Here goes a bicycle version of the Skatecycle, same folding requirement as the μPython, to fit in the back of small car boot with seat up. For 20" wheels, double-pivot folding mechanism is used for max compactness. The seat is split into 2 pieces, with the backrest mounted to the rear pivot to control the rear wheel, which makes this bike all wheel steering (AWS), with rear wheel turning only when the body leans into a turn. Turning feels tighter and smoother than regular python; going straight is not too bad, but instability seems more sudden / unpredictable... Also see more use of sticks for stabilization (skiing?) http://www.youtube.com/watch?v=USd9OYN4BEY ________________________________ From: Vi Vuong <vi_vuong@xxxxxxxxx> To: Python <python@xxxxxxxxxxxxx> Sent: Sat, April 2, 2011 10:39:48 AM Subject: [python] 2-Headed Python (Skatecycle) In case RWS is not challenging enough... Interestingly, first prototype has one 1 pivot like a python, then evolved to 2 pivots; see http://www.youtube.com/watch?v=kzoQ1JrTVgk&feature=related Vi