class 2 governors

GovernorsGovernors

Class 2 MotorClass 2 Motor

Governors Class 2

Woodward UG8

Governors Class 2

Mechanical Governor

DRIVE FROM ENGINE

INCREASE FUEL

BALLHEAD

FLYWEIGHT

PIVOT

SPEEDER SPRING

Decrease LoadIncrease Load

Centrifugal Force Centrifugal Force

Spring Force

Governors Class 2

Hydraulic Governor

SERVO-PISTON

INCREASE FUEL

PILOT VALVE

OIL SUPPLY

DRIVE

CONICAL SPRING

DRAIN

Supply

Trapped

Drain

Governors Class 2

Hydraulic Governor – with feedback

SERVO-PISTON

INCREASE FUEL

PILOT VALVE

OIL SUPPLY

DRIVE

DRAIN

Supply

Trapped

Drain

Decrease in spring tension

Governors Class 2

Electro-Hydraulic Actuator

INCREASE FUEL

ELECTRICAL INPUT

Governors Class 2

Load Sensing Governor

SERVO-PISTON

PILOT VALVE

OIL SUPPLY

DRIVE

DRAIN

Supply

Trapped

Drain

INCREASE FUEL

DRAIN

LOAD COMPUTER

OIL SUPPLY

Governors Class 2

Electronic Governor

SIGNAL CONDITIONING

SPEED REFERENCE

SPEED SENSOR

Governors Class 2

Electronic Load Sensing Governor

LOAD SENSOR

SPEED SENSOR

COMPARATOR

MODE

SPEED SETTING

RAMP

LOAD

Governors Class 2

SHUT OFF FUEL

PULL TO RESETSPRING

TRIGGER

CENTRIFUGAL WEIGHT

Governors Class 2

Governor Linkage

Governors Class 2

Bridge Control

Control Room

Selector

Desired Pitch

Hand Control Actuator

Actual Pitch

Desired Engine Speed

Governor Fuel Pumps

Load Control

Pitch Control Mechanism

Bridge Control of Controllable Pitch Propeller

Programmer

Governors Class 2

Bridge Station

Control Room

Selector Programmer

Safety Checks

Governor

Actuator

Starting Air

Air Manifold

Fuel Rack

Camshaft

Manual

Bridge Control of Slow Speed Diesel