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Anti-Zamboni
iron sand used to remove ice from road surfaces/sidewalks | |
... a planar railgun mounted on the front of the vehicle shoots iron bearings downwards to ablate ice from the concrete; a revolving electromagnetic drum in the midsection recovers most of the iron for reuse; finally a streetsweeping attachment at the rear throws the ice-grains to the side of the road,
or into a hopper.
Ejection speed and bearing size are operator controllable to allow for different conditions.
Zamboni
http://en.wikipedia.org/wiki/Zamboni
A vehicle designed for resurfacing ice rinks. [DrBob, Nov 26 2008]
[link]
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My knowledge of the world is now richer to the tune of one Zamboni. I'd never heard of it before.
Not so sure about this idea though. The road surface is not made from concrete but from blacktop which would be just as liable to be damaged as the ice that you are trying to remove. Also, your grains of iron would become embedded in the road surface which would lead to increased tyre wear for vehicles. On the other hand though, you do have a railgun involved so I'll stay neutral for the time being. |
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Posting edited to reflect that iron grain size and speed is variable depending on road-surface conditions. |
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(okay, I actually posted this just to use the phrase "planar railgun" but that's not the point) |
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[+] for removing ice by abrasion rather than heating or chemical dissolution. |
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This is remarkably similar to the method for runway rubber residue removal - Google this: "airport runway rubber removal shot blasting" |
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