HELICOPTER Series

BLS-17A [$97.99-]

8.4V@19.4 kg/269.5oz
8.4V@0.033sec
( Including Aluminum Arm * 1 PCS)
DETAILS
Application / Suitable
Priority for Helicopter tail [ Rudder ] & Airplane & 1/10th On-Road, Drift Car.  (EP / Gas / Nitro)
 
Specifications
Torque At 6.0V 13.8 kg-cm / 191.7 oz-in
Torque At 7.4V 17.1 kg-cm / 237.5 oz-in
Torque At 8.4V 19.4 kg-cm / 269.5 oz-in
Speed At 6.0V 0.045 sec / 60°
Speed At 7.4V 0.038 sec / 60°
Speed At 8.4V 0.033 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:Up to 333Hz / Neutral:1500us or 1520us
Dead Band Width 0.001ms ( Default:1us)
 
Mechanical Specifications
Ball Bearing Dual, Stronger Ball Bearings.
Gear Titanium W/ Nanometer 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) 76 ± 1 grams / 2.68 oz
Product Picture / Dimension Sketch