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Quote:
Originally Posted by Porsche-O-Phile View Post
9 x square root of tire Pressure for typical (dynamic) hydroplaning. I'm not aware of a published formula for reverted rubber (steam) hydroplaning or viscous (thin film) hydroplaning.

Disclaimer: it's been a while since I went through the Gleim or Jeppesen books on this stuff so someone (preferably another flyer or CFI) check me but this is what I recall.
There is also a temp factor. You can hydroplane most easily around 36F. This isn't an black ice issue, but water viscosity. You can also "hydroplane" more easily on mud.
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Old 01-31-2013, 05:09 AM
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