Re: B747 technical questions

Date:         14 Jul 97 20:27:01 
From: (Darren Rhodes)
Organization: Loughborough University
References:   1 2 3
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On 13 Jul 97 01:25:50 , Jay Biederman <> wrote:
>Actually the tires are inflated with nitrogen gas. This is because the
>tire pressure stays fairly constant over large variations in
>temperature. Also, if I remember correctly, the tires are inflated to
>around 140 PSI.

For the 747-400 certified upto 394625kg the pressure is 205psi. The
MTOW has since been increased to 396893kg - not sure if this required
a increase in tyre pressure.

The heighest tyre pressures were on the B747-100B at 226psi.