The Tucker automobile had many advanced ... It still has the original Franklin modified helicopter engine (6 cylinders, 166 horsepower, rear-mounted). Its top speed is 120 miles per hour, and the ...

As the story goes, Tucker wanted this car to reflect post-war optimism, and he didn't think it was a great idea to remind the American public of naval warfare, U-boats, and battleships.

"It is, in every way, the ultimate Tucker automobile," RM Sotheby's writes. As for the car itself, it featured a rear-mounted, water-cooled aluminum-block engine with horizontally opposed six ...