ChaServo HV8515 – High-Voltage Power Servo for Maximum Control

The ChaServo HV8515 is a high‑performance HV digital servo designed for demanding RC pilots who require uncompromising precision, extreme torque and maximum reliability. With advanced coreless motor technology, a durable aluminium case and a strong steel gear train, this servo delivers outstanding accuracy and repeatability even under heavy load.

Delivering up to 88 kg·cm of holding torque and a response time of just 0.13 s / 60° at 8.4 V, the HV8515 ranks among the most powerful servos in its class. Perfect for large-scale aircraft, jets, 3D aerobatics, F3A and any application where maximum strength and precision are essential.

Highlights

• Extreme torque: up to 88 kg·cm @ 8.4 V
• Fast response: 0.13 s / 60° @ 8.4 V
• Steel gears for maximum durability
• Aluminium housing for optimal cooling
• 6 ball bearings for smooth operation
• Contactless Hall sensor for long life
• Fully programmable (500–2500 µs)

Technical Specifications

• Dimensions: 40 × 20 × 40 mm
• Weight: 72 g
• Spline: 25T / 8 mm
• Voltage: 6.0 – 8.4 V (HV)
• Motor: 4‑pole brushless
• Sensor: Contactless Hall sensor

Torque

• 75 kg·cm @ 6.0 V
• 85 kg·cm @ 7.4 V
• 88 kg·cm @ 8.4 V

Speed

• 0.18 s / 60° @ 6.0 V
• 0.15 s / 60° @ 7.4 V
• 0.13 s / 60° @ 8.4 V

Applications

• Large-scale aircraft & jets
• 3D aerobatics & F3A
• Heavy scale models
• High-load control surfaces (rudder, elevator, ailerons, flaps)