[Mr_I]

Originally Posted by acidrain2012

Our team is planning on using plaction wheels up front and omnis in the rear to provide a good turning circle and good traction. We are using good old fashioned tank drive.

We've used a similar design (IFI High Traction instead of Plaction) for years with excellent results. In our early days we used 4-wheel skid steering as you initially described, and went through batteries in just under 2 minutes.