HydraPlaneing
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Cruiser
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HydraPlaneing
AT WHAT SPEED DOES ANYONE THINK A ELECTRAGLIDE WILL START TO HYDRAPLANE
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Tourer
Joined: Oct 2005
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RE: HydraPlaneing
Hydroplaning on two wheels, BAD very BAD. Basically keep those wheeling turning, hydroplaning is defined in to three types.
Dynamic Hydroplaning
Dynamic hydroplaning is a condition where the tire is lifted completely above the surface of the surface. As little as one-tenth inch of water combined with the critical speed of the tire is the causal factor.
Viscous Hydroplaning
Viscous hydroplaning can occur at slower speeds and rather than the water lifting the tire from the pavement, the tire slips on a thin film. This occurs on smooth surfaces.
Reverted Rubber Hydroplaning
Shouldn’t occur at our speed, if they do you’re in the wrong machine; you should have wings.
With sufficient water (0.1 inch), hydroplaning will occur at and above the speed predicted by this formula.
Critical speed = 9 * (SQRT P)
The hydroplaning speed in knots/MPH (critical speed) is equal to 9 times the square root of the tire pressure (pounds per square inch).
30 psi tire pressure
57MPH critical speed
Know the critical speed and avoid heavy braking above this speed. The is all flying sh&* that I remember. But on two wheels slow down. If you must use heavy braking keep the front wheel stright. Bring your knees in to the tank, this way when your CG moves forward you can be balanced. So now when your weight moves forward and increases your brake effectiveness.
Dynamic Hydroplaning
Dynamic hydroplaning is a condition where the tire is lifted completely above the surface of the surface. As little as one-tenth inch of water combined with the critical speed of the tire is the causal factor.
Viscous Hydroplaning
Viscous hydroplaning can occur at slower speeds and rather than the water lifting the tire from the pavement, the tire slips on a thin film. This occurs on smooth surfaces.
Reverted Rubber Hydroplaning
Shouldn’t occur at our speed, if they do you’re in the wrong machine; you should have wings.
With sufficient water (0.1 inch), hydroplaning will occur at and above the speed predicted by this formula.
Critical speed = 9 * (SQRT P)
The hydroplaning speed in knots/MPH (critical speed) is equal to 9 times the square root of the tire pressure (pounds per square inch).
30 psi tire pressure
57MPH critical speed
Know the critical speed and avoid heavy braking above this speed. The is all flying sh&* that I remember. But on two wheels slow down. If you must use heavy braking keep the front wheel stright. Bring your knees in to the tank, this way when your CG moves forward you can be balanced. So now when your weight moves forward and increases your brake effectiveness.
Ultimate HDF Member
Joined: Nov 2005
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From: Concord, CA
RE: HydraPlaneing
When riding in rain, up your pressure a bit to decrease the contact patch.
I know it sounds backwards, but you indrease the PSI on the ground, which helps prevent hydroplaning.
I know it sounds backwards, but you indrease the PSI on the ground, which helps prevent hydroplaning.
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