BLS-H71B HELICAL GEAR, HV-DIGITAL, ULTRA MEGA TORQUE, HIGH SPEED, BRUSHLESS +Servo Arm (73.2kg/1016.7oz 0.08sec @8.4V)

Market Price: $168.99

Our Price:

$159.99

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BLS-H71B, High Voltage, Helical Gears, Brushless Motor, Digital--One of Blue Bird's most powerful servo, over 1000oz of torque!!

Smoother．Precision．More Reliable & More Efficiency

Helical Gears for supreme strength and precision.

★Soft Start Protection
★Over Voltage Protection
★Low Voltage Protection
★Locked Rotor Protection
★Temperature Protection

APPLICATION / SUITABLE

Perfect for Giant Scale 3D Airplane, Jet & 1/5、1/8th Monster / Crawler / Off-road Car & Helicopter.

ELECTRICAL SPECIFICATION (FUNCTION OF THE PERFORMANCE)

PROTECTION MECHANISM

Soft Start Protection	Soft start 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 degree C, drive the protection mode and down 75 degree C return to normal mode.

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 ( 4096 Steps )

Frequency：Up to 333Hz / Neutral：1500us or 1520us

Dead Band Width

0.001ms ( 1us )

MECHANICAL SPECIFICATIONS

Ball Bearing	Dual, Steel
Gear	All Steel Alloy Metal Helical Gears
Outside Case	Full One-Piece Aluminum CNC Casing
Motor	High Efficiency Japan Brushless Motor
Horn / Gear Spline	25 Teeth ( Same as F-Type )