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Just finished reading the book, "Can-Am Challenger" by Peter Bryant. He was the guy who designed, built and raced the Ti-22 Can-Am racer and later the UOP Shadow racer. Book contains many sketches and drawings of how to build a car using light weight castings and monocoque sheet metal. This was near 40 years ago and the chassis pictures look quite similar.

I'm guessing that today the monocoque might be carbon fiber or something similar, but aluminum honyecomb could still work handsomely. A sandwich with some thickness and carefully chosen bulkheads seems to be the key to chassis stiffness. That front suspension didn't look inexpensive either!
The more complete propaganda material from this Co. mentions that the skins can be Al or SS, depending, and other materials are possible. The core would be a foam of some sort, and sounds like plastic/epoxy or some such polymer. Joints glued? If skin is metal, perhaps some welding is the way to do it? I can believe that the result would be very rigid, and as they note, light weight. As to crash-worthiness, I would wonder about that. Anyway, this chassis plus the FG shell of a Speedster replica, and I think even the Good Dr. F. Porsche would approve. Might be the car he would have built, if he could have. Aside from what likely would be an astronomical price, I'm very cool w/ this concept. Who's going to be first in the SOC to get one?? angela??
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