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A DIY E-bike Conversion on the Cheap

Cars That Think

add an electric motor to a bicycle —a project that involved a considerable outlay of money and many hours in a machine shop behind a lathe. Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. It uses an "outrunner" motor designed for electric skateboards. Fast forward a dozen years.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

add an electric motor to a bicycle —a project that involved a considerable outlay of money and many hours in a machine shop behind a lathe. Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. It uses an "outrunner" motor designed for electric skateboards. Fast forward a dozen years.

DIY 98
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New nanolithia cathodes may address technical drawbacks of Li-air batteries; scalable, cheap and safer Li-air battery system

Green Car Congress

volts, so only 8% of the electrical energy is turned to heat. With the nanolithia battery] we have overcharged the battery for 15 days, to a hundred times its capacity, but there was no damage at all. And with further refinement of the design, Li says, the new batteries could ultimately double that capacity again. volts to 0.24

Cheap 150
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Who Really Invented the Thumb Drive?

Cars That Think

Computer users badly needed a cheap, high-capacity, reliable, portable storage device. The thumb drive was all that—and more. With all these advantages, it effectively ended the era of the floppy disk. $7 With all these advantages, it effectively ended the era of the floppy disk. $7 Why aren’t they more famous?

Singapore 145
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The Coming Construction Boom

Cars That Think

But the identical mounting components meant that rectangular designs were pretty much all that could be produced. Combine all these factors and a dazzling possibility emerges. Combine all these factors and a dazzling possibility emerges. This article appears in the March 2022 print issue as “Building Boom.”.

Egypt 135
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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

This sponsored article is brought to you by COMSOL. In a region known for long, dark winter nights, Polar Night Energy is building a system in the city of Tampere that can heat buildings with stored solar energy — all day, all night, and all winter long. We only have pipes, valves, a fan, and an electric heating element.

Store 89
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Porsche Whistleblower: “60% of all delivered Taycan have battery issues that caused replacements, damages and fires”

Teslarati

KW, a common use case for all charging, such as at home or on low-speed chargers, the source said. . This is because if acknowledged, all Taycans would require a recall and the replacement of their onboard charger, and all batteries would have to be inspected and tested and, if affected, replaced. A Remarkably Short Warranty.

Porsche 145