Ambrosini SAI.107 / 207

1st Flight 1941

Military Users – Regia Aeronautica.

Ambrosini 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.

Ambrosini SAI.107

The SAI.207 was a single-seat, low-wing monoplane with a conventional tail-wheel 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 center-line cooling air intake, provided speed and agility.

Ambrosini SAI.207

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.

Ambrosini SAI.207

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.

Ambrosini SAI.207

Specifications-

Crew: 1

Length: 8.0201 m (26 ft 3.75 in)

Wingspan: 9.004 m (29 ft 6.5 in)

Height: 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)

Ambrosini SAI.207

Power plant: 1 × Isotta Fraschini Delta III R.C.40 inverted V-12 engine, 560 kW (750 hp)

Performance

Maximum speed: 641 km/h (398 mph, 346 kn)

Cruise speed: 489 km/h (304 mph, 264 kn)

Range: 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

Armament

Guns: 2 × 12.7 mm (0.500 in) Breda-SAFAT machine guns plus (MM8433 only) 2 × 20 mm (0.787 in) cannon

Ambrosini SAI.207

Credits-

The Encyclopedia of World Aircraft-David Donald

Italian Civil And Military Aircraft, 1930-1945-Jonathan Thompson.

Wikipedia.

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