[roystur44]

Increase the flanges on the front and back to add more metal. Consider bending another return flange. Select the aluminum type: 1100, 3003, 6061-T0-T6 or 5052-H32 then check you minimum bend radius with the people who are going to bend your parts.

Needs a integrated belly pan to stiffen the chassis. Add some joggles on the length to make it stiff. Consider a separate electronics panel so you can preassemble your electronics

Don't forget the mounting points for the manipulator.

Needs quick release bumper brackets and battery box

Add clearance through holes to tigthen the CIM on the transmission.

Loctite your nuts before competition.