What is the predicted fuel burn of the 'Silent' Aircraft?

In addition to quiet, analysis suggests high fuel efficiency.

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passenger miles per UK gallon
Mach * Lift/Drag
SAX-40
~149
20.1
Toyota Prius Hybrid Car
~144 w/ 2 people
-
Boeing 777
103 - 121
17.0
Boeing 707
55 - 70
13.5

Graph comparing the fuel efficiency of the SAX-40 with conventional aircraft

Non-SAX data cited from Lee, Lukachko, Waitz, and Schafer (2001)

Emission predictions: total carbon and NOx

Low noise solution expected to have low pollutant emission
Low pollutant emission primarily a result of low aircraft fuel burn.

Chart showing

Total CO2 emission is 89.5 g per passenger-nm
Total NOX emission is 0.22 g per passenger-nm

SAX-40 FAQ:

What does the 'Silent' Aircraft concept design look like? | Why does the concept design look like this? | What are the major design features of the concept design? | What is the 'Silent' Aircraft predicted to sound like? | What is the predicted fuel burn of the 'Silent' Aircraft?

Last updated:06/11/06