4" vs. 6" + 8" Diameter Wheels

[Vikesrock]

Originally Posted by Hawiian Cadder

i would prefer 5 inch wheels, but settle for 6 inch wheels for several reasons. most of the omni wheels from andymark smaller than 6 inches are very bumpy, also 4 inch mechanums don't exist for FRC. i think 6 inch wheels are the most versatile, and that the tiny benefit of going to 4 inch wheels is not worth the flexibility trade-off.

The 4" dualie omnis on 2175's robot this year gave a smoother ride than 6" omnis we have used in the past IMO. Admittedly they are a bit heavier and are more expensive than a single 6" omni, but the weight and cost both typically are gained back by knocking out a stage of reduction.