S8955SS and S8955SH are identical servos except that S8955SS has slow start = default ON.
S8955SS responds to gyro quickly, recommended to jet’s aileron as well as 3D giant scale airplane’s aileron. You will love the speed of the servo once you feel it.
Stall torque: 34.2 (6.6V) / 38.3 (7.4V) / 43.5 (8.4V) kg·cm
Speed : 0.06 (6.6V) /0.06 (7.4V) /0.05 (8.4V) Sec / 60°
Weight: 79 g
Dimensions: 40 x 20 x 40.5 mm
Lead length : 300mm
Operating voltage: 4.5V – 8.5V
Neutral frequency: 1500μSec.
Control frequency: XBUS: 2KHz / PWM: 333Hz
High output brushless motor equipped
Operating angle: 120° / 150° / 180°
Programmable (slow start: ON)
Full metal gear
Full metal case
Double ball bearing
Recommended for giant scale and jets ailerons.
The firmware in a 2K servo verifies the position of the servo arm two thousand times each second,
while the firmware found in previous servos verify the arm's position one thousand times per second.
This greater number of verifications makes for a very precise servo, and gives it a more "solid" feel.
It is recommended to use a booster cable with 2K servos to ensure steady voltage at all times.