Our UAV catapults integrated with energy recovery systems represent a breakthrough in sustainable drone deployment technology. The hydraulic-pneumatic launch mechanism captures kinetic energy during the launch stroke via a high-pressure accumulator (40 MPa) and regenerative braking system, converting 60% of residual energy into usable hydraulic pressure for subsequent launches. This reduces energy consumption by 35% compared to traditional catapults, making them ideal for prolonged field operations. The system utilizes a high-efficiency electric hydraulic pump (90%+ efficiency) with variable displacement control, paired with biodegradable hydraulic fluid (ISO VG 46) for eco-friendly operation. A smart energy management system optimizes energy storage based on launch frequency, ensuring 100+ launches on a single battery charge (48V lithium-ion, 20 kWh). The catapult's carbon fiber composite frame reduces weight by 40% while maintaining structural rigidity, suitable for solar-powered remote monitoring stations and military forward operating bases. Contact us for life cycle analysis reports or view our energy recovery efficiency test results at [https://www.uranustj.com/].