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Home Background 7 MILLION POUNDS OF THRUST, 77 MILLION HORSEPOWER, 17,500 MILES PER HOUR
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Thrust Characteristics at Liftoff

Element

Each

Total

SSME (3)
375,180
1,125,540
SRB (2)
3,070,000
6,140,000
Total
3,445,180
7,265,540

Vehicle Speed at Main Engine Cutoff 17,300-17,500 mph
SSME Thrust is at 100% RPL
Last Updated: July 20, 2006
Responsible NASA Official: Yolanda B. Harris
Curator: Shuttle Curator

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