The A5040's extremely tough metal gear train, digital precision and incredible .10 transit time is ideal for 25-32 size aircraft. Aerobatic and 3D aircraft that demand performance need the precision of digital accuracy. The low deadband technology means that you’ll enjoy reliable accuracy and precision. This mini-class servo is durable enough for either glow or electric power applications. Dual ball-bearing support means there’s less resistance to the high output of the high-speed coreless motor. In all these features mean you can expect great performance and long life.