Blue Bird BLS-H71B v2 digital servo (0,08s/73kg)

Awesome for 3D Airplane, Jet & 1/5 & 1/6th Monster / Crawler / Truck / Off-road Car.
Soft Start Protection
Soft start to a neutral position.
Over Voltage Protection
Over 9.0V drive the protection mode and 8.4V return to normal mode.
Low Voltage Protection
Lower than 4.0V, drive the protection mode and 4.5V return to normal mode.
Locked Rotor Protection
Stall in 5 sec, output torque goes down.
Temperature Protection
Overheat 85 degrees C (185 degrees F), drive the protection mode and down 75 degrees C (167 degrees F) return to normal mode.
Lose Control Protection
When losing the transmitter signal, that servo will be back to the neutral position immediately and lock.

FEATURES
Torque At 6.0V: 56.2 kg-cm / 780.6 oz-in
Torque At 7.4V: 66.7 kg-cm / 926.5 oz-in
Torque At 8.4V: 73.2 kg-cm / 1016.7 oz-in
Speed At 6.0V: 0.12 sec / 60°
Speed At 7.4V: 0.10 sec / 60°
Speed At 8.4V: 0.08 sec / 60°
Operating Voltage Range: 4.5V ~ 8.7V ( 4 ~ 6 Cell Ni-MH or 2S HV Li-Poly / 2S Li-Fe)
Control System: 32-bits CPU Digital Calculator / AD 12-Bits Resolution ( 4096 Steps )
Frequency: Up to 333Hz / Neutral：1500us or 1520us
Dead Band Width: 0.001ms ( Default：1us)
Ball Bearing: Dual, Stronger Ball Bearings
Gear: All Stainless Steel Helical Gears
Outside Case: Full One-Piece Aluminum CNC Casing
Motor: High-Efficiency Japan Brushless Motor
Horn / Gear Spline: 25 Teeth ( Same as F-Type )
Dimension (mm): 40.5 x 21 x 42.9 mm / 1.59 x 0.83 x 1.69 in
Weight (gram): 92.0 ± 1 grams / 3.24 oz