The new generation of Bluebird servos is Here!  The BLS-30A is a fantastic addition to the lineup. Impressive specs over a wide range of voltage makes this servo perfect  for almost any setup. With blistering speed and amaxzing torque, these servos will fit anywhere from a 30cc on up to a 70cc airframe. These servos are also designed to work in Cyclic contorls in helis!


Application / Suitable

1/7 & 1/8th Buggy, Truggy, Muggy, Crawler, Monster, Truck, On-Road.  (EP / Gas / Nitro)



Torque At 6.0V 25.2 kg-cm / 350.0 oz-in
Torque At 7.4V 30.8 kg-cm / 427.8 oz-in
Torque At 8.4V 35.7 kg-cm / 495.9 oz-in
Speed At 6.0V 0.08 sec / 60°
Speed At 7.4V 0.06 sec / 60°
Speed At 8.4V 0.05 sec / 60°


Protection Mechanism

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.


Power Supply

Operating Voltage Range  4.5V ~ 8.5V ( 4 ~ 6 Cell Ni-MH or 2S Li-Poly / 2S Li-Fe)


Control Specification

Control System Digital Controller / AD 12-Bits Resolution ( 4096 Steps )
Frequency:Up to 333Hz / Neutral:1500us or 1520us
Dead Band Width 0.001ms ( Default:1us)


Mechanical Specifications

Ball Bearing Dual
Gear Titanium Alloy Gears
Motor High Premium Brushless Motor
Horn / Gear Spline 25 Teeth ( Same as F-Type )


Physical Specifications

Dimension (mm) 40.5 x 20 x 39 mm / 1.59 x 0.79 x 1.54 in
Weight (gram) 78.5 ± 1 grams / 2.77 oz

BLS-30A Brushless HV Digital Servo