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    Spacefleet Ltd


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     First Step

    The EARL ProjectA sub-scale test vehicle has flown for the first time. While it gave some very useful data, some systems did not work, despite being tested on the ground before the flight.


    The EARL-D4QS quarter-scale vehicle, which was 75cm long, resembling a model aircraft, had a solid rocket motor that developed 50kg thrust for just over two seconds. Maximum height reached was 500m (~1500 ft) about the ground and the whole flight lasted around 16 seconds. It would have been much longer, but the automatic pilot failed, and so the vehicle followed a ballistic trajectory and came down hard. Two good things dig come out of the flight. Firstly, it was possible to obtain an experimental value for the aerodynamic coefficient of drag for the hull shape, and, secondly, the hull was found to be stable in flight, as the video from the hull showed.

    A second flight will be carried out, towards the end of this month (February 2015).




    Note: Spacefleet Ltd, Reev River Aerospace



    Associated Topics

    Rocketry

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