Concorde tyres

Date:         16 Mar 2001 05:56:25 
From:         Pete Mellor <>
Followups:    1 2 3
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Dear all,

There have been a number of different reports about how (and/or "if")
tyre failure contributed to the recent crash of Concorde.

A few queries to the list:-

1. How come *any* aircaft tyre fails catastrophically? Surely fuse
   plugs should ensure that a tyre fails in a controlled and
   predictable fashion if overstressed?

2. One newspaper reported that experts from the Goodyear Co. had
   flown in from the US to assist the investigation. Presumably
   this is because Goodyear supplied the tyres for Concorde?

3. A friend of mine claims to have heard a report on a news bulletin
   (which I did not hear myself, and have been unable to confirm from
   press reports) that the French and British fleets use different
   tyres, hence the willingness of BA to continue flights while
   Air france keeps its fleet grounded. Does anyone know anything
   about this?

4. As a variant on 3 above, a more recent report had it that the
   French fleet had retained some sort of "cover" on the bogies
   that had been removed from the British fleet in a modification
   following an early incident in which it contributed to the
   rupture of a fuel tank or line after a tyre blow-out. Again,
   does anyone know anything?


Pete Mellor