Coreless Series

BMS-M43C [New Generation]

( Including Aluminum Arm * 1 PCS)
Application / Suitable
Priority for 3D Airplane, Jets & 1/6、1/8th Crawler, Monster & Helicopter
Electrical Specification (Function Of The Performance) 
Torque At 6.0V 35.3 kg-cm / 490.3 oz-in
Torque At 7.4V 43.5 kg-cm / 604.2 oz-in
Torque At 8.4V 50.4 kg-cm / 700.1 oz-in
Speed At 6.0V 0.14 sec / 60°
Speed At 7.4V 0.12 sec / 60°
Speed At 8.4V 0.11 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 HV 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)
Potentiometer (Variable Resistor) Magnetic Sensored 【Non - Contact】
Mechanical Specifications
Ball Bearing Dual
Gear All Steel Alloy Gears
Outside Case Full One-Piece Aluminum CNC Casing
Motor High-Premium Coreless 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) 74 ± 1 grams / 2.61 oz
Product Picture / Dimension Sketch