ATK and Nasa have completed the installation of the Ares I first stage five-segment development motor (DM-2) in preparation for its static-fire test in early September 2010.
The Ares I first stage is the largest solid rocket motor built to date.
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The motor, 154ft in length and 12ft in diameter, has been installed horizontally in a specialised test stand.
Results from the test will be compared with data from the ground test of the first five-segment motor and Ares I-X test flight both completed last year.
Based on the design of the solid rocket boosters on the space shuttle programme, the Ares I has been upgraded and includes the addition of a fifth segment, changes to the propellant grain, a larger nozzle opening and upgraded insulation and liner.
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By GlobalData
