Specifications .28R-25-300.29 Tumansky R-25

1 specifications (r-25-300)

1.1 general characteristics
1.2 components
1.3 performance

specifications (r-25-300)
general characteristics

type: afterburning turbojet
length: 4,615 mm (181.7 in)
diameter: 1,191 mm (46.9 in)
dry weight: 1,212 kg (2,670 lb)

components

compressor: two-spool axial compressor

performance

maximum thrust:

55 kilonewtons (12,000 lbf) military power
68.5 kilonewtons (15,400 lbf) afterburner
96.8 kilonewtons (21,800 lbf) 3 minutes boosted afterburner (csr mode, altitude < 4,000 metres (13,000 ft))
overall pressure ratio: 9.5:1
turbine inlet temperature: 1,040 °c (1,904 °f)
specific fuel consumption:

93 kg/(h·kn) (0.91 lb/(h·lbf)) @ idle
98 kg/(h·kn) (0.96 lb/(h·lbf)) @ maximum military power
229 kg/(h·kn) (2.25 lb/(h·lbf)) afterburner
thrust-to-weight ratio: 56.5 n/kg (5.8:1), 79.9 n/kg (8.1:1) boosted afterburner




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