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 | | From: | oookhc at hotmail.com | | Subject: | helicopter design | | Date: | Tue, 11 Jan 2005 11:31:55 -0800 |
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> From the momentum point of view, having more blades means
> having more momentum when you have the same RPMs. The
> advantage is: it is more stable; the drawback is that it is not energy
> efficient when you want to change.
You might as well take a look at
http://www.ScienceOxygen.com/aviation204.html
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