h a l f b a k e r y
Apply directly to forehead.
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instead of wiping the windows u'll have a device at the head of any window of the car that blows air down the window and that way there's nothing blocking your view.
[link]
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Or persuade manufacturers to design vehicle aerodynamics to clear water from windows, using existing airflows. Oops, baked. |
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The windshield tongue - now there's an idea... |
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Self-grooming cars are definitely the way forward. |
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"Hey! What's your car doing?" |
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"Just ignore it. It's licking its own exhaust again..." |
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I don't see how it's going to work effectively, so I'm voting against it. |
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Fishbone for blowing “down”. |
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The Saab 9000 had wing mirrors that had a gap between the mirror and the body of the car to allow the airflow over the front side windows to help keep them clearer. A similar feature is often built into the open 'wings' of the bridges of large ships. The airflow is ducted to deflect some of the rain that would otherwise lash the face of a salty seadog. |
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I want [lostdog]'s wind-shield tongue. Maybe a shake function too, when it has been subjected to a heavy downpour....or been rolling in mud..... |
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I have seen this as a concept in Popular Mechanics magazine (try December or January). However, the one they showed followed the more logical direction of blowing air up from the bottom of the windshield. |
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Isn't this sort of the same concept as Wind-X? Coat your windshield with this stuff and the wind, as you drive, blows away the rain. I've heard it works but I'm still using the ol' wipers here in rainy Seattle. |
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Actually, it's called Rain-X, and it's only effective at highgway speeds, where it IS very effective. It basically makes the windshield surface ultra-smooth. You apply it just like a coat of wax. |
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As far as blowing down the windshield, it's not practical because natural airflow is forcing the rain up, you have to overcome that force, which at high speeds would require something like a jet engine. |
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Blowing it up, on the other hand, is much more effective and easier because your simply giving the airflow physics a boost. |
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If the blowers and motors would have to be as large as the ones at carwashes, then it wouldn't work. I think they would have to be fairly large though in order to be effective, which would mean they'd still be much less efficient than regular wipers. If you could overcome this, than I would vote for it, otherwise it wouldn't be worth the inefficiency. |
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