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    new version of dual vertical axis turbine

    This is the latest version of the dual vertical axis turbine we are building. This new unit is half the height of the last one, and thanks to the new axial flux generators, it produces as much as the previous version. We were already 48% efficient with the 8 ft unit, and were recognized by DOE...
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    e-bike data base

    I was asked today if I had a compiled list of all e-bikes in a simple spread sheet format. Is there such an item out there? If not, can we (collectively) start building one? I was thinking of a side by side comparison. MFG, model, general features, price. Totally unbiased, just the facts. Thanks, D
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    lowdown cruzer

    Threw this together with stuff laying around the shop. Mini drum front brake, mondo big 9 inch rear disc, paltry 36V LiFePO4 (couldn't "borrow" any of the 48Vs), Geared rear hub, 3 inch rear tire on surley rim. Frame is older Sun bike that was gathering dust in corner, may take the time later to...
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    PickleCycle Build

    Thought I would start posting some of the stuff we build at what we call Caveman Engineering. Over the last few yaers we have made some, shall we say unconventional, electric vehicles. Mostly bikes and trikes, but we have also done, and are doing buses, conversions of M-113 Gavins and scout...
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