Ambrosini (Aerfer) Sagittario II
1956
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Ambrosini (Aerfer) Sagittario II

After tests with a 45 sweptback wing fitted to an otherwise standard Ambrosini S.7, thus nicknamed Freccia (Arrow), the designer Sergio Stefanutti designed the Sagittario (Archer) powered by a 400kg thrust Turbomeca Marbore turbojet. Intended mainly for aerodynamic research into transonic compressibility, the Sagittario was built largely of wood, and flew for the first time on 5 January 1953. From this initial prototype Stefanutti subsequently developed the Sagittario II, which made its maiden flight on 19 May 1956. Powered by a Rolls-Royce Derwent 9 turbojet, this more advanced aircraft was virtually a new design and of all-metal construction. The Sagittario II was the first aircraft of Italian design to exceed Mach unity when it reached Mach 1.1 in a dive on 4 December 1956.


Specification 
 MODELSagittario II
 ENGINE1 x Rolls-Royce Derwent 9 turbojet, 1633kg
 WEIGHTS
    Loaded weight3300 kg7275 lb
    Empty weight2300 kg5071 lb
 DIMENSIONS
    Wingspan7.5 m25 ft 7 in
    Length9.5 m31 ft 2 in
    Wing area14.50 m2156.08 sq ft
 PERFORMANCE
    Max. speed1020 km/h634 mph
    Ceiling14000 m45950 ft
    Range765 km475 miles
 ARMAMENT2 x 30mm cannon

Comments
Barry, 13.02.2013

Why only 2 Dale? See the next entry for Aeriete which explains exactly why.

Dale Schofield, 08.01.2012

I should also add that this model that I have came from my Father-in-Law that visited Italy in 1956 on a business trip while working for Boeing Aircraft U.S.A.. I believe it was given to him at this time. It stands on a pedestal with engravings on it. There was a small medalion attached to it but that is missing.
AERFER
DIVISIONE AVIAZIONS
A.S. ARIETE
derivato dal SAGITTARIO 2

Dale Schofield, 08.01.2012

Great aircraft, I wonder why they only produced 2 of them. I have an all metal (chrome) desktop display of this aircraft. It is a beautiful piece

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