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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

Cars That Think

And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. A third of the top 15 articles relate to wireless and radio tech, with one concerning a home-brew radio telescope (October 2019). Are there trends in DIY projects you think we’re missing? Drop me a line at cass.s@ieee.org

DIY 80
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Order book opens for Swindon Powertrain’s High Power Density (HPD) EV system

Green Car Congress

Devised as a response to the lack of compact engineered EV systems available to enthusiasts and smaller OEMs, Swindon Powertrain has refined and improved the HPD’s specification since it was first announced six months ago. Deliveries to the first customers will commence in August 2020. Weighing only 49.9

Power 284
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From Cleaning Offices to Designing EV Charging Stations

Cars That Think

Today she works as a hardware engineer at Zaptec , which makes electric-vehicle charging stations and is also based in Stavanger. A specialist at heart Growing up in Šiauliai, Lithuania, Bekerytė seemed destined to become an engineer. He was a DIY enthusiast willing to try his hand at just about anything, from electronics to plumbing.

Clean 101
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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. The engine mixed ethanol and liquid oxygen together to produce a thrust of 5 kilonewtons, and the rocket soared to a height of 6,500 meters. Even more important, it came back down in one piece.

DIY 136
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DEED advertising pays off

Electric Auto Association

The members of EAA San Joaquin Valley (EAASJV), largely held back from holding in-person events since the chapter’s founding in 2019 due to the pandemic, were determined to make their 2022 Drive Electric Earth Day event a rousing success. They now realize that EVs are less expensive to maintain than gas-engined vehicles.

Prius 92
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Road Test: 2021 Mazda CX-9 Signature AWD

Clean Fleet Report

For even more space, the second row folds flat producing plenty of room for a run to the DIY store or maybe some antiquing. liter four-cylinder engine producing either 227 horsepower (hp) with 87 octane fuel or 250 hp running on 93 octane. Road Test: 2019 Subaru Ascent. Road Test: 2019 Jeep Grand Cherokee. Getting There.

Mazda 52
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Ukrainian Volunteers Use 3D Printers to Save Lives

Cars That Think

About the Author IEEE member Roman Mykhailyshyn was born in Ukraine and lived in the city of Ternopil in western Ukraine most of his life, becoming an associate professor in the department of automation and technological processes and manufacturing at Ternopil National Technical University in 2019.

Ukraine 145