Re: Braking

Date:         09 May 97 03:29:00 
From:         dzul@theos.com (dzul)
Organization: Singapore Telecom Internet Service
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In message <airliners.1997.1062@ohare.Chicago.COM> - "Thomas.Enblom"
<thomas.enblom@era.ericsson.se> writes:

>Are there other rules except for runway length that decides which
>braking technique to use?
>
>How much runway length is needed for an air braking B747-400 compared
>to using thrust reversers?

some noise sensitive european airports prohibits usage of the reverse trust
(excepy in emergency circumstances) in the early morning hours.

length of runway required depends on the landing weight (among other things).
also if u are using only your wheel brakes, u need to consider the landing
weight, the turn around time and air temperature.

if the wheel brakes gets too hot (if u do not use the reverse thrust), u need
a lot of time to cool them off.

dzul

email: dzul@theos.com
webpage : http://theos.com/~dzul