2017: the year ahead

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Bjorn’s Corner; Turbofan engine challenges, Part 7

December 16, 2016, ©. Leeham Co: After the turbine comes the engine’s exhaust system. This is where the thrust characteristics of the engine are formed. It is also the environment that defines the back pressure for the fan and… Read More

Bjorn’s Corner; Turbofan engine challenges; Part 6

December 08, 2016, ©. Leeham Co: We have now come to the turbine in our trip through a modern turbofan.  The turbines make up the rear of the engine, before the propelling nozzle. The turbines are the workhorses in… Read More

The Boom SST engine problem, Part 2

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Pontifications: A fresh perspective at Boeing Commercial is sorely needed

Nov. 28, 2016, © Leeham Co.: Boeing last week named an outsider, Kevin McAllister, as the chief executive officer of Boeing Commercial Aircraft (BCA). I think this has the potential to be an invigorating move. McAllister comes to… Read More

The Boom SST engine problem

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Boeing’s Conner steps down, successor named from GE Aviation

Nov. 21, 2016: Boeing today announced that Ray Conner will retire as CEO of Boeing Commercial Airplanes well ahead of his Dec. 31, 2017, contract date. Kevin McAllister of GE Aviation Services was named as his successor. Boeing… Read More

Bjorn’s Corner: Turbofan engine challenges, Part 4

  November 18, 2016, ©. Leeham Co: In our series on modern turbofan airliner engines, we will now go deeper into the compressor part. Last week, we covered the fundamentals of compressors. As compressors and turbines use the same… Read More

Bjorn’s Corner: Turbofan engine challenges, Part 3

November 12, 2016, ©. Leeham Co: In our trip through a modern turbofan airliner engine and its technologies, we looked last week at the engine intake and the fan. We now continue with the compressor parts. As compressors and… Read More

Engine industry clamoring for road back

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