Pontifications: Doubts continue over Boeing NMA launch

March 4, 2019, © Leeham News: Another week, another NMA story. For an airplane that doesn’t exist, the prospective Boeing NMA continues to dominate much of the aerospace news. Last week’s announcement by Rolls-Royce that it withdrew—in December,… Read More

Pontifications: GTF faces steep learning curve on costs

June 13, 2016, © Leeham Co.: The current cost to build the new Pratt & Whitney Geared Turbo Fan engine is $10m per engine. This has to come down by a factor of five, said Greg Hayes, the… Read More