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A powerful new hydrogen-fueled American rocket
was fired in a recent ground test by Blue

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Origin. Mounted on a test stand at the company's
West Texas facility, the engine performed

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a full simulated suborbital mission profile,
igniting, throttling and restarting on command.

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Controller: Four, three, two, one, ignition.

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(Engine fire)

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The engine fired at full power for over two
minutes to simulate the launch phase, then

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paused for about four minutes, mimicking a
coast through space before it re-ignited for

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a brief final burn. The last phase of the
test covered the work the engine could perform

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in landing the booster back softly on Earth.

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The BE-3 reusable engine generates 110,000
pounds of thrust by burning a mixture of liquid

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oxygen and liquid hydrogen, the same propellants
used by the space shuttle's main engines.

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Blue Origin's Orbital Launch Vehicle will
use the BE-3 engine and eventually could be

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used to launch the company's Space Vehicle
into orbit.

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The Mission Duty Cycle test is the latest
step in maturing the BE-3 engine and comes

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less than a year after the engine's thrust
chamber was successfully tested at NASA's

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Stennis Space Center in Mississippi.

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Developing a new rocket engine is one of the
most difficult aspects of space launch because

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of the dynamics involved with creating a very
powerful machine that can safely operate over

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a wide range of temperatures. To achieve its
power, the BE-3 engine operates from minus -423

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degrees fahrenheit, the temperature of liquid
hydrogen, to more than 6,000 degrees during

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firing.

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Blue Origin is an American company working
with NASA's Commercial Crew Program to test