PPRuNe Forums - View Single Post - Contra-rotating helicopter now based on Mars

19th Apr 2021, 21:13

#57 (permalink)

retoocs

Join Date: May 2016

Location: USA

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Quote:

Originally Posted by Arnie Madsen

4 pound helicopter that requires 10 pilots .
This is progress ??

Flying with rotor blades in atmospheric pressure of 0.095 psi is impressive, equivalent of over 100,000 ft.

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