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Order book opens for Swindon Powertrain’s High Power Density (HPD) EV system

Green Car Congress

Customers can now order Swindon Powertrain’s High Power Density (HPD) EV system with deliveries starting in August. The package size is now just 441mm x 384mm x 228mm, making it the highest power/volume unit for automotive applications on sale. Weighing only 49.9

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This impressive 1,500W DIY solar powered car-replacing e-bike does kid carpool & grocery runs

Electrek

Last month we featured an awesome DIY solar cargo trailer that an Electrek reader built for his electric bike. Just in case you needed any more proof that our readers are some of the handiest and most clever eco-DIYers on the planet, we’ve got another impressive solar powered electric bike to show you.

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Charge like you Volt-to: DIY J1772

DIY Electric Car

If you want all the benefits of this great and robust power standard, google other projects, I skipped all those subtleties and got'r'done! I took the car to the nearest charging station and tested it at full power today. I didn't realize this and spent 10 minutes unsoldering/resoldering. This all went together in about an hour.

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Check out this guy’s awesome DIY solar-charging electric bike utility trailer

Electrek

Here at Electrek we love DIY projects. And solar power. The post Check out this guy’s awesome DIY solar-charging electric bike utility trailer appeared first on Electrek. The post Check out this guy’s awesome DIY solar-charging electric bike utility trailer appeared first on Electrek. And electric bikes.

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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

meter-tall Nexø II rocket was powered by a bipropellant engine designed and constructed by the Copenhagen Suborbitals team. That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. Even more important, it came back down in one piece.

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Wheel-E Podcast: RadTrike, $150 DIY 6-seater e-motorbike, solar electric boat camper & more

Electrek

This time that includes the newly unveiled RadTrike, 1,500W e-bike, a $150 DIY 6-seater e-motorcycle, a solar-powered electric boat that converts into a camper and lots more. The post Wheel-E Podcast: RadTrike, $150 DIY 6-seater e-motorbike, solar electric boat camper & more appeared first on Electrek.

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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

Not only does the RP2040 have lots of compute power, it hasn’t suffered the kind of shortages afflicting other chips. A Raspberry Pi Pico [left] provides both compute power and the gamma-ray spectrometer’s analog-to-digital converter. This article appears in the July 2022 print issue as “DIY Gamma-Ray Spectroscopy.”.

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