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I propose an integration of MAG-LEV technology into
regular tire's for cars, that would slip over a slim rim,
born
by a magnetic field, from a static (non-rotating)
hub/'wheel', suspended to the car.
The tire would be fairly regular, even very low profile,
since the magnetic field would
be 'micro'-movement
cushioning.
There would be an outer rim, rotating with the tire, and
the inner rim, supported to the car's structure.
Between them, a magnetic field, holding the rims slightly
apart, and introducing the drive and brake forces, to
propel and arrest the vehicle/car.
Magnetic bearings
http://en.wikipedia...ki/Magnetic_bearing
Big, heavy & expensive. [Twizz, Jun 01 2011]
MaglevLA_20Wheel
Redundant. Even the first comment is nearly the same. [spidermother, Jun 01 2011]
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So the idea is to use a magnetic bearing (WKTE - see link) for automotive road wheels. |
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The friction from road wheel bearings is so small that a magnetic bearing is not justifiable in terms of energy consumption, weight, complexity or cost. |
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Yes, the function of the bearings would be included,
but also the engine and the brakes - as the MAG-LEV
trains, only in smaller rotation elements - both
propulsion, AND braking comes through the magnetic
field (segments around the circumference, switching
opposing polarity, for attraction and distance.). |
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[spidermother] : Not the same construction. The
link's center is a bearing, and something else is at the
rim. |
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It's not that clearly worded, but the linked idea's author, in an annotation, mentions conventional bearings as an _alternative_ to magnetic levitation. The idea itself is the same as yours, except for the T-shaped construction to prevent sideways movement. |
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You've partially described regenerative braking: an electric motor is a maglev... minus the 'lev' bit. |
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As far as the levitation bit is concerned, good luck finding a magnet that will do this: you've got (charitably) half a tonne on an area of a couple centimeters, which almost sounds doable until you hit a pothole. |
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the support area is the entire circumferential area of
the outer rim - inner rim interface, ie in vertical
perspective : width x diameter of mag-lev 'shell',
approximately the same as width x diameter of the
wheel/tire. |
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