Model and type
502-6. Turboshaft,( free turbine), The gas generator incorporates a 1-stage centrifugal compressor,2 through-flow combustors,1-stage axial flow turbine. The power turbine incorporates an axial flow turbine wheel assembly, a planetary reduction gear.

Compressor
Air inlet in front of unit. Single stage centrifugal, Single-entry impeller mounted on main shaft supported in 2 bearings. one ball, one bushing. air mass flow 3.5 Ib/sec/36,500 rpm.

Combustor
Two through-flow type.

Turbine
(Gas generator) 1-stage axial flow turbine. Maximum temperature 1225. F (663)C.

Turbine
(power) axial flow free turbine wheel attached to main gear train pinion and reduction gear.

Exhaust
Fixed area single outlet,exhausted upward.

Power outlet
Reduction gearbox at rear of unit. Output shaft 2,750 rpm.

Fuel system
Woodward integral fuel system. pump, governor, internal relief valve, and flow control.

Ignition System
2 Bendix air-gap, ignition system. and 2 glow-type igniters.

Lubrication
Sump type, 35-70 psi Pressurized system.

Width and height
23.20 in and 23.34 in

Length
42.90 in

Weight
200.0 Ib

Power weight
0.8 shp/Ib

Fuel spec
Kerosene, or Jet-A

Fuel consumption
1.5 Ib/shp-hr

Oil spec; consumption
MIL-L-7808: 0.02phr.

Rating
160 shp at 23,725 rpm power turbine rpm.