Thank you, there is no rush, any information will be very useful!.
I find this link:
http://www.sas1946.com/main/index.php?topic=37813.0Variants:
G.91 – Prototypes and pre-production aircraft.
G.91R/1 – Light attack/reconnaissance aircraft, fitted with modified nose housing three cameras. (AMI)
G.91R/1A – 4 X Browning M3 12,7 mm (AMI)
G.91R/1B – 2 X 30 mm DEFA cannons. (AMI)
G.91R/3 – 2 X 30 mm DEFA cannons. (Luftwaffe)
General characteristics:
Crew: 1
Length: 10.3 m (33 ft 9 in)
Wingspan: 8.56 m (28 ft 1 in)
Height: 4.0 m (13 ft 1 in)
Wing area: 16.4 m² (177 ft²)
Empty weight: 3,100 kg (6,830 lb)
Loaded weight: 5,440 kg (11,990 lb)
Max. takeoff weight: 5,500 kg (12,100 lb)
Powerplant: 1 × Bristol Siddeley Orpheus 803 turbojet, 22.2 kN (5,000 lbf)
Performance
Maximum speed: 1,075 km/h (580 kn, 668 mph)
Range: 1,150 km (621 nmi, 715 mi)
Service ceiling: 13,100 m (43,000 ft)
Rate of climb: 30 m/s (6,000 ft/min)
Wing loading: 331 kg/m² (67.8 lb/ft²)
Thrust/weight: 0.42
Armament
Guns:
4× 12.7 mm (0.50 in) M3 Browning machine guns (AMI G.91R/1A);
2× 30 mm (1.18 in) DEFA cannons (AMI G.91R/1B - Luftwaffe G.91R/3)
Hardpoints :
4× under-wing pylon stations holding up to maximum of 1,814 kg/4,000 lb of payload for G.91Y, 680 kg/1,500 lb for G.91R/3 and 500 kg/1,100 lb for G.91R/1
Rockets:
2× Matra rocket pods (each with 19× SNEB 68 mm rockets); or
18× Hispano SURA R80 80 mm rockets
Bombs: A wide variety of air-to-ground ordnance including unguided iron bombs, gun pods in addition to auxiliary drop tanks for extended range.
----- IMPORTANT -----
It would be important to also find some comment from a pilot who has effectively piloted that aircraft type.