Hoppenstand Industries Car Company Designers Draft Sports Car 1948

Description

Based in far western Pennsylvania, Hoppenstand had started building aluminum boats after the war but quickly determined that aluminum would make an excellent material for a small, lightweight automobile's body, as
Robert D. Cunningham wrote for The Old Motor
. He launched Hoppenstand Motors in 1948 to build the Gregory, a rear-engined, 684-pound, 5 car named after his son. He planned three versions: the Collegiate roadster, the International coupe, and the Roadette convertible, all powered by an 8.5hp Firebug air-cooled opposed twin-cylinder engine that would reportedly return a 50 mph top speed and 55 miles to the gallon.
2 cars were made and one appeared in a parade as an image here.
Original design drawing measures 16" x 20" taped to mat.
The only known draft to support all his work.