Re: Concorde Question?

From:         kls@ohare.Chicago.COM (Karl Swartz)
Organization: Chicago Software Works, Menlo Park, California
Date:         14 May 94 21:09:51 
References:   1 2 3 4
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In article <airliners.1994.1225@ohare.Chicago.COM>, wrote:>My Concorde book also says that the fuel has 3 uses (balance, cooling and
>propulsion). Most planes only have one use for the fuel although the SR71
>also uses it for cooling.

The longer-range Airbuses as well as the 747-400 (maybe the MD-11 too,
though I'm not sure) also use it for balance.  They can have fuel tanks
in their horizontal stabilizers that help reduce drag at cruise (hence
improve range) by moving the CG back, permitting reduced elevator trim.

Karl Swartz	|INet
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