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User: diarmuidw

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  1. Re:Nah, this is dumb on Microwind Generator For Low Power Systems · · Score: 0, Flamebait

    This is dumb on so many levels 1/ The amount of power in a breeze is equal to 1/2 * Area *velocity ^3 (watts). The amount of usable power is roughly half that again (as the wind has to exit the back of the device). So if the area is only the area that vibrates (say 0.5 meters * 0.02 meters) the amount of power is in the milliwatts 2/ Modern turbines are 80 to 90% efficient 3/ I sail and I know that a vibrating piece of fabric or plastic will have a very short life. 4/ First world solution to a third world problem 5/ A solar panel that can run radios and lights for 20 years only costs a few hundred plus a battery