This is the S9256 Digital Servo used with the Futaba GY611 Gyro, FUTM0825.
FEATURES: Aluminum case with heat sink to help cool motor Special servo for the GY611. Compatible with Super Narrow Pulse of (760µs) drive.
INCLUDES: Four rubber grommets to isolate vibration Four brass eyelets Four phillips head self-tapping mounting screws One large servo wheel 35mm in diameter One star shaped (six arms) servo arm 32mm accross One X-shaped servo arm 39mm across One year limited warranty
REQUIRES: Radio system using Futaba "J" type connectors
SPECS: Dimensions: 1.57"x 0.79"x 1.44" (40 x 20 x 36.5mm) Weight: 2.01oz (57g) Speed: 0.06 sec/60° @ 4.8V Torque: 47 oz-in (3.4 kg-cm) at 4.8V
COMMENTS: The following parts are available: Case Set, FUTM3064 FUTM3443 FGS9251 COMPLETE SERVO GEAR SET S9251 (with metal final gear) FUTM3502 FGS9251 1/2/3 GEAR SET (without metal final gear)