Allison J33
| J33 | |
|---|---|
| Allison J33 turbojet engine on display at Flugausstellung Hermeskeil | |
| Type | Turbojet | 
| Manufacturer | General Electric Allison Engine Company | 
| First run | 1942 | 
| Major applications | Lockheed P-80 Shooting Star Lockheed T-33 Shooting Star Lockheed F-94A/B Starfire SSM-N-8 Regulus | 
| Developed from | General Electric J31 | 
The General Electric/Allison J33 is an American centrifugal-flow jet engine, a development of the General Electric J31, enlarged to produce significantly greater thrust, starting at 4,000 lbf (18 kN) and ending at 4,600 lbf (20 kN) with an additional low-altitude boost to 5,400 lbf (24 kN) with water-alcohol injection.