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jimtoberfest t1_iqtesaw wrote

Reply to comment by bstrauss3 in [OC] Supersonic Inefficiency: Why the Concorde Was Decommissioned by haboo213

Not sure what RR is doing they have dropped out of a lot of high profile projects recently. Some of which clearly have economic value. They must be streamlining operations or something internally / gearing up for other markets.

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bstrauss3 t1_iqtg2g9 wrote

Takes a lot of money to build the engines, get them approved by the a/c manufacturer and the FAA, make and sell spare parts, etc.

There is also a power-by-the-hour concept in the industry... so you have to own the hardware to lease it out.

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jimtoberfest t1_iqtgo41 wrote

Yeah it’s strange because the F-135 from Pratt seems like the beginning of the ideal engine here.

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