Questions tagged [double-bubble-d8]

For questions about the Double Bubble aircraft concept

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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
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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 ...