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Model number savoia-marchetti s.73 s.73

General Information of Savoia-Marchetti S.73
First Flight : 1934

Manufacturer : Savoia-Marchetti

Primary Users : Ala Littoria; Regia Aeronautica

Produced : 45 [1]

Role : Airliner

Variants : Savoia-Marchetti SM.81

General characteristics of Savoia-Marchetti S.73
Capacity : 18 passengers + 362.9 kg (800 lb) of baggage

Crew : 4

Empty Weight : 5,788 kg (12,760 lb)

Gross Weight : 9,280 kg (20,460 lb)

Height : 4.60 m (15 ft 1 in)

Length : 17.4435 m (57 ft 2.75 in)

Powerplant : 3 × Piaggio Stella P.IX R.C. 9-cyl air-cooled radial piston engines, 520 kW (700 hp) each (prototype fitted with 3 x 447.42 kW (600 hp) Gnome-Rhone 9Kfs radial engines)

Propellers : 3-bladed metal variable pitch

Wing Area : 92.97 m2 (1,000.7 sq ft)

Wingspan : 23.99452 m (78 ft 8.666 in)

Performance of Savoia-Marchetti S.73
Cruise Speed : 280km/h; 151kn (174mph)

Maximum Speed : 330km/h; 178kn (205mph); At 4,000m (13,123ft). On two engines, maximum speed was 270km/h (168mph)

Range : 1,600km; 864nmi (994mi)

Rate Of Climb : 3.333m/s (656.1ft/min)

Service Ceiling : 7,398m (24,272ft) On two engines 4,399m (14,432ft)

Stall Speed : 90km/h; 49kn (56mph)

Time To Altitude : 2,000m (6,562ft) in 10 minutes; 4,000m (13,123ft) in 20 minutes; 6,000m (19,685ft) in 33 minutes

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