BLS835 HV Brushless Digital Servo 45.0Kgf.cm 0.13sec/60° for 550-700 Class Helicopters

The KST BLS835 is a high-performance, high-voltage brushless digital servo engineered for 550-700 Class Helicopters. It delivers a massive stalling torque of up to 45.0 Kgf.cm and a lightning-fast speed of 0.13sec/60° at 8.4V. Built for durability and precision, it features a rugged aluminium alloy case for superior cooling, a hardened steel gear set supported by dual ball bearings, and a programmable brushless DC motor. Operating reliably between -20°C and +65°C, the BLS835 combines raw power with intelligent features like soft start to ensure stable and accurate control in the most demanding environments. Features Ultra High Torque & Excellent Speed Hardened Steel Gear CNC Aluminium Case High Quality Brushless Motor Dual Ball Bearings Ideal for 550-700 Class Helicopters Specification Rated Voltage: DC7.4V Voltage Range: DC6.0V-8.4V Stalling Torque: 30.0 Kgf.cm@6.0V,38.0 Kgf.cm@7.4V,45.0 Kgf.cm@8.4V No-load Speed: 0.16sec/60°@6.0V,0.14sec/60°@7.4V,0.13sec/60°@8.4V Working Frequency: 1520us/333Hz Default Travel Angle: ±50°=100° Total Temperature Range: -20℃……+65℃ Soft Start: Programmable Programmable: Yes Case Material: Aluminum Alloy Motor Type: Brushless DC Motor Gear Set Material: Hardened Steel Position Sensor: Potentiometer Ball Bearing: 2BB Case Dimensions: 40.5*20*38mm ±0.2mm Weight: 70g±10% Package Includes 1 * BLS835 HV Servo 5 * Plastic Servo Horn 1 * Servo Horn Screw 4 * Eyelet 4 * Grommet 4 * Mounting Screw Download Technical Specification of BLS835 HV Servo