Mini

BMS-A921+ [$66.99-]

8.4V@15.1kg/209.7oz
8.4V@0.05sec
DETAILS
Application
Priority for 3D Airplane, Helicopter 550-Class Swashplate CCPM cyclic and Tail used & 1/12th EP On-Road Car
 
Specifications
Torque At 6.0V 10.8 kg-cm / 150.0 oz-in
Torque At 7.4V 13.3 kg-cm / 184.7 oz-in
Torque At 8.4V 15.1 kg-cm / 209.7 oz-in
Speed At 6.0V 0.07 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.
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.
 
Power Supply
Operating Voltage Range 4.5V ~ 8.7V ( 4 ~ 6 Cell Ni-MH or 2S Li-Fe & HV Li-Poly Compatible )
 
Control Specification
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 ( 1us )
 
Mechanical Specifications
Ball Bearing Dual
Gear All Metal Gears
Motor High-Efficiency Coreless Motor
Horn / Gear Spline 25 Teeth
 
Physical Specifications
Dimension (mm) 35.5 x 15 x 29 mm / 1.4 x 0.59 x 1.14 in
Weight (gram) 34.0 ± 1 grams / 1.19 oz
Product Picture / Dimension Sketch