[chbot] simple motor

[Charles Manning]

On Thursday 01 March 2012 06:04:51 Mark Atherton wrote:
>  http://www.youtube.com/watch?v=mJWJXaWz94k

Same idea as http://www.usc.edu/org/edisonchallenge/2008/ws1/DCellMotor.pdf 
and similar.

These a great fun... especially when you get bored with the D cell and use a 
car battery instead.

The one I really think looks cool is 
http://www.youtube.com/watch?v=ac2oBK6IHWM and variants.