In Space Flight Simulator, creating a rocket that can achieve orbit requires careful design and planning. Here are the general steps to create such a rocket: Launch Vehicle Design: Start with a basic design: Begin with a simple rocket design, consisting of a command module (with a pilot), a fuel tank, and an engine. Payload and Staging: Determine your payload: Decide what you want to place in orbit (e.g., a satellite, space station, or crewed capsule). The mass of the payload will influence your rocket design. Use staging: Set up multiple stages in your rocket. Start with the lower stage(s) for liftoff and ascent, and then have upper stages for reaching orbit. Engine Selection: Choose appropriate engines: Select engines with enough thrust for each stage. Lower stages should provide high thrust for liftoff, while upper stages should be more efficient. Fuel and Propulsion: Decide on propellants: Choose between liquid or solid fuel, or a combination. Liquid fuel engines offer more control but require additional systems. Aerodynamics: Consider aerodynamics: Ensure your rocket is aerodynamically stable for a safe ascent through the atmosphere. Use nose cones and fins if needed. Ascent Profile: Plan your ascent: Follow a gradual ascent profile, gradually tilting towards the horizon as you gain altitude. Avoid steep angles initially. Orbit Insertion: Aim for orbit: When you reach your desired altitude, shut down the lower stage engines and ignite the upper stage engines to achieve orbital velocity (about 7.8 km/s for low Earth orbit). Circularize Orbit: Once in orbit, perform a circularization burn at the apoapsis (highest point) of your orbit to achieve a stable circular orbit. Testing and Iteration: Test your rocket design, adjust parameters, and iterate as needed to improve performance. Remember, creating a successful orbital rocket in Space Flight Simulator may take some trial and error. It's important to understand the game's physics and mechanics to fine-tune your designs effectively. Good luck with your orbital endeavors!