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Latest Spacecraft propulsion Stories

Ask An Expert – The Woodward Effect
2012-11-26 08:05:01

John P. Millis, Ph.D. for redOrbit.com — Your Universe Online This article is the latest installment in a new series where redOrbit´s in-house experts will answer questions submitted by you, the reader. Got a science or space question that´s stumping you? Each week we´ll select a handful of the wiliest questions you can whip up to tease the brains of our resident gurus (we call them ℠geeks´). Question: The Woodward effect is a weird result of General...

Rocket Fuel Used To Build Clean Cars
2012-11-02 10:44:16

ESA Austrian manufacturer MagnaSteyr has adapted technology developed for the Ariane rocket to build clean-burning cars that can use hydrogen instead of petrol for fuel. Hydrogen is the smallest molecule in the Universe. That makes keeping it in one place very, very difficult. To tap its tremendous potential as a fuel, spacecraft must be able to store liquid hydrogen at extremely low temperatures, then feed it smoothly to rocket engines. When ESA was developing its hydrogen-fuelled...

August X-51A Test Flight Crash Likely Due To Unlocked Actuator
2012-10-25 07:49:43

Lawrence LeBlond for redOrbit.com - Your Universe Online On August 14, 2012 the US Air Force conducted a scheduled test flight of its experimental X-51A Waverider aircraft. But the test ended in failure, with the plane crashing into the Pacific Ocean. Details of the failed flight were not provided at the time, and it was unclear if experiments would continue. Now, more than 2 months after that failed test, the Air Force has come forward and explained why the experimental hypersonic...

2012-10-02 08:41:03

NASA has awarded three contracts totaling $137.3 million to improve the affordability, reliability and performance of an advanced booster for the Space Launch System (SLS). The awardees will develop engineering demonstrations and risk reduction concepts for a future version of the SLS, a heavy-lift rocket that will provide an entirely new capability for human exploration beyond low Earth orbit. The initial 77-ton (70-metric-ton) SLS configuration will use two 5-segment solid rocket...

Hold Me Closer, Tiny Thruster
2012-08-17 13:13:07

Michael Harper for redOrbit.com — Your Universe Online Some MIT engineers have taken the old cliche “Good things come in small packages” to heart, creating a rocket thruster no larger than an American penny or postage stamp. These thrusters, which operate on jets of ion beams, could soon power some of the tiniest satellites in space. These “micro thrusters” were created by Paulo Lozano, an associate professor of aeronautics and astronautics at MIT....

2012-08-16 08:58:44

NASA has selected a team led by Ball Aerospace & Technologies Corporation of Boulder, Colo., for a technology demonstration of a high performance "green" propellant alternative to the highly toxic fuel hydrazine. With this award, NASA opens a new era of innovative and non-toxic green fuels that are less harmful to our environment, have fewer operational hazards, and decrease the complexity and cost of launch processing. Today's use of hydrazine fuel for rockets, satellites and...

X-51A_Waverider-617x416
2012-08-15 20:42:35

Lee Rannals for redOrbit.com - Your Universe Online The Air Force's new aircraft of the future crashed during a hypersonic test flight, hitting a speed bump in the future of creating quick flights from New York to London. The X-51A WaveRider was designed to reach Mach 6, or 3,600 mph, after being dropped from a B-52 bomber. The aircraft underwent a test on Tuesday, and was brought out off the Southern California coast to experience a few minutes of flying at hypersonic speeds....


Latest Spacecraft propulsion Reference Libraries

6_e1c9b89b48eaf2af7055b7bbebf1a19c2
2004-10-19 04:45:41

Escape Velocity -- An escape velocity is the minimum speed at which an object without propulsion can move away from a source of a gravitational field indefinitely if there is no friction. This definition may need modification for the practical problem of two or more sources in some cases. In any case, the object is assumed to be a point with a mass that is negligible compared with that of the source of the field, usually an excellent approximation. It is commonly described as the speed...

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