4wd should be a good compromise

revised stats:

Name: Robo-Platypus
Shape: A Box with a flipper at the front
Colour: Red with a picture of a platypus on top facing the rear, the tail covers the flipper
Speed: 15MPH
Weight: 100KG
Armour: 4MM Titanium
Drive: 2 C40-300 Magmotors @ 36V
Power: 6 NiCad Battlepacks @ 36V
Locomotion: 4 Wheels that just poke through the top and bottom of the robot
Ground Clearance: 3MM, 0 at the front of the flipper
Turning Circle: 0
Weaponry: A rear-hinged flipper powered by a 80X100 ram at 750 PSI, powered by a 2.5KG Co2 tank, the flipper also has a built-in front-hinged flipper powered by an identical ram and runs off an identical Co2 tank , the first flipper is 40X30X1 and the other is 20X15X1 and is exactly in the middle of the other flipper
Srimech: Invertable and the flipper can right it
Strengths: Powerful flippers, Fast, Invertable, Unique weapon
Weaknesses: May be hard to control