Recent content by BILL1953

I recently visited the Null Winds site and decided to try the concept with aluminum sheets and duct tape. I ride a step-through e-bike with a 500 watt 8fun motor and a 48 volt 13 amp hour battery. I normally get about 34 km. of range out of the battery when I ride at full speed over a set course...

I have always wanted a simple way of improving aerodynamics for extended battery range without a lot of expense and hard work involved. Has anyone heard of spoke fins? They seem to be an incredibly cheap and simple way to substantially improve aerodynamics. They are based on the idea that spoke...