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TwitterNASA Insists It Can Fix Flaw in Rocket Design, NY Times
"There is a potential to reach resonance in the vehicle," said Garry Lyles, associate director for engineering at NASA's Marshall Space Flight Center in Huntsville, Ala., who is head of the team. The calculations were based on data from ground tests on the shuttle boosters and some gathered during shuttle flights, as well as best guesses based on the preliminary design of Orion. The vibrations would not be violent enough to shake the rocket to pieces, he said. Rather, the concerns were that the vibrations could injure equipment or passengers, exceeding the limits specified in design documents."
