主题：令人惋惜的涡扇8 -- 镭射

Specifications (J52-P-408)Data from Flight [12]

General characteristicsType: Turbojet

Length: 118 in (3.0 m)

Diameter: 38 in (0.814 m)

Dry weight: 2,318 lb (1,052 kg)

ComponentsCompressor: Axial flow, 5-stage LP, 7-stage HP

Turbine: Single stage HP, single stage LP

Fuel type: JP-4

PerformanceMaximum thrust: 11,200 lbf (48.8kN)

Overall pressure ratio: 14.6 : 1

Specific fuel consumption: 0.89 lb/lbf*hr

Thrust-to-weight ratio: 4.83:1

Specifications (J57-P-43WB)General characteristicsType: Turbojet with water-methanol injection for thrust augmentation

Length: 169 in (4,300 mm)

Diameter: 35 in (900 mm)

Dry weight: 3,875 lb (1,757 kg)

ComponentsCompressor: Two-spool 16-stage axial compressor

PerformanceMaximum thrust: 11,220 lbf (49.9 kN) with water-methanol injection

Overall pressure ratio: 12.0:1

Turbine inlet temperature: 1,600 °F (870 °C)

Specific fuel consumption: 0.755 lb/(h·lbf) (77.0 kg/(h·kN)) at maximum military power

Thrust-to-weight ratio: 2.9:1 (28.4 N/kg)