PPRuNe Forums - View Single Post - Mach Crit for transport aircraft

17th April 2003 | 01:48

#30 (permalink)

BOAC

Per Ardua ad Astraeus

Joined: Mar 2000

Posts: 18,575

Likes: 4

From: UK

In my 737 experience, up to 0.78M cruise the overall fuel consumption for a trip varies little (due to the lower deck angle at higher speeds giving lower form drag) but above 0.78M it starts to 'guzzle'!