I am doing my best to enjoy my extended childhood.

The lotuses were light and very known for being fragile and fast.
The formula F cars are pretty sturdy and if built by Lotus before restrictions would probably weigh 600# instead of the legally mandated 900# or so.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.

[SIGPIC]
..I also have a 427 Cobra replica with an aluminum chassis.