Standard J-1 Biplane – Build a 1/9-scale Park Flier

The Standard J-1 was a primary trainer used by the Army Air Service from 1917 to 1918. The J-1 was developed from the earlier Sloan and Standard H series, designed by Charles Healey Day. A total of 1,601 J-1s were built. The J-1 was a large airplane with a wingspan of 43 feet, 10 inches and a flying weight of 2,100 pounds. The majority of the J-1s built were equipped with the Hall-Scott 4-cylinder 90hp...