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Old 05-06-2012, 09:36 PM
Quartz Quartz is offline
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Join Date: Jan 2003
Location: Home of the haggis
Posts: 27,146
Quote:
Originally Posted by Chronos View Post
As for either versus propellers, it depends on what the thing they're driving is.
Are we not able to measure the noise, energy, and other efficiencies of a whale's fluke?

Quote:
A flexible-tailed submarine would be an engineering nightmare
That's for another thread.