Recent content by bigdummy

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    How can I make my electric scooter go faster

    I have a 400W electric scooter and it's just too slow. It uses a 400W, 20Ah motor. So I have a few questions: What is the easiest way to make this thing go faster without changing the controller? Will I burn the motor out with a 36V battery pack (the pack is 3 twelve volt, twelve amp...
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    Coefficient of drag of an object in water

    In regards to the Reynold's number, aren't they totally different for water and air? And as for the question regarding the application of this information: I'm much more interested in small scale production. Sure, large-scale power generation is where all the money is, but who can do the R&D...
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    Coefficient of drag of an object in water

    I'm working on an idea that has to do with placing wind turbines on lake beds to catch the constant undercurrents (not a wholy original idea, I know). One of the most important factors to take into consideration is the lateral force exerted on the tower by the current--which is identical to the...
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