CHA HV120 Servo
Description
Engineered for precision, power, and performance, the CHA HV120 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 normal lug version is perfect for fuselage installations. 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 HV120 is perfect for:
Servo Data
Dimensions 30 x 12 x 35 mm
Weight 1.30 oz (37 g)
Rated Voltage DC 7.4V
Voltage Range DC 4.8 – 8.4V
Output Shaft Spline 25T, 0.236 in (6 mm)
Position sensor Contactless / Hall sensor
Motor 4 Pole Brushless
Working Frequency 1520µs/333Hz
Pulse Range 500 µs – 2500 µs
Programmable Yes
Material
Case Material Aluminium
Gear Set Material Steel
Holding Torque
Holding Torque @ 4.8V 249.97 oz·in (18.0 kg·cm)
Holding Torque @ 6.0V 305.52 oz·in (22.0 kg·cm)
Holding Torque @ 7.4V 347.18 oz·in (25.0 kg·cm)
Holding Torque @ 8.4V 388.84 oz·in (28.0 kg·cm)
Output Torque
Output Torque @ 4.8V 138.87 oz·in (10.0 kg·cm)
Output Torque @ 6.0V 166.64 oz·in (12.0 kg·cm)
Output Torque @ 7.4V 208.31 oz·in (15.0 kg·cm)
Output Torque @ 8.4V 249.97 oz·in (18.0 kg·cm)
No-load Speed
No-load Speed @ 4.8V 0.16sec/60°
No-load Speed @ 6.0V 0.13sec/60° @ 6.0 V
No-load Speed @ 7.4V 0.11sec/60°
No-load Speed @ 8.4V 0.09sec/60°
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 normal lug version is perfect for fuselage installations. 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 HV120 is perfect for:
- Big gliders - mounting in the fuselage
- Large electric and gas-powered aircraft
- High-performance jets
Servo Data
Dimensions 30 x 12 x 35 mm
Weight 1.30 oz (37 g)
Rated Voltage DC 7.4V
Voltage Range DC 4.8 – 8.4V
Output Shaft Spline 25T, 0.236 in (6 mm)
Position sensor Contactless / Hall sensor
Motor 4 Pole Brushless
Working Frequency 1520µs/333Hz
Pulse Range 500 µs – 2500 µs
Programmable Yes
Material
Case Material Aluminium
Gear Set Material Steel
Holding Torque
Holding Torque @ 4.8V 249.97 oz·in (18.0 kg·cm)
Holding Torque @ 6.0V 305.52 oz·in (22.0 kg·cm)
Holding Torque @ 7.4V 347.18 oz·in (25.0 kg·cm)
Holding Torque @ 8.4V 388.84 oz·in (28.0 kg·cm)
Output Torque
Output Torque @ 4.8V 138.87 oz·in (10.0 kg·cm)
Output Torque @ 6.0V 166.64 oz·in (12.0 kg·cm)
Output Torque @ 7.4V 208.31 oz·in (15.0 kg·cm)
Output Torque @ 8.4V 249.97 oz·in (18.0 kg·cm)
No-load Speed
No-load Speed @ 4.8V 0.16sec/60°
No-load Speed @ 6.0V 0.13sec/60° @ 6.0 V
No-load Speed @ 7.4V 0.11sec/60°
No-load Speed @ 8.4V 0.09sec/60°
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