Sikorsky S-4 - Misplaced Pages

S-4

S-4 displayed at an exhibition in Kharkov in the spring of 1911
Role	ExperimentalType of aircraft
National origin	Russian Empire
Designer	Igor Sikorsky
Introduction	1911
Number built	1
Developed from	Sikorsky S-3

The Sikorsky S-4 was a Russian aircraft built by Igor Sikorsky using many components of the S-3 including the 40 hp (30 kW) Anzani three-cylinder engine. Construction of the biplane began in late December 1910 and was completed early in the spring of 1911. The machine appeared in a static display at an aeronautical exhibition at Kharkov in the spring of 1911, but was never flown. Some time afterward it was disassembled.

Specifications

Data from Russian Aviation Museum

General characteristics

Crew: One
Length: 26 ft 3 in (8 m)
Upper wingspan: 29 ft 6 in (9 m)
Wing area: 300 sq ft (28 m)
Empty weight: 573 lb (260 kg)
Gross weight: 794 lb (360 kg)
Powerplant: 1 × Anzani 3 -cylinder air-cooled fan piston engine, 40 hp (30 kW)

Performance

References

Sikorsky, Igor (1944). The Story of the Winged-S. New York: Dodd, Mead & Company. p. 43. ISBN 9781258163556.
"S-4". ram-home.com. 4 September 1997. Retrieved 4 April 2017.

v t e Sikorsky aircraft
Fixed-wing aircraft (company designations)	S-1 S-2 S-3 S-4 S-5 S-6 S-7 S-8 S-9 S-10 S-11 S-12 S-13 S-14 S-15 S-16 S-17 S-18 S-19 S-20 S-21 S-22/23/24/25/26/27 S-28 S-29-A S-30 S-31 S-32 S-33 S-34 S-35 S-36 S-37 S-38 S-39 S-40 S-41 S-42 S-43 VS-44 S-45
Fixed-wing aircraft (military designations)	C-6 C-28 JRS JR2S PS P2S RS XBLR-3 XPBS XSS XV-2
Helicopters (company designations)	VS-300 (S-46) S-47 S-48 S-49 S-50 S-51 S-52 S-53 S-54 S-55 S-56 S-57 S-58 S-59 S-60 S-61 S-61L/N S-61R S-62 S-63 S-64 S-65 S-66 S-67 S-68 S-69 S-70 S-71 S-72 S-73 S-74 S-75 S-76 S-80 S-92 S-95 S-97 S-100 S-102 S-103 S-300 S-333 S-434
Helicopters (military designations)	SH-3 Sea King HH-3E/F R-4 H-5 H-6 H-18 H-19 Chickasaw H-34 Choctaw CH-37 Mojave XH-39 HH-52A Seaguard CH-53 Sea Stallion CH-53E Super Stallion CH-53K King Stallion MH-53 CH-54 Tarhe UH-60 Black Hawk HH-60G Pave Hawk HH-60J/MH-60T MH-60R/S Seahawk SH-60B/F Seahawk H-60J/K VH-60 RAH-66 Comanche VH-92 Patriot CH-124 Sea King CH-148 Cyclone HLH
Experimental aircraft	Cypher/Cypher II Firefly Raider Raider X SB-1 X2 XBLR-3 XV-2

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