But Shirley you're joking Mutt? Methinks that reduced friction between tyre and runway would include aquaplaning would it not?
But I wary of this thread and will not slip in another reply.
However, before slipping away I might add for the enlightenment of PFM and A and C that total dynamic aquaplaning may occur when the water depth is between 1/10th of an inch to 4/10th of an inch (2.5mm to 10mm) and at a speed (in knots) of 9 times the square root of the tyre pressure in p.s.i.. That comes out at around 129 kts for an average weight B747 which is incidentally below the balanced V1 at those weights.
Please note that the type of tread makes no difference (much to the chagrin of Messrs Bridgestone, Pirelli and Goodrich!)
[ 30 August 2001: Message edited by: Victor Hotel ]