Science Fair Project Encyclopedia
Northrop X-21
The Northrop X-21 was an experimental aircraft designed to test wings with laminar flow control. It was based on the Douglas WB-66D airframe, with the wing-mounted engines moved to the rear fuselage and making space for air compressors.
Specifications (X-21A)
General Characteristics
- Crew:
- Length: 75 ft 3 in (22.94 m)
- Span: 93 ft 6 in (28.51 m)
- Height: ft in ( m)
- Wing area: ft² ( m²)
- Empty: lb ( kg)
- Loaded: 83,000 lb (37,727 kg)
- Maximum takeoff: lb ( kg)
- Powerplant: 2x General Electric J79-GE-13, 9,400 lbf (41.9 kN) thrust each
Performance
- Maximum speed: 560 mph (896 km/h)
- Range: miles ( km)
- Service ceiling: 42,500 ft (12,957 m)
- Rate of climb: ft/min ( m/min)
- Wing loading: lb/ft² ( kg/m²)
- Power/Mass: hp/lb ( kW/kg)
Related content
Related development: B-66 Destroyer
Comparable aircraft:
Designation sequence: X-18 - X-19 - X-20 - X-21 - X-22 - X-23 - X-24
Last updated: 10-14-2005 22:34:26
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details