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| | This New Ocean - Ch10-7 |
 | | Of a total of 71 Redstone booster flights (including 4 Mercury-Redstone) through March 24, 1961, only 10, or 14.1 percent, were classed as failures by the latest revision of a composite document prepared under W. Mrazek, Director, Structures and Mechanics Division: "Redstone Vehicle Malfunction Study (Mercury-Redstone Program)", MSFC report No. DSD-TM-12-60, Rev. |
 | | The foremost cause of previous Redstone booster overaccelerations was a small servo control valve that had failed to regulate properly the flow of hydrogen peroxide to the steam generator, which in turn powered, and in the case of MR-1A and MR-2 overpowered, the fuel pumps. |
 | | MR-BD might have been that first flight had it been "MR-3," as originally scheduled, but the decision of a month before froze the Mercury-Redstone schedule for at least two months afterward. |
| www.hq.nasa.gov /office/pao/History/SP-4201/ch10-7.htm (336 words) |
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