The J80 engine is a type of jet engine designed for use in small aircraft and drones. It is known for its lightweight design and efficient fuel consumption, making it suitable for various aviation applications. The engine typically features a single-shaft design, which helps simplify maintenance and operation. This engine is often used in general aviation and unmanned aerial vehicles (UAVs) due to its reliability and performance. The J80 can provide a good balance of thrust and efficiency, allowing for longer flight times and better overall performance in the air.