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| Specification | Viper 680 (typical) |
|---|---|
| Application | Jet Trainers (17 types!) |
| Thrust | 4360 lb |
| Weight | 836 lb |
| Pressure Ratio | 6.75 : 1 |
| Compressor Stages | 8 (axial) |
| Combustion | Annular vaporizing |
| Turbine Stages | 2 |