Scale Model "Marcoux-Bromberg Special", 1939, scale 1/144
The original airplane was built to the design of Keith Rider as the R-3 during 1933 and 1934. In 1936 is was purchased by Hal Marcoux and Jack Bromberg carried out major modifications.
In 1936, with pilot Earl Ortman, the plane qualified for the Thompson Trophy Race and took second place in the race at an average speed of 248 mph. It also took second place at the Thompson race in 1937, and 1938, and third in 1939. In 1936 it won the Golden Gate Trophy and in 1937 took second in the Bendix Transcontinental, making it one of the most consistently successful air racers of the 1930s. It was powered successively by Pratt & Whitney Wasp Jr., Wasp and finally a Twin Wasp Jr. Special.
Today the aircraft is still extant and is an exhibit at the New England Air Museum.