Optimized for short takeoff UAVs, our high-speed catapults achieve 0-70 m/s acceleration in 0.6 seconds using a high-flow hydraulic system (250 L/min) with direct-drive servo valves (response time <10 ms). The catapult's carbon fiber composite launch track reduces friction by 40% compared to steel tracks, while a magnetic eddy current brake provides precise stop control (positioning accuracy ±50 mm). A variable-frequency drive adjusts launch force in real-time based on UAV weight, ensuring consistent performance across different payloads. This catapult is suitable for urban air mobility (UAM) vehicles, carrier-based drones, and high-speed reconnaissance UAVs, with a launch interval of 90 seconds. The design incorporates noise-dampening materials (sound level <80 dB) for urban operations. Contact us for acceleration profiles or view our high-speed launch simulation models at [https://www.uranustj.com/].