Engine Development. Part 5. The Turbofans go High Bypass

Subscription Required By Bjorn Fehrm Introduction September 15, 2022, © Leeham News: Last week, we looked at how Pratt & Whitney’s JT8D turbofan came to dominate short-haul airliners while the JT3D had the long-range market. The introduction of… Read More

Pontifications: The 747 revolutionized air travel

Feb. 11, 2019, © Leeham News: Few airplanes truly can be called revolutionary. Most are evolutionary. The Boeing 747 was one of those that falls into the former category. Just as the Boeing 707 revolutionized air travel, so… Read More

Pontifications: 49 years ago, the first 747 rolled out

Sept. 30, 2017, © Leeham Co.: Today is the 49th anniversary of the roll-out of the Boeing 747-100. On Nov. 7, United Airlines operates its last 747 flight. Delta Air Lines ends it 747 service this year. Afterward,… Read More

Pontifications: Revisionist history

Sept. 25, 2017, © Leeham Co.: The US Department of Commerce today is scheduled to release its decision on whether to impose tariffs on each Bombardier CS100 delivered to Delta Air Lines, starting this year. (The public announcement… Read More

C-17: the end of an era

Dec. 1,2015: The last C-17 flew off the Boeing production line in Long Beach (CA) last week, ending aircraft production at the former McDonnell Douglas plant that began delivering Douglas DC-8s at the start of the jet age…. Read More

Why US transport producers failed

Defense analyst Loren Thompson picks up the old refrain about Airbus subsidies running McDonnell Douglas and Lockheed out of the commercial airliner business. We add our thoughts at the end of his article. By Loren Thompson Airbus subsidies… Read More