In-house power generation using roller shoes

A little long ago, it seems to try to generate electricity with shoes with rollers popular with children.

ShoesHeelys sneakersUse the back roller to generate electricity. First I will put a gear on this roller. Gears borrowed from a broken printer. Then process the back of the shoe and attach the motor. It is all self-made.

Movie, details are as follows.

Sustainable Energy - Christian Croft Spring 2007

A movie with a motor attached. By the way this motor is also made by me.
YouTube - Hacking into shoe with dremmel tool


Test of power generation. It seems that I managed to generate electricity.
YouTube - Wheeled shoe mod peaks at 8 V output


LED lights, buzzer is on. It seems to have succeeded.
YouTube - Wheeled shoe power lights up LED panel and buzzer


Actually this is the second project, the first project is from here.
YouTube - Shoe Plunger Prototype


It's quite interesting, but it may not be practical for a moment.

The idea of ​​power generation with shoes seems to have been around for quite a long time, so it seems that various things are being made up to now. However, there seems to be no prototype at present so far.