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have major cities outfit the roads with shallow gaps with electric contact strips that can power an electric engine, and cover it in a way that you can't accidentally fall into the gap.
the power source for the gaps are pezioelectric strips (strips that make electricity when pressure is applied to
them.) where the tires should be placed, and solar panels placed on the lamp posts.
the vehicles have contact points that automatically fold up when not on a compadable road and than switch to gasoline power once the vehicle leavs the slot.
this could also help police catch speeding vehicles by being able to send a signal down the road that finds out a vehicle's I.D., and stops it, while slowing down anything behind it.
(note, The pezioelectrics and the solar panels are not the main power source of the system, the main system power sources are main powerplants. The other systems are only to lighten the load of the main source.)
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Trying to re-claim power from the pressure of the tires is too close to perpetual motion for my likeing. No sir, I don't like it. |
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And as much as I love solar panels, it would take a heck of a lot of them to provide enough power to run cars down the road. |
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Anyway, inductive coupling makes more sense, I think. |
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This is an "idea" that everyone has thought of, that just hasn't been economically built yet. Some things aren't being done because they can't be done, not because the person posting is uber-creative and can leave the petty engineering to the little people. |
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Road power is obvious, and may well happen. However, as described it is nonsense--parts of this are perpetual motion. |
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Few of us are going to come up with new developments in highly-developed and expensively-researched fields like automobiles, but obvious unworkabilities could at least be avoided. [-] |
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I like the idea of pezioelectrics. The pez could actually shoot out of the mouth of the character head and into yours. It would be good for folks with tired thumbs. There could be a full auto option. |
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Please. What is it with piezo? "In this house we obey the laws of thermodynamics." In this application, the piezoelectrics would convert the car's gravitational potential energy into electricity. In other words, power is generated by dropping the car down a couple of millimetres. If the ground beneath you is giving way like this, you're continously driving slightly uphill, and guess what? The energy it takes you to drive up that tiny hill will be equal to (or greater than) the electricity you will produce. |
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Can we put something about piezo roads in the help file? |
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[this could also help police catch speeding vehicles ] |
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"You'll never take me alive, copper..." |
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Probably the msot technically feasible way to do something like this would be to have a linear induction engine built into the roadway and have a gadget on the bottom of the car with powerful magnets on it which could be lowered while you're on a powered road. |
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Charging for the service woudl be a bitch and so would braking. |
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I suppose you could do it just at traffic lights to give cars a bit of extra acceleration when the lights changed. |
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It isn't perpetual motion, the car would slow down as it compressed the piezoelectric and transfered the charge. Also because of the elastic deformation of the road's surface your car is actually travelling up hill. This is more noticable with the inelastic deformation of asphalt roads by large trucks. |
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How about "vehicle powered roadways" instead. Run several loops of wire around one side of an overpass and apply a vertical magnetic field. Passing a conductor (a car) through this hoop will induce a current in the loop. It will slow down the car slightly, nothing is free, but you will get enough electricity to run the lights in the chicken coop. |
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//How about "vehicle powered roadways" instead.// |
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That would have an effect similar to that of a toll booth, except the cars wouldn't have to stop completely. Also, you could put a volt meter on it ,so if there weren't any cars on the road for a while the lights would automatically turn off. |
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