 The first was to have had 350 km/h (190 knots/220 mph) maximum speed, five hours endurance, three machine guns and a bomblets dispenser, armour, and the capability to operate from improvised airfields.The heavier aircraft was to have had maximum speed, at least endurance, ceiling, climb to in 19 minutes, three crew, five weapons, a high wing and other details.Limited production of the IMAM Ro.30, an improved Ro.1 with a defensive turret and better engine, resulted.