Category Archives: electric vehicle

The Electric Vehicles Of EMF Camp: A Sinclair C5, (Almost) As It Should Have Been

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Most Hackaday readers will have heard of [Clive Sinclair], the British inventor and serial entrepreneur whose name appeared on some of the most fondly-recalled 8-bit home computers. If you aren’t either a Sinclair enthusiast or a Brit of a Certain Age though, you may not also be aware that he dabbled for a while in the world of electric vehicles. In early 1985 he launched the C5, a sleek three-wheeler designed to take advantage of new laws governing electrically assisted bicycles.

The C5 was a commercial failure because it placed the rider in a vulnerable position almost at road level, …read more

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Charging An Electric Supercar With Lemons, Kids, And The Sun

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First things first: the tease on this video, that an electric supercar can be charged from a massive lemon battery array, is exactly that – a tease. Despite that, it makes for an interesting story and a great attempt to get kids exposed to science and engineering.

The story goes that [Mark] was approached by Volkswagen to help charge the batteries on their entry for the upcoming Pikes Peak International Hill Climb, the annual “Race to the Clouds” in Colorado. Racers are tortured by a 4,700′ (1,440 m) vertical climb over a 12.42 mile (20 km) course that features 156 …read more

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The Electric Vehicles Of EMF Camp

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There is joy in the hearts of British and European hardware and software hackers and makers, for this is an EMF Camp year. Every couple of years, our community comes together for three summer days in a field somewhere, and thanks to a huge amount of work from its organizers and a ton of volunteers, enjoys an entertaining, stimulating, and engrossing hacker camp.

One of the features of a really good hacker camp are the electric vehicles. Not full-on electric cars, but personal camp transport. Because only the technically inept walk, right? From Hitchin’s Big Hak to TOG’s duck, …read more

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Open Source High Power EV Motor Controller

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For anyone with interest in electric vehicles, especially drives and control systems for EV’s, the Endless-Sphere forum is the place to frequent. It’s full of some amazing projects covering electric skateboards to cars and everything in between. [Marcos Chaparro] recently posted details of his controller project — the VESC-controller, an open source controller capable of driving motors up to 200 hp.

[Marcos]’s controller is a fork of the VESC by [Benjamin Vedder] who has an almost cult following among the forum for “creating something that all DIY electric skateboard builders have been longing for, an open source, highly programmable, high …read more

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DIY Electric Beach Luge is a Thrill

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[John Dingley] describes his Electric Beach Luge Project as an exciting mashup between “a downhill luge board, a kite surf buggy, a go-kart, and a Star Wars Land Speeder” and it’s fresh from a successful test run. What’s not to like? The DIY experimental vehicle was made to run on long, flat, firm stretches of sand while keeping the rider as close to the ground as possible. The Beach Luge is mainly intended to be ridden while lying on one’s back, luge-style, but it’s also possible to lay prone in the “Superman” position.

The whole unit was built from the …read more

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Solar Powered Camper is a Magic Bus Indeed

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There’s no doubt that Volkswagen’s offerings in the 1960s and early 1970s were the hippie cars of choice, with the most desirable models being from the Type 2 line, better known as the Microbus. And what could be even hippier than
converting a 1973 VW Microbus into a solar-electric camper?

For [Brett Belan] and his wife [Kira], their electric vehicle is about quality time with the family. And they’ll have plenty of time, given that it doesn’t exactly ooze performance like a Tesla. Then again, a Tesla would have a hard time toting the enormous 1.2 kW PV panel on …read more

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Semisolid Lithium Ion Batteries Promise Better Cars, Solar

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Lithium-ion batteries make possible smaller and lighter electronics. Unfortunately, they are also costly to produce. In a conventional lithium-ion battery, many thin layers create the finished product much like filo dough in baklava. A startup company called 24M thinks they have the answer to making less expensive lithium-ion batteries: a semisolid electrode made by mixing powders and liquid to form an electrolyte goo.

Not only will the batteries be cheaper and faster to create, but the cost of the factory will be less. Currently, 24M has a pilot manufacturing line, but by 2020 they expect to scale to produce batteries …read more

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EV History: The Lightning Precedes The Thunder

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In 1988, a bunch of engineers from Hotzenwald, East Germany, came together and decided that it is time for the future of mobility: A new, more modern and environmentally friendly car should put an end to fossils and emissions while still being fun to drive. “It should become a new kind of car. Smaller, lighter, cleaner – and more beautiful” is how future CEO Thomas Albiez described his mission. For the first time in automotive history, this series car would be designed as an all-electric vehicle from the start and set a new standard for mobility. The project was given …read more

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