25 July 2012

24 July 2012

22 July 2012

19 July 2012

15 July 2012

Engineering



Once you've got a vague prototype in your head, it's not that tricky

12 July 2012

Addendum



Reduce speed when approaching skirt swishers (or Kurt Schwitters)

11 July 2012

8 July 2012

2 July 2012