What is the approximate highest specific impulse achievable by liquid hydrogen and liquid oxygen systems in a vacuum?
Answer
Around 450 seconds
Liquid hydrogen and liquid oxygen systems consistently achieve the highest specific impulse values among conventional chemical rockets, frequently reaching values around 450 seconds when operating in a vacuum.
Related Questions
What property of liquid hydrogen makes it the performance king among rocket fuels based on mass?Which metric is most crucial in rocketry to quantify propellant efficiency, measured in seconds?What is the approximate highest specific impulse achievable by liquid hydrogen and liquid oxygen systems in a vacuum?What is the only byproduct when liquid hydrogen burns with liquid oxygen?What is the primary physical drawback that complicates the widespread adoption of liquid hydrogen?What engineering implication arises directly from the low density of $ ext{LH}_2$?What specific challenge does the super-cooling required for $ ext{LH}_2$ introduce over time, especially on long missions?At what temperature must liquid hydrogen be maintained?Why are denser fuels like $ ext{RP-1}$ often favored for the first stages of launch vehicles?Where does the use of $ ext{LH}_2/ ext{LOX}$ provide the greatest advantage in a typical launch vehicle architecture?What standard industrial method for producing hydrogen releases carbon dioxide?