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Questions tagged [double-bubble-d8]

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1 vote
3 answers
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Could the Aurora D8 have Ramjets instead of traditional jet engines?

By the design of the Aurora D8, the engines would receive the boundary layer of air atop the fuselage, however, because jets have what I am calling "moving parts", and the pressure differences would ...
Rauligio's user avatar
1 vote
0 answers
87 views

Are there any performance details available for the D8 Double Bubble engines?

For the D8 Double Bubble, what are the thrust requirements for the engines? Has it been stated what the estimated max thrust will be for each engine? Source: sputniknews.com
SRawes's user avatar
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11 votes
4 answers
5k views

How is the D8 Double Bubble aircraft by NASA so efficient?

How does the 'double bubble' fuselage cross-section of the "Double Bubble D8" aircraft (developed by MIT for NASA) help improve overall efficiency by around 70%? Image credit: NASA/MIT/Aurora Flight ...
Victor Juliet's user avatar