Sikorsky VS-44A Flying Boat Excambian

Sikorsky VS-44

PaysUsa
RôleBateau volant
Premier vol13 août 1937
Construit3

Lla Sikorsky VS-44 était un grand hydravion quadrimoteur construit aux États-Unis au début des années 1940 par Sikorsky Aircraft. Le VS-44 a été conçu principalement pour le marché transatlantique des passagers, avec une capacité de plus de 40 passagers. Trois unités ont été produites: Excalibur, Excambian et Exeter.

Source: Sikorsky VS-44 sur Wikipedia
Sikorsky VS-44A Flying Boat Excambian Walk Around
PhotographerBill Maloney
LocalisationNew England Air Museum
Photos30
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Voir aussi :

Seconde Guerre mondiale : l’histoire visuelle définitive de la Blitzkrieg à la bombe atomique (DK Definitive Visual Histories) - Amazon Carte par carte de la Seconde Guerre mondiale (carte par carte de l’histoire du Danemark) - Amazon

Hydravion à coque Sikorsky VS-44 (Avion classique de profil, Volume 1) - Amazon


General Characteristics and Role

The Sikorsky VS-44A was a large, four-engined commercial flying boat designed by Sikorsky Aircraft in the United States. Built in limited numbers, the VS-44A was specifically intended for long-range, luxurious transatlantic passenger service. It was one of the last major commercial flying boats built in the U.S., entering service just before the widespread development of long-range land-based airliners rendered flying boats obsolete. Only three VS-44As were built, all for American Export Airlines (later American Overseas Airlines), where they were given names like « Excalibur » Et « Exeter. » The aircraft were known for their high cruising speed, long range, and exceptionally comfortable passenger accommodations, representing the pinnacle of the flying boat era.

Property Typical Value (VS-44A)
Rôle Long-Range Commercial Transport / Mail Carrier
National Origin États-Unis
Fabricant Sikorsky Aircraft
First Flight (VS-44A) 1942
Crew 4–5 (Pilot, Co-pilot, Flight Engineer, Navigator, Radio Operator)
Capacity (Passengers) 40 (day seating) or 16 (sleeper berths)
Length 24.23 m (79 ft 6 in)
Envergure 37.80 m (124 ft 0 in)
Height 8.71 m (28 ft 7 in)
Empty Weight 13,000 kg (28,700 lb)
Max Takeoff Weight 26,458 kg (58,300 lb)

Powerplant and Performance

  • Engine: 4 x Pratt & Whitney R-1830-S1C3-G Twin Wasp 14-cylinder radial engines.
  • Power Output (Per Engine): 890 kW (1,200 hp).
  • Maximum Speed: 340 km/h (211 mph; 183 kn).
  • Cruise Speed: 274 km/h (170 mph).
  • Range: 7,200 km (4,500 mi; 3,900 nmi) (Max ferry range).
  • Service Ceiling: 5,900 m (19,400 ft).

Design and Historical Significance

  • Hull Design: Features a deep, robust hull designed to handle the rough seas of the North Atlantic.
  • Comfort: Known for its spacious, pressurized cabin (though operating mostly at lower altitudes) and comfortable sleeper arrangements, offering a true « flying yacht » experience.
  • Wartime Service: During World War II, the VS-44As were pressed into military service, transporting high-priority passengers, diplomats, and urgent cargo across the Atlantic.
  • Survival: One VS-44A, « Hawaii Clipper, » survives today and is the only remaining large four-engine commercial flying boat of U.S. design from that era.

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