Here is some Benes-Marz Projects;
Be-54 was two-seat low-wing fixed landing gear light aircraft project of 1936,called
Super Beta,powered by one Major 6 engine.
Be-55 was two-seat elementary school trainer low-wing aircraft project,with retractable
landing gear.
Be-57 was a high-speed tourist low-wing aircraft project,with fixed landing gear and
powered by one Major 6 engine.
Be-74 was a twin engined low-wing medium bomber project of 1936,with retractable
landing gear,estimated speed of 370 km/h,and powered by two Walter Sagitta
engines.
Be-75 was a high-speed low-wing mail carrier aircraft project of 1936,with retractable
landing gear,estimated speed 500 km/h and powered by two Walter Sagitta
engines.
Be-84 was a low-wing eight-seat light transport aircraft project of 1936,with retractable
landing gear and powered by two Walter Sagitta engines.
Be-87 was a low-wing light bomber aircraft project of 1937,with retractable landing gear
and powered by two 515 hp Walter mars engines.
Be-700 & Be-590 was a four engined low-wing light transport aircraft projects of 1939,with
retractable landing gear and powered by four Mikrony (700) or Minory (590)
engines.
Ceskoslovenska Letadla 1