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George Foreman grill question
On 27/06/2010 10:03 PM, Terry wrote:
> On Sat, 26 Jun 2010 13:44:17 -0400, "J. Clarke" > > wrote: > >> On 6/26/2010 3:11 AM, sf wrote: >>> On Sat, 26 Jun 2010 12:08:55 +1000, > >>> wrote: >>> >>>> I laugh at those who suggest the electric cars (plug in overnight types) >>>> are going to solve the emissions problems. You see, all our electricity >>>> is generated, in my home state at least, by dirty brown coal generators. >>>> All that's going to happen is a transferrence of pollution to where the >>>> generators are. >>> >>> I don't know about "most people", but my vision of the perfect >>> electric car has never been a plug in type - it's always solar. >> >> So how does that work? >> > In theory it works nicely. In practice, not so well. A good rule of > thumb is one horsepower per square yard of fully-illuminated area. A > car that requires twenty horsepower---which is pretty low by today's > standards---needs an area of solar cells at least nine feet by twenty > feet. > > Working solar cars have been constructed. They require extreme > lightweight materials and aren't well-suited to a Sunday drive with > the family. More like "one person, 10-20 mph, as long as it's sunny." > > Someone may pipe up and say "but you can use batteries and charge them > when you're not driving". That's done with the experimental cars but > there's a very carefully-calculated tradeoff in weight and > performance. Take a look at this car: > http://www.speedace.info/solar_cars/..._road_test.jpg > Not much room for anything but a driver. > > Best -- Terry I'd be hoping those solar cells absorb a lot of the heat! It could get rather oven-like in that thing! Krypsis |
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