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Lufthansa Rolls Out Sharkskin Film on Aircraft to Reduce EmissionsLufthansa Technik, the airline's maintenance and aircraft overhaul division, has begun rolling out a special film applied to the outer fuselages of it's planes that will reduce emissions and produce additional benefits. (skygofly.com) More...
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What was nowhere stated is how much weight the skin adds to the aircraft and how much additional speed can be gained from the reduced drag at different power settings. The savings per flight seem to be small but overall cumulative savings per year in terms of reduced fuel consumption seem to be quite significant.