50psi!
#17
^^^ I was driving in the rain with that ~50psi. No slippage. Actually, one of my tires was completely flat. I had driven 120+ miles with zero psi in my front right tire. I didn't even notice. Those tires have some strong sidewalls. Before I left the house my tire looked a little low, but I figured it was because my wheel was turned. I stopped in Chiba and thought that tire really does look low. I checked it and nothing was in it.
This picture was taken in the hills/mountain in Chiba. As you can see the front tire looks a little low, but it doesn't look flat. Funny stuff. Here I still hadn't noticed. I drove another 25 miles to my destination
This picture was taken in the hills/mountain in Chiba. As you can see the front tire looks a little low, but it doesn't look flat. Funny stuff. Here I still hadn't noticed. I drove another 25 miles to my destination
#20
Hydroplanning speed has a direct relationship with PSI as this is what sets the AREA of the contact patch.
What intermolecular force do you want between tire and road?
http://www.nlr.nl/id~4384/l~en.pdf
see why airplane tires are set at 100-220 psi
Obviously there is an ideal difference between wet and dry and ride vs performance.
What intermolecular force do you want between tire and road?
http://www.nlr.nl/id~4384/l~en.pdf
see why airplane tires are set at 100-220 psi
Obviously there is an ideal difference between wet and dry and ride vs performance.
#21
Hydroplanning speed has a direct relationship with PSI as this is what sets the AREA of the contact patch.
What intermolecular force do you want between tire and road?
http://www.nlr.nl/id~4384/l~en.pdf
see why airplane tires are set at 100-220 psi
Obviously there is an ideal difference between wet and dry and ride vs performance.
What intermolecular force do you want between tire and road?
http://www.nlr.nl/id~4384/l~en.pdf
see why airplane tires are set at 100-220 psi
Obviously there is an ideal difference between wet and dry and ride vs performance.
#22
Registered User
iTrader: (9)
Here's something else to consider -- a tire's load rating. For the most part, you should be safe sticking with the OEM recommended pressures if your aftermarket tires have similar ratings.
But if you have Extra Load (XL) ratings, or even load ratings significantly higher than your OEM set-up, higher pressures are needed to take advantage of the XL ratings and such tires are built to accept higher pressures as well.
Case in point, assuming you have two tires of exact size, one is XL-rated, the other is not. The XL-rated tire will almost always be rated to handle higher pressures versus the non-XL tires. (e.g. 50psi vs. 44psi).
But if you have Extra Load (XL) ratings, or even load ratings significantly higher than your OEM set-up, higher pressures are needed to take advantage of the XL ratings and such tires are built to accept higher pressures as well.
Case in point, assuming you have two tires of exact size, one is XL-rated, the other is not. The XL-rated tire will almost always be rated to handle higher pressures versus the non-XL tires. (e.g. 50psi vs. 44psi).
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