BigBoreFour
January 25, 2023, 21:48:00 GMT
permalink Post: 11373823

I'm curious how the shorter legs worked, such as the Washington to Miami (also Dallas at one point?) flight. Did it go supersonic on a 'shorter' flight? Was there a minimum leg distance needed for the Concorde to fly supersonic? And was there an 'optimum' altitude when it was only subsonic? Could it fly comfortably (fuel efficient) at Mach One point something as opposed to 2.0 where I thought it was probably designed to operate?

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BigBoreFour
January 27, 2023, 05:18:00 GMT
permalink Post: 11374753

Quote:

Originally Posted by pattern_is_full

There are folks here who can correct me, but in the meantime, what I think I know is....
.

Oh interesting stuff. Thank you so much.

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BigBoreFour
January 28, 2023, 01:48:00 GMT
permalink Post: 11375443

Whoa. Nice.
Optimum altitude subsonic at MTOW is FL250 in the Concorde. Who would've thought?

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BigBoreFour
January 31, 2023, 23:33:00 GMT
permalink Post: 11377681

Quote:

Originally Posted by EXWOK

BIG BORE FOUR -

Remember we were never at MTOW for long in this machine! Initial subsonic cruise ex-LHR was 280-300. In the case of engine failure enroute, it usually ended up in the mid-30's (with its subsonic 4 engined contemporaries).

The process explained in the extract from the OM is worth thinking about...you fly Mach, but the IAS still plays a dominant role on drag as you climb. Most unlike conventional types.

Makes perfect sense (not easy for my small brain)

Thank you. Appreciate it.

Subjects Engine Failure IAS (Indicated Air Speed)

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BigBoreFour
August 05, 2023, 16:33:00 GMT
permalink Post: 11479888

If it didn’t crash, would any airline(s) still fly it today? Or would the economics have become too much for it to continue?

Subjects Air France 4590

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