This is the Futaba BLS252 F3C Brushless Heli Servo.
FEATURES: Designed for F3C competition
Equipped with metal gears and two ball bearings
30% faster response than standard digital servos and five times
longer lasting than servos with brushed motors
Same power consumption as brushed digital servos
One year limited warranty
INCLUDES: Futaba BLS252 Brushless Heli Servo with universal connector, 0.83"
(21mm) diameter round horn, 1.8" (45mm) diameter round horn, 1.2"
(32mm) 6-point horn, 1.5" (39mm) 4-point horn and mounting
REQUIRES: Installing in heli, connecting linkage and connecting to receiver
SPECS: Torque: 139 oz-in (10.0 kg/cm) @ 4.8V
175 oz-in (12.6 kg/cm) @ 6.0V
Speed: 0.16 sec/60° @ 4.8V
0.13 sec/60° @ 6.0V
Size: 1.6 x 0.8 x 1.5" (40 x 20 x 37mm)
Weight: 2.1 oz (58g)
Horn Screw Size: 3x8mm
COMMENTS: For Case Set, order FUTM2803
For Gear Set, order FUTM3471