GO AT THROTTLE UP!
Once through max q the main engines are throttled up to 104% of their rated thrust and the crew receives a “go at throttle up” call from mission control. Now the SSME’s are putting out over 480,000 pounds of force and consuming almost 1,100 gallons (3,257 lbs) of propellant a second (this is in addition to the solid rocket boosters that each burn through their million pounds of fuel in the two minutes they are firing) as they carry the shuttle from about 1,600 mph to the 17,000 mph required to reach orbit. All of this happens within eight and a half minutes of liftoff.
Edited by I Lo Li 愛樂利, 09 July 2013 - 03:00 AM.


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