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.
HBL665*3+HBL669*1 Combo Pack
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
HBL665*3+HBL669*1 Combo Pack 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 matched helicopter servo set. The pack helps keep cyclic and tail servo choices consistent instead of mixing unmatched servo families. 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: Brushless Motor. Gear train: Metal Alloy Gear. Voltage range: High-voltage helicopter servo set. Before installation, check receiver/BEC voltage, gyro or radio compatibility, servo bay dimensions, servo arm fit and the mechanical load of the model.
- Voltage: High-voltage helicopter servo set
Key Specifications
| Product Code | C0005004 |
|---|---|
| Combo Contents | 3 x HBL665 cyclic servo + 1 x HBL669 tail servo |
| Source Series | Heli Series / Combo Packs |
| Category Use | Helicopter cyclic and tail servo set |
| HBL665 torque | 12.2 (6.0V) / 15.2 (7.4V) kg-cm |
| HBL669 application | Fast helicopter tail/rudder servo |
| Working Voltage | High-voltage helicopter servo set |
| Gear | Metal Alloy Gear |
| Motor | Brushless Motor |
| Intended for | Helicopters |
| Manufacturer | MKS Servo |
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Which servo fits each RC aircraft type?
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How to set failsafe correctly on an RC aircraft
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| Technical Specifications | |
| Intended for | Helicopters |
| Product Code | C0005004 |
| Manufacturer | MKS Servo |
| Source Series | Heli Series / Combo Packs |
| Working Voltage | High-voltage helicopter servo set |
| Gear | Metal Alloy Gear |
| Motor | Brushless Motor |
| Combo Contents | 3 x HBL665 cyclic servo + 1 x HBL669 tail servo |
| Category Use | Helicopter cyclic and tail servo set |
| HBL665 torque | 12.2 (6.0V) / 15.2 (7.4V) kg-cm |
| HBL669 application | Fast helicopter tail/rudder servo |
Tags: MKS Servo, HBL665*3+HBL669*1 Combo Pack, Heli Series, Combo Packs, RC servo