To: Jewbacca
The trade off is they tend to be slower and taller and have a pretty complex transmission. Not all coaxial rotors are slower. A coaxial design solves the retreating blade problem at high speed.
Sikorsky X2
12 posted on
04/09/2015 10:21:02 AM PDT by
Yo-Yo
(Is the /sarc tag really necessary?)
To: Yo-Yo
Look at the prop in the back (and the tail and the shape of the fuselage). That’s 1/2 an airplane.
13 posted on
04/09/2015 1:10:18 PM PDT by
Jewbacca
(The residents of Iroquois territory may not determine whether Jews may live in Jerusalem)
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