate [Hz] | 333 |
| Deadband [ms] | 0.0008 |
| Servo gears | Metal |
| Ball bearings | 2× |
| High-voltage | Yes |
| Power supply [V] | 6 - 8.4 |
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Servo dimensions | Standard |
| Servo type | Digital |
| Programmable | Yes |
| Torque at 6.0V [kg∙cm] | 16.6 |
| Torque at 7.4V [kg∙cm] | 22.1 |
| Torque at 8.2 V [kg∙cm] | 23 |
| Speed at 6.0V [s/60st.] | 0.159 |
| Speed at 7.4V [s/60st.] | 0.129 |
| Speed at 8.2 V [s/60st.] | 0.115 |
| Control pulse width in neutral [µs] | 1520 |
| Frame Rate [Hz] | 333 |
| Deadband [ms] | 0.0008 |
| Servo gears | Metal |
| Ball bearings | 2× |
| High-voltage | Yes |
| Power supply [V] | 6 - 8.4 |
| Length [mm] | 40 |
| Width [mm] | 20 |
| Height [mm] | 37 |
| Weight [g] | 57.64 |
| Intended for | Aeroplanes,Helicopters,On-road cars,Off-road cars,Sailing boats,Boats |
| Servo motor type | HV Coreless |
| Product Code | S0024001 |
| Manufacturer | MKS Servo |
| Source Series | Car Series |
| Torque at 6.8 V [kg∙cm] | 20.3 |
| Speed at 6.8 V [s/60st.] | 0.14 |
| Water resistance | Waterproof |
Tags: MKS Servo, HV1220, Car Series, RC servo
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