Leeham News and Analysis
There's more to real news than a news release.
Leeham News and Analysis
- Bjorn’s Corner: Air Transport’s route to 2050. Part 25. June 6, 2025
- New RISE powerplant benefits from decades of GE research and development June 5, 2025
- Engine makers emphasizing durability, reliability June 4, 2025
- Boeing CEO: Lessons learned are key to certification of 737-7/10 and 777X June 2, 2025
- Digital twin is a key to JetZero’s hopes for Blended Wing Body entry June 2, 2025
Bjorn’s Corner: Engine efficiency revisited
18 December 2015, © Leeham Co:Part of the discussion following last week’s article around quad or twin engine airliner designs was about engine efficiency and specifically around the engine’s thermal efficiency as a function of Pressure Ratio, PR. I… Read More
Airbus passes Boeing in wide-body passenger aircraft sales
Dec. 8, 2015, © Leeham Co. Airbus surpassed Boeing in wide-body passenger orders through November, data released yesterday by Airbus shows. Airbus released its November YTD order book yesterday. Boeing last week updated its weekly order tallies through… Read More
737 MAX to roll out to Boeing product strategy challenges
Subscription Required Introduction The Boeing 737-8 rolls out tomorrow to challenges to Boeing’s product strategy. Image via Google images. Dec. 7, 2015, © Leeham Co: Boeing rolls out its first 737 MAX tomorrow to no press fanfare. Today… Read More
Boeing 737 rate hike factors
Boeing 737 factory in Renton (WA). Boeing rendering. Subscription Required Introduction Nov. 30, 2015, © Leeham Co.: As Boeing ponders whether to increase production rates of the 737 line beyond the previously announced 52/mo rate effective in 2018,… Read More