Savoia Marchetti S.55

Savoia Marchetti S.55
Χώρα	Ιταλία
Ρόλο	Ιπτάμενο σκάφος
Πρώτη πτήση	Αύγουστος 1924
Χτισμένο	240+

Teh Σαβοΐα-Μαρκέτι S.55 ήταν ένα ιπτάμενο σκάφος διπλού κύτους που παρήχθη στην Ιταλία, ξεκινώντας το 1924. Λίγο μετά την εισαγωγή του, άρχισε να θέτει ρεκόρ ταχύτητας, ωφέλιμου φορτίου, υψομέτρου και εμβέλειας.

Πηγή: Σαβοΐα Μαρκέτι S.55on Βικιπαίδεια

Savoia Marchetti S.55 (Jahu) Walk Around
Photographer	Peter Booij
Localisation	Unknow
Photos	60

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General Characteristics and Role

The Savoia-Marchetti S.55 was a unique and revolutionary Italian twin-hulled flying boat developed in the 1920s. Its distinctive design featured two separate boat-like hulls, a thick, high-mounted parasol wing, and engines mounted high above the wing in a tandem (push-pull) configuration. This configuration was intended to keep the propellers clear of water spray. The S.55 was primarily designed as a long-range transport and reconnaissance flying boat. It achieved international fame and recognition for its numerous record-breaking flights, including transatlantic crossings and mass formation flights, which demonstrated the reliability and range of Italian aviation.

Property	Typical Value (S.55A)
Ρόλο	Long-Range Transport, Maritime Reconnaissance
National Origin	Kingdom of Italy
Κατασκευαστής	Σαβόια-Marchetti
First Flight	Αύγουστος 1924
Πλήρωμα	2 to 5 (depending on mission)
Χωρητικότητα	12 passengers (or equivalent cargo/bombs)
Μήκος	16.50 m (54 ft 2 in)
Εκπέτασμα	24.00 m (78 ft 9 in)
Ύψος	5.00 m (16 ft 5 in)
Max Takeoff Weight	7,000 kg (15,432 lb)

Powerplant and Performance

Engine: Typically 2 x Isotta Fraschini Asso 750 V-12 liquid-cooled piston engines (various engines used across variants).
Power Output (Total): 2 x 560 kW (750 hp) (S.55X model used 800 hp engines).
Maximum Speed: 279 km/h (173 mph; 151 kn).
Cruise Speed: 240 km/h (150 mph; 130 kn).
Range: 3,500 km (2,200 mi; 1,900 nmi).
Key Feature: The tandem engine placement (one pusher, one tractor) on the central strut was designed to improve efficiency and reduce water interference.

Record Flights and Legacy

Transatlantic Success: The S.55 achieved worldwide fame, most notably through flights led by Italian aviator and Air Minister Italo Balbo.
The “Crociera Aerea del Decennale”: In 1933, Balbo led a formation of 24 S.55X flying boats from Rome to Chicago (via Iceland and Newfoundland) and back, a stunning display of long-range formation flying and reliability.
Design Principle: The split-hull design concentrated the mass near the water line for stability, while the elevated wing and tail boom structure kept them clear of the spray.
Operational Use: Served with the Regia Aeronautica (Italian Royal Air Force) for patrol and bombing duties until the mid-1930s.