PPRuNe Forums - View Single Post - Question regarding fuel consumption at higher altitude

23rd December 2011 | 22:54

#2 (permalink)

rudderrudderrat

Joined: Oct 2009

Posts: 1,270

Likes: 0

From: UK

Hi LikeABoss,

Quote:

but above that, where air is even thinner, why exactly would you burn more fuel.

Because you'll probably exceed Mach Crit.

See Bookworm's explanation: http://www.pprune.org/tech-log/45327...speed-jet.html of best IAS.

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