Re:Airbus and Boeing are exploring the viability of electric...
by mrfusion on Sunday April 08, 2018 @05:05PM
(#16788398)
I feel like it would chop up
The air too much for the second propeller?
[ Parent
| on HN ]
Re:Airbus and Boeing are exploring the viability of electric...
by andlier on Sunday April 08, 2018 @05:25PM
(#16788503)
The issue with the «chopping» is noise level. Counter rotating propellers are more efficient than a single propeller. «Contra-rotating propellers have been found to be between 6% and 16% more efficient than normal propellers.» https://en.m.wikipedia.org/wiki/Contra-rotating_propellers