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.