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Forum:	Space Shuttles - Space Station
Topic:	STS-124: Discovery carries Hope for a new era

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Your Reply: HTML is ON UBB Code is ON Smilies Legend	[QUOTE]Originally posted by Robert Pearlman: [B] [QUOTE]Originally posted by Ricky Thompson: [b]Is it normal for them to break up upon impact with the water?[/b][/QUOTE] It depends upon the definition of "break up". <BLOCKQUOTE>The nose cap of each booster is jettisoned at an altitude of 2.9 statute miles (2.5 nautical miles/4.6 kilometers) and deploys the pilot parachute. The pilot parachute immediately deploys the drogue parachute which is attached to the top of the frustum, the cone-shaped structure at the forward end of the booster. At an altitude of 1.3 statute miles (1.1 nautical miles/2.1 kilometers), the frustums separate from the boosters. This releases three main parachutes housed within the frustums. It is these chutes that will quickly slow the booster's speed from 230 miles per hour (370.1 kilometers an hour) to a speed of 51 miles per hour (82.1 kilometers per hour). At approximately seven minutes after liftoff, the boosters will impact the Atlantic Ocean.</BLOCKQUOTE> So there are parts that separate, though the timeline doesn't seem to match what you are describing. I have asked here (at the KSC press site) and the reports thus far are all negative for any anomalies. [b]Addendum:[/b] By coincidence, there were several members of ATK's management at the restaurant where we had dinner tonight. Among them was the ATK representative who was on console for the launch. He said definitively that the solid rocket boosters were intact<a name="fd02">.</a>[/B][/QUOTE]
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