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Originally Posted by trc_13
How about using spokes to push the robot up to the stair
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Spokes? you mean like something to grab the edge of the stair and pull it up...what if your, lets say, wheels where big enough and had sort of a toothed tread and it could easily grab and hold an edge and work its way up...giving you had clearence, and everything else needed...multiple wheels, 4 wheel drive...