From: http://www.argothypermedia.com/fma/19431955/19431955_08e.html
(I've rearranged and cleaned up the 3-view a bit.)
PROYECTO I.AE. 26 D - 600
Conventional fighter (designed by Ing. Emile Dewoitine) with powerplant options of Rolls Royce Merlin III of 1030 hp (delivery of which was denied by Britain after a series of solicitations by the FMA) or Daimler Benz DB 601A inverted V12 of 1,100 HP (to be provided by Spain). The Project is cancelled in favour of the B-700 (I.Ae.27) Pulqui I.
Characteristics: span 10.20 m; length 8.90 m; wing area 15.92 m²; weight empty 2,090 kg; gross weight 2,740 kg; terminal velocity 560 km/h; theoretical ceiling 10,000 m; range 1,400 km; armament: one 20mm HS-404, four 7,50 mm MAC 1934 M39 machine guns.