Shuttle Boosters News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The three main engines have been throttled down to 72% of thrust as the orbiter pass through the dynamic pressure on the vehicle in the lower atmosphere. engines going to throttle back up. >> you are go at throttle up, atlantis. >> go at throttle up. >> all three engines looking really good. back at full throttle. the fully fueled shuttle boosters, 4.5 million pounds has burned half of that liftoff weight in propellant. 1 minute 30 seconds into the flight. the units that provide power to

The three main engines on "atlantis" have now been throttled down to 72% of rated thrust as the orbiter prepares to pass through the area of maximum dynamic pressure on the vehicle in the lower atmosphere. engines now beginning to throttle back up. >> "atlantis" you are go at throttle up. >> go on throttle up. >> all three engines looking really good back at full throttle now at liftoff, the fully fueled shuttle boosters and external tank weighed 4.5 million pounds. it now has burned half of that liftoff weight in propellant.