Originally Posted by ICE MAN

my team this year is designing a six wheeled robot. two of the wheels that are located in the rear of the robot will be sitting about 1/8-3/16 above the rest of the wheels. why do this? this year our design has a high cg so if we get pushed our robot might tip. so the two wheels that sit up will only come into play when we are about to tip.

Originally Posted by sgsdragons

We ARE planning on using one. We actually are building our wheels right now. Last year, I saw many omni-drive robots that didn't pivot and didn't have any problems. What do you think?

Josh

Originally Posted by M. Krass

Are you building a holonomic platform such that it can move in any direction without turning or are you just using omniwheels to aid turning?

If the latter, there's a far greater chance your chassis will be twisted than the floor will be noticeably out of level.