Kinner Sportster K-1 and B-1, 1933, with a 5-cylinder radial engine of 100 horsepower (75 kW) to 125 horsepower (93 kW). Became rather popular and sold in some dozen pcs. A few of them still flying. The Kinner K-5 and B-5 engines were also delivered to a wide variety of other aircraft manufacturers including Monocoupe, Waco, St. Louis Car Company, and Fleet. The design later evolved into the Security Aircraft Company Airster.
Kinner Envoy C-7, 1934 with 300 horsepower (220 kW) Kinner C-7 engine, with room for four persons. It was sold to private owner pilots and to the US Navy as XRK-1, and remained in use well into the 1940s. This was the last production model of the Kinners.