Chassis for Mieke';s quarter scale 1932 formula 1 replica

Good to have a workshop back in action. I'm building a quarter scale proof of concept chassis to emulate a 1930's style auto-union (AUDI) Formula 1 racer.
http://www.seriouswheels.com/cars/top-2007-Auto-Union-Type-C-Pedal-Car.htm