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(Top) 1 Design and development 2 Specifications 2.1 Size 2.2 Mass 2.3 Performance 3 References

Sikorsky XBLR-3

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XBLR-3

Wooden mock-up at 1/25th scale
Role	Heavy bomber Type of aircraft
National origin	United States
Manufacturer	Sikorsky Aircraft
Status	Canceled, not built

The Sikorsky XBLR-3 was an experimental bomber design developed by Sikorsky Aircraft to compete in the United States Army Air Corps "Project D" design competition of 1935.^[1]^[2] In March 1936 the USAAC canceled the Sikorsky XBLR-3 in favor of the remaining two competitors: the Boeing XBLR-1 (Later XB-15) and the Douglas XBLR-2 (Later XB-19). The XBLR-3 was one of the last fixed wing aircraft designed by the Sikorsky company.

Design and development[edit]

The Sikorsky XBLR-3 was powered four 1600 hp 24 cylinder Allison V-3420 engine driving one 4.57m diameter metal adjustable propeller each. The Allison V-3420 engine was specified for all three entries in the 1935 "Project D" competition.^[1]^[2]

Details of the Sikorsky XBLR-3's armament are not known, however a rotating dorsally-mounted Ball turret was included in the preliminary wooden model, and bombs of unknown parameters can be assumed to be included in the design perimeters.^[1]

Specifications[edit]

This aircraft article is missing some (or all) of its specifications. If you have a source, you can help Wikipedia by adding them.

Size[edit]

Span: 62.45m (204.9 ft)^[1]

Length: 36.58m (120 ft)^[1]

Height: 10.67m (35 ft)^[1]

Mass[edit]

Takeoff Weight: 54,422Kg (120,000 lb.)^[1]

Performance[edit]

Top Speed: 355 km/h (221 mph / 192 knots)^[1]

Cruising Speed: 205km/h (127 mph / 111 knots)^[1]

Maximum Range: 12,312km (7,652 mi. / 6,648 nm)^[1]

Flight Endurance: 62 hours^[1]

References[edit]

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k "Sikorsky XBLR-3". 2011-09-27. Archived from the original on 2011-09-27. Retrieved 2023-05-21.

^ ^a ^b Jones, Lloyd S. (1974). U.S. Bombers B-1 1928 to B-1 1980's (2nd ed.). Fallbrook, Ca: Aero Publishers. pp. 59–61. ISBN 9780816891269.

Jones, L. S. (1962). U.S. Bombers B1 - B70. Los Angeles: Aero Publishers.
"Sikorsky XBLR-3". Czterosilnikowy ciężki samolot bombowy dalekiego zasięgu. Projekt. Archived from the original on 2009-03-28. Retrieved 13 November 2022.

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