LyrArc Article Gist
The engineering changes in the design of the 787 Boeing Dreamliner provide an experience in humidity levels, altitude levels, turbulence, and roominess that is not dramaically different but enough to provide a noticeably better experience. Nobumi Matsuda, who runs an eye clinic in Japan and is studying the eye health of pilots, says he expected more, that humidity levels were not enough. Boeing used the construction of the body of the jet using super strong plastics instead of aluminium, to create a small increase in humidity levels. The humidity level inside the Dreamlier is 10-15% compared to 4-7% in other airplanes. By pressurizing the cabin to lower altitudes there is a 6% increase in oxygen absorbed at the 6000 feet level at which it is set than the 8000 feet level, according to Boeing. Michael Grepo, a computer systems expert taking the Tokyo to Frankfurt flight on ANA, says he experienced an improvement in breathing, dryness of the nose and contact lens, but it was not a huge difference. Thorsten Hoffmann, a German sales executive says he did not notice till he got off the flight, when he realized that he felt good, had slept better. Othe changes are big overhead bins. The large windows are supposed to reduce motion sickness and provide great views on takeoff and landing. Boeing says "while it can be argued that the passenger comfort improvements are incremetal, the combination of so many improvements in one airplane is revolutionary in our opinion." At the customer level these are proving less revolutinary and more of a subtle type that add up to a noticeable improvement. Boeing now has on its hands a remarkable sales success, with 870 Dreamliners ordered by 59 of the world's airlines. A big factor from the airlines point of view is high fuel prices. The 787 is 20% more fuel efficient than the comparable size Boeing 767.