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  1. #1
    DF Super Moderator BertRoot's Avatar
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    Tech NASA to test flying saucer

    Keep an eye on the skies over Hawaii on Wednesday. If all goes to plan, [Only registered and activated users can see links. ] will be testing out a saucer-shaped craft that could hold the key to a future human mission to Mars.The test flight was originally scheduled for Tuesday but was postponed because of unfavorable ocean conditions. The craft will splash down in the sea, so operators need to be able to recover it safely.
    If conditions are suitable Wednesday, an enormous balloon will lift the test vehicle carrying the disc-like Low-Density Supersonic Decelerator, or LDSD, to a height of 120,000 feet, or more than 20 miles (32 kilometers), above Earth.
    Then, mission controllers will set the LDSD free to fire its rockets and try out the centerpiece of the test: a giant supersonic parachute, measuring 100 feet (30 meters) across.
    For those on the ground, live video will be relayed from four cameras aboard the pioneering saucer-shaped craft.
    "You get to see all the same video I do, at the same time I do," Mark Adler, project manager at NASA's Jet Propulsion Laboratory in Pasadena, California, said in an [Only registered and activated users can see links. ].
    "This year's test is centered on how our newly designed supersonic parachute will perform. We think we have a great design ready for the challenge, but the proof is in the pudding and the pudding will be made live for everyone to see."
    Updating decades-old technology

    Last year, when the LDSD was [Only registered and activated users can see links. ] -- also launched from the U.S. Navy's Pacific Missile Range facility in Kauai, Hawaii -- the deployment of the parachute was the only fly in the ointment, when it didn't inflate as expected.
    This time around, a new design is being tested: the Supersonic Ringsail parachute, which NASA says is the largest supersonic parachute ever tested for use on Mars.
    Current technology for decelerating from high speeds during reentry into the atmosphere to the final stages of landing on Mars dates back to NASA's Viking Program, which put two landers on the Martian surface in 1976.
    The basic Viking parachute design has been used ever since. It was successfully used again in 2012 to deliver the rover Curiosity to Mars.
    NASA will need new and improved landing technologies to handle the larger spaceships of tomorrow and land them on rocky surfaces, as well as at higher altitudes.
    Atmospheric drag

    NASA scientists hope this saucer-shaped craft could be the key.
    "As NASA plans ambitious robotic science [Only registered and activated users can see links. ], laying the groundwork for even more complex human expeditions to come, the spacecraft needed to land safely on the Red Planet's surface will become larger and heavier in order to accommodate explorers' extended stays on the Martian surface," the agency's website said.
    This means the supersonic parachute will have its work cut out to create sufficient atmospheric drag to slow the vehicles down so they can be landed safely. Using drag for deceleration means precious fuel can be saved for landing maneuvers.
    A third test flight for the LDSD is scheduled for the summer of 2016.

    [Only registered and activated users can see links. ]

    2 Thanks given to BertRoot

    Ashley (3rd June 2015), mitchb (3rd June 2015) 


  2. #2
    DF VIP Member mitchb's Avatar
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    Default Re: NASA to test flying saucer

    Wow, where did they get the idea for saucer shaped ships , I wonder

  3. #3
    DF Super Moderator DJ Overdose's Avatar
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    Default Re: NASA to test flying saucer

    Great. How are we supposed to spot ufos now?


    DJ OD
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    Thanks to DJ Overdose

    BertRoot (3rd June 2015) 


  4. #4
    DF Moderator {{909}}'s Avatar
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    Default Re: NASA to test flying saucer

    Quote Originally Posted by mitchb View Post
    Wow, where did they get the idea for saucer shaped ships , I wonder

    people only started 'seeing' saucers after roswell, before that it was cigar shaped objects, triangles or balls, which people almost instantly stopped 'seeing' after roswell.
    [Only registered and activated users can see links. ]

  5. #5
    DF PlaYa lagigolo's Avatar
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    Default Re: NASA to test flying saucer

    I don't think that shape suits rockets, they will probably flick on anti-gravity once they are out of sight.

  6. #6
    DF Jedi doughboy's Avatar
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    Default Re: NASA to test flying saucer

    Since space is an alleged vacuum the shape is irrelevant.

    Could be a saucer, rocket or even planet shaped

    Surely then they'd have to build these things up there and use more traditional propulsion to get to them.

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