BLS-H41B V2 HELICAL GEAR, HV-DIGITAL, HIGH TORQUE, HIGH SPEED, BRUSHLESS +Servo Arm (48.9kg/679.2oz, 0.08 sec at 8.4V) Blue Birds newest Helical Gear Servo! 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 & 1/6、1/8th Monster / Crawler / Off-road Car & Helicopter. | ELECTRICAL SPECIFICATION (FUNCTION OF THE PERFORMANCE) Torque At 6.0V | 36.3 kg-cm / 504.2 oz-in | Torque At 7.4V | 43.7 kg-cm / 607.0 oz-in | Torque At 8.4V | 48.9 kg-cm / 679.2 oz-in | Speed At 6.0V | 0.12 sec / 60° | Speed At 7.4V | 0.09 sec / 60° | Speed At 8.4V | 0.08 sec / 60° | PROTECTION MECHANISM Soft Start Protection | Soft start to a 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 F) return to normal mode. | Lose Control Protection | When losing the transmitter signal, that servo will be back to the neutral position immediately and lock. | 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, Stronger Ball Bearings | Gear | All Stainless Steel Helical Gears | Outside Case | Full One-Piece Aluminum CNC Casing | Motor | Custom High-Efficiency 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 |