CHA HV120H Wing Servo - 28.0Kg.cm 0.09s 37.0g 12mm
Description
Engineered for precision, power, and performance, the CHA HV120H is a compact 12mm HV servo designed for demanding model aircraft applications. With a holding force of 25 kg, it delivers exceptional strength in a slim profile - perfect for tight installations and large models alike.Unlike conventional servos that use fragile potentiometers, the CHA HV120 series is equipped with a reliable Hall Effect sensor, ensuring superior durability and long-term accuracy. The robust internal design features steel gears, dual ball bearings, and a rugged aluminium case for maximum endurance and performance.This horizontal lug version is tailor-made for wing installations, allowing for slimmer airfoils and improved aerodynamics. A unique third mounting lug beside the motor ensures easy and secure fitting, even under small servo hatches.With a 6mm T25 standard spline, it supports a wide variety of Futaba-compatible servo arms—offering versatility for all your setup needs.The CHA HV120H is perfect for:
- Big gliders - mounting in wings and tail surfaces
- Large electric and gas-powered aircraft
- High-performance jets
| CHA HV120H Wing Servo Specifications | ||
|---|---|---|
| Body dimensions | 30.0 mm wide x 12.0 mm thick x 35.0 mm high | 1.18" wide x 0.47" thick x 1.38" high |
| Max dimensions | 42.0 mm wide x 12.0 mm thick x 39.0 mm high | 1.65" wide x 0.47" thick x 1.54" high |
| Stall torque (4.8V) | 18 Kg.cm | 250 oz.in |
| Stall torque (6V) | 22 Kg.cm | 306 oz.in |
| Stall torque (8.4V) | 28 Kg.cm | 389 oz.in |
| Weight | 37 g | 1.31 oz |
| Lead length | 21 cm | 8.3 in |
| Operating speed (4.8V) | 0.16 sec/60° | |
| Operating speed (6V) | 0.13 sec/60° | |
| Operating speed (8.4V) | 0.09 sec/60° | |
| Operating voltage | 4.8V to 8.4V | |
| Operating temperature | °C | |
| Bearings | 2 ball races | |
| Gear material | Hardened Steel | |
| Case material | Aluminium | |
| Motor type | 4 Pole Brushless | |
| Working frequency | 333 Hz | |
| Dead band/resolution | µs | |
| Pulse width for ± 60º | 500-2500 µs | |
| Digital | Yes | |
| Programmable | Yes | |
| Position feedback | Contactless / Hall sensor | |
| Supplied accessories | 2 plastic output arms, 4 mounting screws, 3 arm retaining screws | |
| Optional accessories | ||
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