In this picture you can see the paddle-wheel in the center:
And in this one you can see the rudder attached to the front fork:
Arranged in proper order, these three shots are a sequence over just a second or two, from last year’s Kinetic Sculpture Race in Corvallis, Oregon.
Here it is with several competitors, approaching the end of the river run:
Many thanks to Mary and Bruce Stephens for these photos!
Yes, like any ship, it needs to move a minimum speed in order to “answer the helm”.
This thing was a two-wheeler originally. But it proved impossible to keep it upright in rough terrain. Here it is on Playa in 2007; photo by Marc Merlin:
By the way, the Grand Championship Kinetic Sculpture Race is only two weeks away – Memorial Weekend in Humboldt County, Northern California. http://kineticgrandchampionship.com/
Time for me to do something useful for a while.