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Ambrosini SAI.107 / SAI.207

The Ambrosini SAI.207 was a light fighter interceptor built entirely from wood and developed in Italy during World War II.

Powered by a single 750 hp Isotta Fraschini Delta, the SAI.207 enjoyed limited success during evaluation of the 12 pre-production aircraft.

The SAI.207 was a single seat, low wing monoplane with a conventional tailwheel undercarriage, developed from the Ambrosini SAI.7.

Its lightweight wooden construction, combined with a 560 kW (751 hp) Isotta-Fraschini Delta R.C.40 inverted-V engine, with a centreline cooling air intake, provided speed and agility.

Armament consisted of two fuselage-mounted 12.7 mm (0.500 in) Breda-SAFAT machine guns.

In level flight the performance of the SAI.207 was impressive.

It achieved a speed of 580 km/h (360 mph) and over 800 km/h (497 mph) in a dive.

The Ministero dell’Aeronautica soon placed a production order for 2,000 machines, plus a pre-production batch of 12 aircraft for operational testing.

After the mixed results of operational evaluation and the signing of the Armistice, no production aircraft were built.





8.0201 m (26 ft 3.75 in)


9.004 m (29 ft 6.5 in)


2.87 m (9 ft 5 in)

Wing area

13.90 m2 (149.6 sq ft)

Empty weight

1,750 kg (3,858 lb)

Gross weight

2,415 kg (5,324 lb)


1 × Isotta Fraschini Delta III R.C.40, inverted V-12 engine,

560 kW (750 hp)


Maximum speed

641 km/h (398 mph, 346 kn)

Cruise speed

489 km/h (304 mph, 264 kn)


850 km (528 mi, 459 nmi)

Service ceiling

12,000 m (39,370 ft)

Rate of climb

13.25 m/s (2,608 ft/min)

Time to altitude

6,000 m (19,685 ft) in 7 minutes 33 seconds



2 × 12.7 mm (0.500 in) Breda-SAFAT machine guns plus (MM8433 only)

2 × 20 mm (0.787 in) cannon


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