HELICOPTER Series

BMS-20AN [$88.20-]

8.4V@22.6kg/313.9oz
8.4V@0.035sec
Frequency:333 or 560Hz / Neutral : 760us Narrow Band
  • BMS-20AN
DETAILS
Application / Suitable
Only for Helicopter Tail ( Rudder )
 
Specifications
Torque At 6.0V 16.3 kg-cm / 226.4 oz-in
Torque At 7.4V 19.8 kg-cm / 275.0 oz-in
Torque At 8.4V 22.6 kg-cm / 313.9 oz-in
Speed At 6.0V 0.058 sec / 60°
Speed At 7.4V 0.046 sec / 60°
Speed At 8.4V 0.035 sec / 60°
 
Protection Mechanism
Soft Start Protection Soft start back to 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 Freturn to normal mode.
Lose Control Protection When losing the transmitter signal, that servo will immediately be back to the neutral position and locked.
 
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:333 or 560Hz / Neutral : 760us Narrow Band
Dead Band Width 0.001ms ( Default:1us)
 
Mechanical Specifications
Ball Bearing Dual, Stronger Ball Bearings.
Gear Titanium w/ Nanometer Alloy Gears
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) 78.5 ± 1 grams / 2.77 oz
Product Picture / Dimension Sketch