TM55-2840-251-23
Section II EQUIPMENT DESCRIPTION AND DATA (Continued)
1-10 EQUIPMENT DATA
DIMENSIONS
Weight .............................................................................................................................................. 275 Pounds*
Length ................................................................................................................................................... 62 inches
Diameter................................................................................................................................................. 19 inches
* Engines with Serial No. ending with A, 294 pounds approx.
MECHANICAL DEFINITIONS
Compression ratio ............................................................................................................................................ 6.3
Reduction ratio ........................................................................................................................................... 0.0668
Propeller ......................................................................................................................................................... CW
LUBRICATION
Oil................................................................................................................................MIL-L-23699 or MIL-L-7808
Oil tank capacity .................................................................................................... 2.3 gallons, 1.5 gallons usable
Consumption ............................................................................................................................................ 0.2 lb/hr
Oil pressure ............................................................................................................................................40-84 psi
Operating temperature ..........................................................................................................................190-210
F
FUEL
JP4 or JP5 .......................................................................................................................................... MIL-T-5624
Specific fuel consumption .............................................................................................. 0.649 lb/shp/hr (nominal)
PERFORMANCE
Shaft horsepower, shp .................................................................................................................................... 550
Compressor turbine speed, Ng...................................................................................................... 38100 (101.5%)
Power turbine speed, Nf .................................................................................................................. 33000 (100%)
Propeller shaft speed, Np ....................................................................................................................... 2200 rpm
END OF SECTION
1-10
