Propeller-driven cars, a novel concept primarily explored in the early 20th century, utilize an aircraft-style propeller for propulsion instead of traditional wheels or tracks. These vehicles harness the thrust generated by a rear or front-mounted propeller to move forward. The idea emerged from the innovation and enthusiasm surrounding aviation technology of that era. Notably, Marcel Leyat, a French engineer, created the Helica in 1921, one of the most famous propeller-driven cars. While offering advantages like reduced mechanical complexity and unique design aesthetics, propeller-driven cars faced significant challenges. These included safety concerns due to exposed propellers, inefficiency at lower speeds, and difficulties in maneuvering. Ultimately, despite their intriguing engineering and futuristic appeal, propeller-driven cars did not achieve mainstream success, overshadowed by the practical advantages of internal combustion engines and the increasing sophistication of conventional automotive technology.