Re: Hot Wheels

Date:         05 Nov 99 00:04:23 
From:         Ernie Fidgeon <efidgeon@videon.wave.ca>
Organization: MBnet Networking Inc.
References:   1
Followups:    1 2
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"P. Wezeman" wrote:
>         I read in an article somewhere that heat buildup in the tire
> sidewalls can be a significant problem for airliners, I suppose because
> they want the landing gear to be as small and light as possible for
> a given load. According to the article, if a plane at near maximum
> weight had to taxi for a long distance on a hot day, they might have
> to wait for the tires to cool before takeoff in case they had to
> abort the takeoff and brake to a stop on the remaining runway: otherwise
> the heat from the brakes added to already hot tires could cause the
> tires to fail.

I believe there is a max temp limit on the brakes for retraction after
takeoff.  Also, brake performance drops as temp goes up.  So, the wait is
also required for this in case of an RTO.

--
EF