aquaplaning !!! (1 Viewer)

[45Kevin]

A long time ago I heard that the air under a tire can also act as a solid at some given velocity. Given that air is a gas I would expect that the velocity would be much higher, but I heard this with respect to cars though.

I am assuming thet the 8.6 in the formula is a function of the viscosity of water. Any research available from this crowd to validate my belief?

And yes, it still takes off.

 

[fzjchase]

I did'nt know AWD's could hydroplane?






School me on your driving style

Oh yes, go fast enough, and you can get just about anything to hydro plane. When it rains here in FL, it pours.

I've gotten my STi (KDW2's) and the FZJ80 (BFG AT's) to hydro plane, and its scary.

It does take more for the KDW2's to hydro plane compared to the AT's.

 

[RavenTai]

good pictures in this article

http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=3

 

[IdahoDoug]

No - air won't have an impact on the contact patch or traction. As you surmise - not enough 'viscosity' to generate any energy/lift.

Raven - great link. I did no know hydroplaning was THAT sensitive to tire pressure.

DougM

 

[Kalawang]

IdahoDoug is closest to correct by my experience. It takes a lot less speed for me to feel the 80 losing the road, but I'm doing so with puddles of water that are better defined as small pools of water at least ankle deep. Those are truly bad because you not only hydroplane, you also blind yourself with the water splashing up and around your fenders and into the windsheild. Not a good thing. Many newbies to SUV's here actually accelerate into those pools, and learn very quickly that height is not always might when it comes to water. Whereas in an automobile the ankle deep water is parted like Moses and the Red Sea, in a lifted SUV it climbs up and splashes on the windsheild. I actually hydroplane more easily in my 80 than in a normal car, but that might be because the 80 has much wider tires.

RavenTai's link is probably more applicable to the conditions wherein you experience showers rather than sheets of rain. If the road you're on drains well, it takes more speed to hydroplane but you'll do so regardless of tire design or brand given enough speed. Rubber will inevitably fail to meet the road given enough speed, and the more water, the less speed required.


Kalawang

 

[brunal38]

Hello , have found the solution ?

 

[RavenTai]

Hello , have found the solution ?

Everything i did to my cruiser, to make it stay on top in sand, large diameter wide tire with low ground pressure also made it very susceptible to hydroplane,

Fortunately it tracked well and when i reached the other side i was still in my lane,

, a pizza cutter tire, narrow low diameter with a high tire pressure and a small contact patch would help with hydroplaning but its high ground pressure that cut through water would also cut right through sand right up to my frame rails Every design Change is compromise,

 

[brunal38]

Ihave identical problemes has Kalawang !