h a l f b a k e r y
No, not that kind of baked.
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This one is for all the fans of the Piezoelectric effect.
Replace some of the cords in radial tires currently made from materials like nylon, rayon, Kevlar with PVF2, a piezo polymer. The streching and deforming of the cords as the tire rolls, especially at the contact patch, will generate a voltage.
[link]
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"This one is for all the fans of the
Piezoelectric effect."
i imagine it would have to be. I don't think
this would generate enough power to
make it worthwhile. |
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Can you make the tires light up at night? |
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Can fans run on piezoelectricity? |
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Where would the energy be stored? In the wheel? That axle? |
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Apparently is does nothing, just generates a voltage. |
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I'd hope this would generate electricity, rather than just a voltage. |
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You could then store it in a battery in the hubcaps... and use them to power your home when you get back! |
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Hmm, is it time to calculate the hamsterpower quotient on this idea... |
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In general, obtaining energy from a powered machine is inherently inefficient. The laws of entropy, as exemplefied in friction especially tend to mean that the energy gotten back from the machine will be matched, or exeeded by increased energy requirements from the machine, which now needs to not only do it's job, but also needs to power an energy harvesting apparatus. |
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Would be useful for powering tire-mounted or wheel-mounted electrical devices (like spoke LEDs) without requiring either batteries or a hub mounted rotating electrical connector. |
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