Douglas X-3

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Douglas X-3 Stiletto
Douglas X3 Stiletto.png
Type Experimental aircraft
Configuration Delta-wing aircraft
Propulsion Twinjet (Jet aircraft, Twin-engine aircraft)
Manufacturer Douglas
  • Emmanuel Baranger (3D)
  • AJ (FDM)
--aircraft= stiletto
Status Beta
 FDM Stars-3.png
 Systems Stars-1.png
 Cockpit Stars-3.png
 Model Stars-4.png
 Hangar Helijah hangar
 Website The website for the Douglas X-3 Stiletto developments.
 Repository The development repository of the Douglas X-3 Stiletto.
Download Download the Douglas X-3 Stiletto aircraft package for the current stable release (2020.3).
License GPLv2+

The Douglas X-3 Stiletto was a 1950s United States experimental jet aircraft with a slender fuselage and a long tapered nose, manufactured by the Douglas Aircraft Company. It was designed to investigate supersonic flight. The aircraft was built of titanium, but was underpowered, and was unable to exceed Mach 1 in level flight. Data recorded by the testing of this plane assisted Lockheed Engineers in building the Lockheed F-104 Starfighter which used a similar wing to achieve Mach 2. The highest it could achieve was Mach 1.208 in a 30° dive.


General characteristics

  • Crew: one
  • Length: 66 ft 9 in (20.3 m)
  • Wingspan: 22 ft 8 in (6.9 m)
  • Height: 12 ft 6 in (3.8 m)
  • Wing area: 166.5 ft² (15.47 m²)
  • Empty weight: 16,120 lb (7,310 kg)
  • Max. takeoff weight: 23,840 lb (10,810 kg)
  • Powerplant: 2 × Westinghouse J34 afterburning turbojet, 3,370 lbf, 4,850 lbf with afterburning (15.0 kN, 21.6 kN with afterburning) each


  • Maximum speed: 700 mph (1,125 km/h)
  • Range: 497 mi (800 km)
  • Service ceiling: 38,000 ft (11,600 m)
  • Thrust/weight: 0.40

External Links