Bjorn’s Corner: Sustainable Air Transport. Part 1. A deeper look.

January 7, 2021, ©. Leeham News: We finished a 34 article series before Christmas about the enormous work involved to get a new aircraft certified for passenger transport. It was a background article series to the one we… Read More

The true cost of Electric Aircraft. Part 2.

Subscription Required By Bjorn Fehrm Introduction   July 8, 2021, © Leeham News: Last week, we looked at the cost of running an electric 19 seat airliner based on energy stored in batteries. We found the energy costs were… Read More

Bjorn’s Corner: The challenges of hydrogen. Part 24. Propulsion choice

February 12, 2021, ©. Leeham News: After covering the basics of fuel cells last week in our hydrogen airliner series, we now look at what type of system to choose for aircraft propulsion and onboard systems power. We… Read More

Airbus, Boeing diverge on technology for next new airplane

Subscription Required By Scott Hamilton Introduction Feb. 1, 2021, © Leeham News: Airbus and Boeing are diverging on paths for a sustainable, reduced emissions strategy for the next new airplanes. The stakes are high: billions of dollars in… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 8. Fuel cell electric or Turbofan propulsion?

September 11, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at whether we use an LH2 burning Turbofan as propulsion or as the EU study proposed, a Parallel Hybrid… Read More

Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 17. High hanging fruit.

April 10, 2020, ©. Leeham News: We have since December 13, discussed why e in ePlane should not stand for electric and covered a lot of areas explaining why electric aircraft or hybrids are not the best way… Read More

Bjorn’s Corner: Why e in ePlane shall stand for environment, Part 9. Hydrogen, cont.

February 14, 2020, ©. Leeham News: Last week we started looking at hydrogen as an alternative energy source for our air transport system. We discussed the use of hydrogen as a direct fuel replacement to jet fuel, burning… Read More

Bjorn’s Corner: Electric aircraft, Part 1

June 30, 2017, ©. Leeham Co: One of the areas I explored while at Paris Air Show last week was electric aircraft technology. With electric aircraft, we mean an aircraft where the propeller/fan is driven my an electrical motor…. Read More