BLS-H51B V2 HELICAL GEAR, HV-DIGITAL, MEGA TORQUE, HIGH SPEED, BRUSHLESS +Servo Arm (62.9kg/873.6oz, 0.09sec at 8.4V)

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Availability	131 in stock
Weight	0.51 lbs
SKU	BBR-BLS-H51B
Manufacturer	Blue Bird

BLS-H51B V2, High Voltage, Helical Gears, Brushless Motor, Digital

The Powerful BLS-51B just got better!!

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

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

ELECTRICAL SPECIFICATION (FUNCTION OF THE PERFORMANCE)

Torque At 6.0V	46.2 kg-cm / 641.7 oz-in
Torque At 7.4V	55.7 kg-cm / 773.6 oz-in
Torque At 8.4V	62.9 kg-cm / 873.6 oz-in
Speed At 6.0V	0.12 sec / 60°
Speed At 7.4V	0.10 sec / 60°
Speed At 8.4V	0.09 sec / 60°

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 )

PHYSICAL SPECIFICATIONS

Dimension (mm)	40.5 x 21 x 38.5 mm / 1.59 x 0.83 x 1.52 in
Weight (gram)	84.0 ± 1 grams / 2.96 oz
Product Picture / Dimension Sketch

Includes Servo and Servo Arm