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Space Shuttle Booster Recovery  
User currently offlinejetblueguy22 From United States of America, joined Nov 2007, 2783 posts, RR: 4
Posted (1 year 5 months 2 days 21 hours ago) and read 3265 times:
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I've seen a couple videos with recovery crews getting the SRBs from the Shuttle but I always found it interesting that they float. I have to imagine they weigh quite a bit. What makes them so buoyant? Is it just because the tanks are empty of fuel? I noticed they would pump water out of the nozzle so I'm not too sure if it could really be just the empty tanks.
Thanks!
Pat


You push down on that yoke, the houses get bigger, you pull back on the yoke, the houses get bigger- Ken Foltz
2 replies: All unread, jump to last
 
User currently offlineBEG2IAH From United States of America, joined Apr 2004, 950 posts, RR: 18
Reply 1, posted (1 year 5 months 2 days 21 hours ago) and read 3253 times:
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Here's a good explanation, straight from the source: http://science.ksc.nasa.gov/shuttle/technology/sts-newsref/srb.html

Excerpt: Water impact occurs 295 seconds after separation at a velocity of 81 feet per second. The water impact range is approximately 140 miles off the eastern coast of Florida. Because the parachutes provide for a nozzlefirst impact, air is trapped in the empty (burned out) motor casing, causing the booster to float with the forward end approximately 30 feet out of the water.



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User currently offlinejetblueguy22 From United States of America, joined Nov 2007, 2783 posts, RR: 4
Reply 2, posted (1 year 5 months 2 days 19 hours ago) and read 3233 times:
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Very interesting link! Thank you for posting that. Pretty amazing how they were able to accomplish it. I know space flight is high tech, but the things they come up with always amaze me!
Pat



You push down on that yoke, the houses get bigger, you pull back on the yoke, the houses get bigger- Ken Foltz
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