A derivative of the VG 30, the VG 31, differed by having the radiator bath moved aft to improve the C of G, and having a smaller wing of 12.00 sq.m. It was proposed to power this development with an 860hp Hispano-Suiza 12Y31 12- cylinder liquid-cooled engine, but the prototype was never assembled.
The VG 32 reverted to the original wing and was powered by a 1,040hp Allison V-1710- C15 engine, but the prototype was captured by German forces at Villacoublay two weeks before its scheduled maiden flight in 1940.
The first development of the basic design to fly was the VG 33, on 24 May 1939. A production contract for 220 examples was placed in September 1939, this contract eventually being increased to 1,000 machines, but only 19 had been completed by the Chantiers Aero-Maritimes de la Seine by the fall of France.
The VG 33 was armamed with one 20mm Hispano-Suiza 404 cannon and four 7.5mm MAC 1934 M39 machine guns, and was powered by an 860hp Hispano-Suiza 12Y31 engine.
Engine: 860hp Hispano-Suiza 12Y31
Take-off weight: 2720 kg / 5997 lb
Empty weight: 1800 kg / 3968 lb
Wingspan: 10.80 m / 35 ft 5 in
Length: 8.55 m / 28 ft 1 in
Height: 3.35 m / 10 ft 12 in
Wing area: 14 sq.m / 150.69 sq ft
Max. speed: 558 km/h / 347 mph
Cruise speed: 487 km/h / 303 mph
Ceiling: 11000 m / 36100 ft
Range: 1200 km / 746 miles