Quote:
Originally Posted by Ginger Power
Both of these points make sense. The same functionality behind the "kizzy drive" can be achieved with wheels that are tangent to the ground. Thanks for the comments!
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Also, it would require a lot less machining to mount the feet on pneumatic cylinders (though you'd still have to harden them against lateral forces, perhaps with a pipe-within-a-pipe), and hard-mount the wheels. Whichever you actuate, moving the feet close to the where the wheels contact the carpet will decrease the vertical travel required to reliably switch.