: Footage of the unusual pusher-propeller system and the operation of the nacelle-mounted cannons.
: It featured a unique pusher configuration with the engines and propellers mounted behind the wing, allowing for two forward-facing gunner nacelles equipped with 37mm cannons. Yfm (81) mp4
: Developed by the Bell Aircraft Corporation , the YFM-1 was designed as a "multi-place fighter" intended to intercept enemy bombers. : Footage of the unusual pusher-propeller system and