Tags: Power_HD_29g_4.8Kg_.09sec_Metal_Gear_High_Speed_Digital_Servo_3689MG_500-550_class_heli_swashplate_servo 

Features:

Good choice for 500-550 class helicopter swashplate servo.

Two ball bearings.

Coreless brushless motor

Specifications:

Type: 3689MG
Weight: 29 grams
Torque: 4.2 kg-cm @ 4.8V; 4.8 kg-cm @ 6V
Speed: 0.10 sec (4.8V) │ 0.09 sec (6.0V)
Voltage: 4.8 ~ 6.0V
Dimension: 35.0 x 15.1 x 29.5 mm
Gear material: Brass & Aluminium alloy
Wording frequency: 1520μs / 333hz

Includes/Requires:

Includes:
1 x digital servo with servo horns