article thumbnail

A DIY E-bike Conversion on the Cheap

Cars That Think

Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? If anything, it's gone up.

DIY 145
article thumbnail

A DIY E-bike Conversion on the Cheap

Cars That Think

Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? If anything, it's gone up.

DIY 98
article thumbnail

A Cheap Balancer and Transmission Issues

Porsche 914 EV Conversion

I'm going to try to replace the sychro rings myself based on the Pelican Parts article and, if I screw up, I'll take the whole thing back to A & P to put it back together. On a different note, I called Alan at A & P today to see how much it would take to rebuild the removed transmission. What's the worst thing that could happen :).

Cheap 100
article thumbnail

Just Calm Down About GPT-4 Already

Cars That Think

Brooks, who is now working on his third robotics startup, Robust.AI , has written hundreds of articles and half a dozen books and was featured in the motion picture Fast, Cheap & Out of Control. You wrote a famous article in 2017, “ The Seven Deadly Sins of AI Prediction. “ And it’s really cheap.

Personal 145
article thumbnail

Univ. Houston, Caltech team develops new earth-abundant, cost-effective catalyst for water-splitting

Green Car Congress

In an open-access paper in the journal Nature Communications, the team said that their advance provides a different pathway to design cheap, efficient and sizable hydrogen-evolving electrode by simultaneously tuning the number of catalytic edge sites, porosity, heteroatom doping and electrical conductivity.

Houston 150
article thumbnail

A closer look at axial flux motors

Charged EVs

In Issue 49, we reviewed some of the more promising advancements in materials and construction techniques for EV traction motors , one of which—the axial flux design—will be the focus of this article. This article appeared in Charged Issue 54 – March/April 2021 – Subscribe now.

Motor 99
article thumbnail

Wireless Worries Overshadow Triumphs of RF Research

Cars That Think

IEEE Spectrum carried out its conversation with Foster by email to find out more about why RF exposure assessment research has been such a success, what makes RF dosimetry so difficult, and why public worries about health and wireless radiation never seem to go away. The list goes on. Exposure assessment plays some role in this.