Ralphonsicus Messages 47 Reaction score 0 Thread starter Feb 13, 2012 #1 For example, in the SSET (Space Shuttle External Tank), how fast does the burnt fuel (liquid hydrogen and oxygen) exit the nozzle at its bottom?
For example, in the SSET (Space Shuttle External Tank), how fast does the burnt fuel (liquid hydrogen and oxygen) exit the nozzle at its bottom?
RocketSci5KN Messages 162 Reaction score 4 Feb 13, 2012 #2 http://en.wikipedia.org/wiki/Specific_impulse Find the sea level Isp for the shuttle mains and use this link to find equation for exit velocity.
http://en.wikipedia.org/wiki/Specific_impulse Find the sea level Isp for the shuttle mains and use this link to find equation for exit velocity.
cjl Science Advisor Messages 2,001 Reaction score 612 Feb 13, 2012 #3 For a shuttle main engine, about 4300 m/s (if I'm remembering right...). For the solid boosters attached to the shuttle, it's more like 2400 m/s. Most large rocket motors will fall somewhere in this range.
For a shuttle main engine, about 4300 m/s (if I'm remembering right...). For the solid boosters attached to the shuttle, it's more like 2400 m/s. Most large rocket motors will fall somewhere in this range.