Monday, December 31, 2007

Pedal Top

A group of US student have a new idea to recharge your laptop without plugging it in.Even you will have a great excercise.You will also gain somethimg by losing something.-by losing your calories(burning calories). The students built an excercise bicycle that usea"prdal power" to charge a laptop computer allowing you to"bike while you work" In this gadget,belts and gears convey the motion of the wheel to a generator in the back,which charges a conventional 12 volt battery like that in a car. A charge controller regulates the electricity coming to the battery to prevent overcharging.The battery supplies electicity to Laptop,which rests on the tray a top a swivelling arm in place of the handlebars. In priliminary calculations,the students predicted that a bicyclist should be able to produce upto 75 watts continuously-far more than the 30 watts needed to power the Laptop.Indeed,in a initial test drive,Figari-one of the US based students' easily generated 50 watts while checking his E-mail........

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