3 ms·
They should add wheels on sides as well to reduce lateral wall frictions!
by shultays 4y ago
They should add wheels on sides as well to reduce lateral wall frictions!
- mcv 4y agoI'm not sure small wheels would really be an improvement, and large wheels would weigh a lot. So it's entirely possible that a smooth surface is actually the best approach here.
- snappr021 4y ago2 Skateboard wheels embedded in the bodywork, to touch the wall front and rear, and off to the races.