10-19-2010, 09:17 PM
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NAR #78048 L1 - Life Member
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Join Date: Feb 2005
Location: Mars, PA
Posts: 740
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Quote:
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Originally Posted by Doug Sams
<grumble, grumble, wrong side of bed, etc...>
Long shock cords: Whoever came up with the foul notion that making the shock cord longer solves the problem of high speed deployment needs to take a high school course in physics. If your rocket is plunging toward the earth at 400mph, I don't care if the shock cord is 300 feet long, when the rocket gets to the end of the cord, there's gonna be one heckuva a jerk on the airframe, the suspension lines and the recovery harness. You can quote me on that.
< grumble, grumble, bad hair day, etc... (wish I could have bad hair...)>
Doug...feeling rather curmudgeonly...
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All true; but I will say that in my experience, the occasional long shock cord has, on more than one occasion, made for me the difference between retrieving or leaving a rocket in a tree. I'm just saying...
__________________
John
YORF #003
SAM #004
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