a 35 sec video of a 1932 Propeller-car.

"In the 1900s, France spent a significant amount of money on airplane development ($22 million compared to one-half million by the Ú.S.) Believing propeller power was the most efficient means of moving a vehicle, entrepreneurs built propeller-powered cars.
This one-of-a-kind 1932 Helicron was discovered in 2000 in a barn where it had been placed by the original owners in the late 1930s. After discovery, the Helicron was completely rebuilt using many of the original components. Unfortunately, the original motor is lost to time; in its place is a 1980s Citroen GS 4-cylinder motor that will propel this 1,000 pound vehicle to 75 mph."

This video was shared by fellow pixacar member Brian777

Text Source - Lanemotormuseum.org