Timeline for Larger wheels - easier to turn?
Current License: CC BY-SA 2.5
4 events
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Nov 8, 2010 at 1:00 | comment | added | Kibbee | Actually, I'm not sure of the math/physics behind it, but smaller wheels generally require a lot more maintenance. From what I've heard, if you tow a trailer with small wheels behind a car, you have to be sure the bearing are properly greased, or they can seize up. Higher (rotational) speed results in increased friction, which causes excessive heat, and causes the grease to break down faster. | |
Nov 5, 2010 at 21:30 | comment | added | Cascabel | Traveling farther on the bearing doesn't mean it's any harder - force of kinetic friction doesn't usually have a strong dependence on velocity. | |
Nov 5, 2010 at 18:06 | comment | added | zigdon | Oh, sure, wheel size is calculated into the gear ratio, basically, but the sentiment I get is that even if the gears compensate for the different circumference, the larger wheels are "easier". And that's the part that confuses me. | |
Nov 5, 2010 at 18:05 | history | answered | sixtyfootersdude | CC BY-SA 2.5 |