A tiered arena has potential a lot of thought needs to go into this on the aspect of floor design. Ramps are a very good idea although it would means ground clearances on some machines would have to be increase. Why stop at 10 - 15mm, if we made the steps somewhere between 50 & 100mm floor design & structure would make it easier to protect edges of the floor. I know there are many machines that cant cope with that height which is where the ramps would come into play. Food for thought for the future.

John

Dantomkia on the other hand would relish a stepped arena as she is capable of keeping her points on the floor when needed and can also drive up a 3 - 4in kerbstone and then drive across the grass if she wants!! Could be fun