It's Rdcket Science: Hybrid Rocket Engines Use AM to Combine the Advantages of Solid and Liquid Propellants

摘要

Today, solid rockets dominate most military applications because they take up relatively little space, can be launched at a moment's notice and offer a high thrust-to-weight ratio. Meanwhile, liquid bipropellant rockets enjoy the lion's share of orbital launch vehicle and spacecraft propulsion system use because they are more fuel efficient, offer a higher specific impulse and can be throttled and restarted when needed.