Out of curiosity, I built a Lego model of a three wheel cluster of one of these dollies and tried it on different sized steps to figure out what relative wheel cluster size works best
Негізгі бет The motion of stair climbing dollies
Out of curiosity, I built a Lego model of a three wheel cluster of one of these dollies and tried it on different sized steps to figure out what relative wheel cluster size works best
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