Depends on brake usage during taxiing and on the turnaround time between flights. A short taxi will not change the tyre temps too much. A long taxi and extensive use of brakes will let the temperatures go up further when the gears are in the wheel bays, because they slowly take over the heat of the brakes. Sometimes pilots let the gear a bit longer down after takeoff to let the brakes cool in the airflow, otherwise a (false) wheel well fire might get triggered by the fire loops after a few minutes in the air. I've only seen A-320's doing this, but I'm sure other types can do the same. We've had an A300 taxiing to the runway on a hot day, and just short of lining up, the brakes ovht warning light came on. This is a no go, so the aircraft had to taxi back to stand, which made the problem worse. Only solution was to put up fans near the gear to get the cooling time down to 1 hour.
Last edited by Piper19; 24th Jul 2013 at 12:59.