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 3

By Bjorn Fehrm Subscription required Introduction December 08, 2016, ©. Leeham Co: Boom Technology and Virgin Atlantic plan to offer supersonic business class passenger traffic over the Atlantic. We covered the type of challenges that this poses in previous… Read More

Bjorn’s Corner: Turbofan engine challenges, Part 5

By Bjorn Fehrm December 02, 2016, ©. Leeham Co: We will now look at the combustor area in our series on modern turbofan engines. There is a lot of activity in this area, as it sets the level of… Read More

The Boom SST engine problem

By Bjorn Fehrm Subscription required Introduction November 28, 2016, ©. Leeham Co: We covered Boom Technology’s and Virgin Atlantic’s plans to offer supersonic business class passenger traffic over the Atlantic in recent articles. In the first article, we focused… Read More

Resurgence for ERJ-145

Note: Nov. 24 and 25 are Thanksgiving Holidays in the US. Our next post will be Monday. Subscription Required Introduction Nov. 23, 2016, © Leeham Co.: The 50-seat regional jet market is dead. That’s the conventional wisdom. Well,… 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

Bjorn’s corner; Turbofan engine challenges; Part 2

November 04, 2016, ©. Leeham Co: We will now start to go through a modern turbofan airliner engine and look at the technologies which are used and what are their technical challenges. We will start today with the engine… Read More

Engine industry clamoring for road back

By Bjorn Fehrm Subscription required. Introduction October 13, 2016, ©. Leeham Co: The airline engine industry is like a ticking bomb. Over the years, a business practice of selling the engines under manufacturing cost and planning to recover… Read More

Airline assets and lessor assets

Subscription required Introduction Part 1: The Big Two OEMs Oct. 3, 2016, © Leeham Co.: There are airline assets and there are leasing assets. That’s a good airplane but it’s not a good leasing asset. These are the… Read More