Chief Delphi - Mechanum Wheel Sizes

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- Technical Discussion (http://www.chiefdelphi.com/forums/forumdisplay.php?f=22)

- - Mechanum Wheel Sizes (http://www.chiefdelphi.com/forums/showthread.php?t=106306)

rocknthehawk

07-05-2012 12:19

Re: Mechanum Wheel Sizes

Quote:

Originally Posted by pfreivald (Post 1167712)

Looks like added complexity to me. It's not like the robot just dies the moment one wheel is in the air -- this is what practice is for! A centered CG and a rugged, non-racked frame is more important than a flexible frame.

If I could like this, I would.

You can see our base here: http://www.chiefdelphi.com/media/img...933a08b7_l.jpg

It was rigid, many times we'd lift a corner getting onto the bridge. The robot isn't going to instantly spin out if one wheels loses contact. Plenty of practice will be your biggest help. Build it with parts available, practice, and then decide if it's worth continuing to build upon.

pfreivald

07-05-2012 18:24

Re: Mechanum Wheel Sizes

Quote:

Originally Posted by rocknthehawk (Post 1167715)

It was rigid, many times we'd lift a corner getting onto the bridge. The robot isn't going to instantly spin out if one wheels loses contact. Plenty of practice will be your biggest help. Build it with parts available, practice, and then decide if it's worth continuing to build upon.

Exactly. It will still handle (almost) exactly like a tank drive if you aren't trying to strafe.

CalTran

07-05-2012 18:42

Re: Mechanum Wheel Sizes

Quote:

Originally Posted by pfreivald (Post 1167712)

In fact, they drive exactly like a 1st person shooter

Suddenly, I think I'm going to convince my buddy programmer to program an xbox controller for our demo bot...(It's our 2010 robot, Trigger, for those familiar with us)

Anyone maybe want to PM me simple code and instructions?

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