TP25 in Hercules C-130

Rotating Turbine Wheel! ... and the rest of the Logo ...

TP25

The Hercules C-130 has oneof Fairchild Controls' units. The unit is called a TP25 Air Turbine Drive. It takes bleed air from the engine and uses it to drive an auxiliary hydraulic pump or electrical generator, depending upon the configuration.

	TP25-2A	TP25 2B	TP25 2C
Application	C-130A	C-130B thru C-130H	C 130B thru C130H
Function	DC Generator & Hydraulic Pump Drive	Alternator Drive	Alternator Drive
Rating (HP)	30 HP	30 HP	30 HP
Turbine Speed	really fast!	really fast!	really fast!
Output Shaft Speed	fast too!	fast too!	fast too!
Inlet Temperature	hot!	hot!	hot!
Inlet Pressure	yes	yes	yes
Cooling Air	yes	yes	yes
Weight	yes	yes	yes
Turbine Wheel	Spinning	Spinning	Spinning
No. Of Units Produced	300	1000	1500
Control System	Pneumatic Independent Overspeed Control (With Manual Resetting Overspeed Trip)	PIOC	PIOC

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