Bypass Operation

Perrett, Bradley; Norris, Guy
September 2007
Aviation Week & Space Technology;9/10/2007, Vol. 167 Issue 10, p54
Trade Publication
The article reports on Bombardier's review of aircraft engines from Rolls-Royce, Pratt & Whitney and CFM International which offer bypass ratios of around 10:1 for its proposed CSeries airliner. Bombardier hopes to choose one of the engines, or maybe two, by the end of 2007 as it works toward a launch decision on the 110- and 130-seat airliner within 12 months. The engines are said to be good enough to achieve the target of consuming 20% less fuel than current aircraft in the category.


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