If you are looking for an economical micro powerhouse for your 48"-52" 3D planes then look no further. This coreless, metal geared, dual ball bearing servo will deliver the power and speed that even the most demanding 3D pilots require. 
 
Other Applications
EP Aircraft , Heli 450/500 Class CCPM , Car 1/12th & 1/18th
 
Specifications
Torque At 6.0V
    6.9 kg-cm / 95.8 oz-in
Torque At 7.4V
    8.6 kg-cm / 119.5 oz-in
Torque At 8.4V
    9.7 kg-cm / 134.7 oz-in
Speed At 6.0V
    0.13 sec / 60°
Speed At 7.4V
     0.11 sec / 60°
Speed At 8.4V
     0.10 sec / 60°
Power Supply
Operating Voltage Range
    6.0V ~ 8.5V ( 5 ~ 6 Cell Ni-MH or 2 Cell Li-Poly )
 
Micro Servo
Control System
    Digital Controller
Dead Band Width
    0.002ms ( 2us )
 
Mechanical Specifications
Ball Bearing
    Dual
Gear
    Metal Gears
Motor
    Coreless Motor
Spline
    25 Teeth ( Same as F-Type )
 
Physical Specifications
Dimension (mm)
   29 x 13 x 30 mm / 1.14 x 0.51 x 1.18 in
Weight (gram)
   22.5 ± 1 grams / 0.79 oz​