Kingmax

KingMax BLS01S HV Brushless Waterproof Digital Servo – 30.6kg-cm Torque

In stock
SKU: BLS01S
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$79.95

KingMax BLS01S HV Brushless Waterproof Digital Servo

The KingMax BLS01S is a high-performance HV digital servo designed for RC aircraft applications that demand fast response, precision control, and long-term durability. Featuring a high-quality brushless motor, steel gears, and a full CNC-machined aluminum case, the BLS01S delivers exceptional speed and holding power while maintaining excellent reliability.

The patented gear chain design helps improve durability and operational stability, while dual ball bearings and waterproof construction make the servo suitable for demanding aircraft applications. Operating on voltages from 5.0V to 8.4V, the BLS01S produces up to 30.6kg-cm (425 oz-in) of stall torque and an impressive 0.05 sec/60° transit speed at 8.4V.

Features

  • High-performance HV digital servo
  • High-quality brushless motor
  • Patent gear chain design for improved durability and stability
  • High-precision steel gears
  • Full CNC-machined aluminum case
  • Dual ball bearings
  • Waterproof construction
  • Standard 25T output spline
  • Wide voltage operation from 5.0V to 8.4V
  • Fast response and excellent centering

Performance Specifications

Voltage Operating Speed Stall Torque
5.0V 0.09 sec/60° 18.4kg-cm (255.57 oz-in)
6.0V 0.08 sec/60° 22.3kg-cm (309.74 oz-in)
7.4V 0.06 sec/60° 28.0kg-cm (388.92 oz-in)
8.4V 0.05 sec/60° 30.6kg-cm (425.03 oz-in)

Specifications

  • Model: BLS01S
  • Motor: Brushless Motor
  • Gear Type: Steel Gear
  • Spline: Standard 25T
  • Bearings: Dual Ball Bearings (2BB)
  • Dead Band: 2μs
  • Waterproof: Yes
  • Operating Voltage: DC 5.0V–8.4V
  • Rated Working Voltage: DC 7.4V
  • Working Frequency: 1520μs / 330Hz
  • Working Angle: ±63° @ 800μs–2200μs
  • Dimensions: 40 × 20 × 33.5mm (1.56 × 0.78 × 1.30 in)
  • Weight: 75g (2.64 oz)
  • Connector Wire Length: 320mm (12.48 in)
  • Operating Temperature: -10°C to +50°C
  • Storage Temperature: -20°C to +60°C

Applications

  • Pattern aircraft
  • Sport jets
  • Warbirds
  • Sport aircraft
  • Gas and electric airplanes
  • Aircraft requiring fast servo response and precise control

Patent Gear Chain Design

The BLS01S utilizes KingMax's patented gear chain design (Patent No. ZL201822045200.5), engineered to improve gear stability and durability while maintaining smooth and precise servo operation.
  • SKU BLS01S