The junkbots project has now being running for 18 months in Northamptonshire, UK. But how have the junkbots being built? A video produced by one of the particpants can be found here , showing some of the examples. Several ways have been investigated by the participants in the next few blogs some of these will be talked about. Let's start with the main approach, simplest way and probably the quickest:- A drink can and an unbalanced motor - shaking its way around. Take a 330ml drinks can and put it on its side. Fix an electric motor over one end of the can, packing tape is good for this (but not very environmentally friendly). Attach something to the motor's spindle that unbalances the motor, the goal is to get it vibrating. Broken propellers, cogs with Blu-tak, cogs with modelling clay have all being tried. The problem with this, is turn the motor on and the junkbots rolls over onto it side and goes around in circles. A couple of fixes students have tried, adding outrigg...
This is an initiative to mix sustainability, engineering and computing to students.