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OVERVIEW
NORTHROP YB-49
1947
 
HEAVY BOMBER - SERVICE TEST AIRCRAFT
  
     
 
 
OVERVIEW
  
 

...More to come

  
     
 
DATA
  
 
NORTHROP YB-49
 
CLASSIFICATION
CLASS :
 HEAVY BOMBER - SERVICE TEST AIRCRAFT
COUNTRY OF ORIGIN :
 UNITED STATES
MANUFACTURER :
 NORTHROP AIRCRAFT COMPANY, INC
FIRST FLIGHT :
 OCTOBER 21, 1947
SERVICE DELIVERY :
 NONE
NUMBER BUILT :
 2 (Converted from YB-35s)
   
SPECIFICATION
SPAN :
 172 ft (52.2 m)
LENGTH :
 53 ft 1 in (16.2 m)
HEIGHT :
 15 ft 2 in
WING AREA :
 4,000 sq ft (371.6 m sq)
WEIGHT EMPTY :
 89,122 lbs
WEIGHT LOADED :
 198,688 lbs
WEIGHT MAX :
 213,552 lbs
ARMAMENT :
 4 x .50-cal (12.7 mm) M2 Browning Machine Guns in Tail Stinger
 
 Housing
BOMB LOAD :
 32,000 lb (14,500 kg) of Bombs
POWER PLANT :
 4 x Allison J35-A-15 Turbojet Engines, Producing 3,750 lbs of Static
 
 Thrust Each
CREW :
 7 - Pilot, Copilot, Navigator, Bombardier, Engineer, Radio Operator and
 
 Rear Gunner
   
PERFORMANCE
MAXIMUM SPEED :
 493 mph at 20,800 ft; 464 mph at 35,000
CRUISING SPEED :
 420 mph
LANDING SPEED :
 --
CLIMB RATE :
 3,785 ft/min
RANGE :
 1,615 miles with 10,000 lbs of Bombs; 9,978 mi (16,057 km) Max;
SERVICE CEILING :
 45,700 ft (13,900 m)
 
 
 
 
REFERENCES
  
 

Pape, Garry with John Campbell & Donna Campbell. The Flying Wings of Jack Northrop. Atglen, Pennsylvania: Schiffer Publishing, Ltd. 1994. ISBN 0-88740-597-5.

Pape, Garry and John Campbell. Northrop Flying Wings: A History of Jack Northrop's Visionary Aircraft. Atglen, Pennsylvania: Schiffer Publishing, Ltd., 1995. ISBN 0-88740-689-0.

Wooldridge, E. T. Winged Wonders: The Story of the Flying Wings. Washington, D.C.: Smithsonian Institution Press, 1983. ISBN 0-87474-966-2.

Angelucci, Enzo; Bowers, Peter. The American Fighter - The Definitive Guide To American Fighter Aircraft From 1917 to the Present. New York: Orion Books. 1985. ISBN 0-517-56588-9.

Wagner, Raymond. American Combat Planes, Third Enlarged Edition New York: Doubleday & Company, Inc, 1982. ISBN 0-385-13120-8.

  
 
     
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