Model and Type
GTP 70-52 Turboshaft, 2- stage centrifugal compressor, 1 combustion chamber, 1-stage turbine

Compressor
1st stage and 2nd stage single -entry impellers pressed and pinned on shaft supported in plain bearing at front and in ball bearing at rear. Radial diffuser. pressure ratio 3.3:1, and air mass flow 2.0 lb. sec, at 40,800 rpm.

Combustor
Reverse air flow. 1 duplex fuel burner.

Turbine
Radial inflow type. Turbine wheel with integral shaft supported in 2 ball bearings ahead of wheel. Exhaust temperature 1310 F (710C)

Exhaust
Fixed area single exhaust outlet.

Power take-off
Reduction gearbox at front of unit. Output shaft 6,000 rpm.

Control System
Electro-pneumatic type. Automatic starting. Acceleration, load and speed controls. Pneumatic exhaust temperature limiter.

Fuel System
AiResearch integral fuel system. Pump, 230 psi, governor, internal relief valve, and flow control with filter-all incluster.

Ignition System
Bendix-Seintilla or G.L.A. ignition. 1 igniter.

Lubrication
Dry sump system, 90 psi air cooled oil cooler, tank.

Width and height
30.0 in and 25.0 in.

Length
31.0 in.

Weight
200 lb.

Fuel specification
Gasoline, Kerosene, JP-4,8 JP-5

Fuel consumption
1.7 Ib/shp-hr

Power/Weight
0.71 shp/lb.

Oil specification
Mil -L-23699, L-7808

Oil Consumption
0.02 phr.

Rating Max cont.
160shp/40,800 rpm/sea level.