PPRuNe Forums - View Single Post - How to work out hydro planing speed?

9th September 2001 | 04:40

#4 (permalink)

HighSpeed

Joined: Mar 1999

Posts: 8

Likes: 0

From: Far East

wig wag,

for static hydroplaning speed, it is 7.7 x sqrt[tyre p (PSI)]. this happens when the tyres are NOT spinning, thus it is crucial to make a 'firm' touchdown to spin-up the tyres when landing on a wet runway.

HS