Sikorsky XV-2 - Helicopter - avia.wikisort.org

avia.wikisort.org - Helicopter

The Sikorsky XV-2, also known by the Sikorsky Aircraft model number S-57, was a planned experimental stoppable rotor aircraft, designated as a convertiplane, developed for a joint research program between the United States Air Force and the United States Army. The program was cancelled before construction of the prototype began.

XV-2

Role	Stoppable rotor aircraft Type of aircraft
National origin	United States
Manufacturer	Sikorsky Aircraft
Number built	0

Design and development

The XV-2 was developed as part of a joint U.S. Air Force and U.S. Army program intended to explore technologies to develop an aircraft that could take off and land like a helicopter but fly at faster airspeeds, similar to a conventional airplane. The XV-2's stoppable-rotor design was intended to allow it to hover and fly at low speed like a conventional helicopter. It utilized a single-rotor design; a counterweight provided stability to the rotor system,[1] while a tip-jet arrangement powered the rotor, which retracted into the upper fuselage when stopped, the XV-2 then flying like a conventional aircraft on delta wings.[2] A single jet engine was provided for forward flight.[3]

The XV-2 prototype was assigned the serial number 53-4403, but the project was cancelled before construction could begin.[4]

References

Citations

Boyne 1984, p.178.
Sikorsky 2007, p.84.
Allen 1993, p.4-5.
Pearcy 1993, p.103.

Bibliography

Allen, Francis J. (Spring 1993). "The McDonnell XV-1". AAHS Journal. Huntington Beach, CA: American Aviation Historical Society. 38 (1).
Boyne, Walter J. (1984). Vertical Flight: The Age of the Helicopter. Washington, DC: Smithsonian Institution Press. ISBN 978-0874742794.
Pearcy, Arthur (1993). Flying the Frontiers: NASA and NACA Experimental Aircraft. Annapolis, MD: Naval Institute Press. ISBN 978-1557502582.
Sikorsky, Sergei I. (2007). The Sikorsky Legacy. Images of Aviation. Charleston, SC: Arcadia Publishing. ISBN 978-0738549958.

External links

Helis.com: Sikorsky History part 2

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 S-23 S-24 S-25 S-26 S-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-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 Chocataw 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 CH-124 Sea King CH-148 Cyclone HLH
Experimental aircraft	Cypher/Cypher II Firefly Raider Raider X SB-1 X2 XBLR-3 XV-2

v t e United States STOL and VTOL aircraft designations
Original sequence (1954-1962)	V-1 V-2 V-3
Tri-service sequence (1962-present)	V-1 V-2 V-3 V-4 V-5 V-6 V-7 V-8² XV-8 AV-8 B V-9 V-10 V-11 V-12² OV-12 FV-12 V-13¹ V-14¹ V-15 V-16³ V-17¹ V-18 V-19¹ V-20 V-21¹ V-22 V-23 V-24
¹ Not assigned • ² Assigned to multiple types • ³ Unofficial

На других языках

[de] Sikorsky S-57

Die Sikorsky S-57 (Militärische Bezeichnung XV-2) war in den 1950er Jahren ein Projekt des US-amerikanischen Herstellers Sikorsky Aircraft zum Bau eines experimentellen Wandelflugzeugs. Zum Bau eines Prototyps kam es jedoch nicht. Die S-57 verwendete das selten eingesetzte Stopp-Rotor-Konzept, um vom Helikopterflugzustand in den Starrflügelmodus zu gelangen.

- [en] Sikorsky XV-2

[fr] Sikorsky XV-2

Le Sikorsky XV-2 (désignation constructeur : Sikorsky modèle S-57) était un avion expérimental convertible à rotor débrayable, conçu aux États-Unis dans le cadre d’un programme de recherche conjoint entre l’US Air Force et l’US Army. Le programme a été annulé avant le début de la construction du prototype.

[it] Sikorsky S-57

Il Sikorsky XV-2, noto anche con il nome di costruzione S-57, era un progetto impostato dall'azienda statunitense Sikorsky Aircraft Corporation per un aeromobile sperimentale con rotore arrestabile in volo e retrattile. Il progetto, definito un convertiplano, venne sviluppato per una ricerca congiunta tra United States Air Force e United States Army per esplorare le tecnologie necessarie alla realizzazione di un aeromobile in grado di decollare e atterrare come un elicottero, ma in grado di volare a velocità più alte, simili a quelle degli aerei convenzionali.[1]

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