The HS-53 is Hitec’s economical, feather servo designed to compete head to head with the influx of low cost servos while still maintaining Hitec’s renowned quality. Designed with a durable nylon gear train and an efficient three-pole cored motor, this light-weight servo is a terrific fit for small power planes and gliders.
https://www.servocity.com/html/hs-53_servo.html#.VgF3tN9Viko
https://www.servocity.com/html/hs-53_servo.html#.VgF3tN9Viko