Evaluating airliner performance, part 1.
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Bjorn’s Corner: USAF Tanker program
By Bjorn Fehrm 25 September 2015, ©. Leeham Co: When Scott Hamilton asked me to give my view on his article “Pontifications: Duelling refuelling tankers” I accepted. I was not involved in the project...
View ArticleEvaluating airliner performance, Part 2
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Bjorn’s Corner: Engine ratings
By Bjorn Fehrm 02 October 2015, ©. Leeham Co: After the article about the role of bypass ratio on a turbofan’s efficiency, we now look at other aspects of civil turbofan engines that are worth some...
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Bjorn’s Corner: Engine rubbing
09 October 2015, ©. Leeham Co: Last week an Airbus A320neo prototype with Pratt & Whitney’s (PW) GTF had a problem while testing hot and high conditions at Al-Ain airport in Abu Dhabi. The engine...
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Pontifications: Is the end in sight for program accounting?
By Scott Hamilton Oct. 26, 2015, © Leeham Co.: Is the end of program accounting, the staple of The Boeing Co. profit and loss reporting, on its way out? It is in Europe, where it is called contract...
View ArticleUsed B777-200ER or A340-300?
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View ArticleUsed B777-200ER or A340-300, Part 2
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View ArticleUsed B777-200ER or A340-300, Part 3
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Bjorn’s Corner: Twins or quads?
By Bjorn Fehrm 11 December 2015, ©. Leeham Co: The debate over two or four engines for long range aircraft is as old as the jet airliner. A number of myths have been pedaled over the years over the...
View ArticleHow good is a used 767-300ER, Part 2
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View ArticleHow good is a used 767-300ER? Part 3
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View ArticleHow good is a used 767-300ER? Part 4
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Bjorn’s Corner: What did we learn in 2015; engines
By Bjorn Fehrm 15 January 2016, ©. Leeham Co: Last week we looked back on what happened in 2015 on the airframe front. We finish the retrospective by looking at what turbofan engine technology came to...
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IAG is looking at leasing used A380s
By Bjorn Fehrm 18 January 2016, ©. Leeham Co in Dublin: Willie Walsh, the CEO of IAG (which is the holding of Brittish Airways, IBERIA, Vueling and Air Lingus) spoke at the Growth Frontiers 2016...
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PNAA Day 2: Cautionary note raised
Feb. 10, 2016: Today is the second of three days of conference meetings organized by the Pacific Northwest Aerospace Alliance (PNAA), in Lynnwood (WA). We’re providing live reporting throughout the...
View ArticleRolls-Royce, short and long term outlook
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ISTAT Day 1: Used 777 values depend on engines, leases
Feb. 29, 2016 (c) Leeham Co.: The Boeing 777-200ER is not worth $7.7m or even $10m, but $37m to $47m, according to four appraisers who appeared today at the ISTAT AGM. We’re at the 2016 ISTAT AGM in...
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ISTAT Day 1: Engine updates for CFM, GE, RR and PW
Feb. 29, 2016, (c) Leeham Co.: The LEAP engine, for the Boeing 737 MAX, Airbus A320neo and COMAC C919 is the fastest-selling engine in history, says Jean-Paul Ebanga, the president of CFM...
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Bjorn’s Corner: Engine architectures
4 March 2016, ©. Leeham Co: There is a saying, “There’s more than one way to skin a cat.” The same goes for making successful Turbofans to commercial aircraft. At the recent Pacific Northwest Aerospace...
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