Honestly as long as it remains human-powered I don't see a lot of value to be gained. Humans just don't generate a lot of raw power. The quickest way to improv

Honestly as long as it remains human-powered I don't see a lot of value to be gained. Humans just don't generate a lot of raw power. The quickest way to improve this system would probably be to attach it to a set of wind turbine blades or a waterwheel, but "how to build a very poor wind turbine" is not nearly as catchy as a blog post title.