We use cookies to enhance your online experience. We need your consent to set cookies. By clicking ACCEPT, you agree to their use and can continue exploring our site. Learn more about cookies in our Cookie Policy.
Pilot RC - PW-21AH servo HV - 21kg
Pilot‑RC PW‑21AH 21kg servo
High-torque, high-speed HV brushless servo designed for demanding RC aircraft. The PW-21AH delivers strong centering, steel-gear durability, and a ready-to-install aluminum arm—ideal for control surfaces on 20–60cc class aerobatic models or high-performance sport aircraft.
Included
-
PW-21AH brushless digital servo
-
1.2″ aluminum servo arm (M2 ball-link hole)
-
Double plastic servo arm
-
Mounting hardware (screws, grommets, brass eyelets)
-
Long servo lead (~310 mm)
Not included
-
Extension leads / Y-harness
-
Receiver, power system or BEC
-
Ball links / linkage hardware beyond supplied arm
-
Programming box or telemetry accessories
Specifications
- Type: HV brushless digital mini servo
- Voltage: 5.0–8.4 V
- Torque: 21.5 kg·cm @ 8.4 V | 18.9 kg·cm @ 7.4 V
- Speed: 0.079 s/60° @ 8.4 V | 0.089 s/60° @ 7.4 V
- Gears: Steel
- Spline: 25T (Futaba)
- Bearings: Dual ball bearing
- Weight: 52 gDimensions: 35.9 × 15 × 33 mm










Maximize reliability and performance by pairing your servos with the right installation hardware and power components.




