Originally Posted by
unterhausen
All the charts I have seen show power plateauing, even with a resistive load. Open circuit voltage is at zero power delivered.
This data is over a decade old. Screen print below:
Above screen print from this article. Article describes testing apparatus, and includes some discussion on difference between LEDs and resistors.
https://www.cyclinguk.org/sites/defa...ub-dynamos.pdf
Reading this article was one of the pieces of info out there that convinced me to buy my first dynohub. So, although it is over a decade old, I remember the article for that reason.