Interesting paper. Well worth a read:
https://www.delcoremy.com/documents/...ite-paper.aspx
Then I tried a search for "efficient alternator".
EVERY Alibaba seller has an alternator thats "super duper ultra extlemely velly -velly efficient!", as does the rest of the world.
Anyone found a legit source??
Astro Flight 3220 motors,designed for high-end RC models are 92% efficient, weigh 5lbs, and can put out up to 15-HP each (11,000-Watts)
https://www.astroflight.com/brushless-motors.html
With the right ctlr they should turn into motors during acceleration, that help fuel economy too.
Here's 2 of them on a trike:
https://youtu.be/WKAMus3oSdw
https://www.electricbike.com/50mph-m...lectric-trike/