The Ball-Bearing Electric Motor (2003)(electricstuff.co.uk) |
The Ball-Bearing Electric Motor (2003)(electricstuff.co.uk) |
I built one of these at university as a research project and it works well (albeit drawing a huge amount of current!). Interestingly enough it works just as well in either direction, depending which way you give it an initial push - the polarity of the DC terminals doesn’t matter at all!
I built one of these at university as a research project and it works well (albeit drawing a huge amount of current!). Interestingly enough it works just as well in either direction, depending which way you give it an initial push - the polarity of the DC terminals doesn’t matter at all!
But undenyably very .. cool?