 Following the end of the War, Hall and Tommy Thompson designed and developed the Convair Model 116 featured in "Popular Mechanics" magazine in 1946.The Model 116 consisted of a two-seat car body, powered by a rear-mounted 26 hp (19 kW) engine, with detachable monoplane wings and tail boom, fitted with their own tractor configuration 90 hp (67 kW) Franklin 4A4 (later 95 hp 4AL) engine driving a two bladed wooden propeller.The Model 116 (NX90654) flew on July 12, 1946 with pilot Russell Rogers at the controls.