United States Air Force Museum, Wright-Patterson Ohio
Northrop
X-4
SN: 46-677
Exhibit photos
Description
  Manufacturer:
Northrop
  Base model:
X-4
  Designation:
X-4
  Designation System:
U.S. Air Force
  Designation Period:
1948-Present
  Basic role:
Research
  First Flew:
1948/12/16
  See Also:
  Serial/Bureau Number:
46-677
  Location:
United States Air Force Museum, Wright-Patterson Ohio
Specifications
  Length:
23' 3"
7.0 m
  Height:
14' 10"
4.5 m
  Wingspan:
26' 10"
8.1 m
  Gross Weight:
7,549 lb
3,424 kg
  Max Weight:
7,550 lb
3,424 kg
Propulsion
  No. of Engines:
2
  Powerplant:
Westinghouse XJ30-WE
  Thrust (each):
1,600 lb
725 kg
Performance
  Cruise Speed:
480 mph
772 km/h
417 kt
  Max Speed:
640 mph
1,030 km/h
556 kt
  Ceiling:
44,000 ft
13,411 m