Navigation/Inertial The Collection

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The measurement of the aircraft’s attitude with respect to the horizontal plane in respect of the pitch and bank angles and its heading, that is the direction in which it is pointing in the horizontal plane with respect to North is essential for both control and guidance.

For civil aircraft the density of traffic requires the aircraft to fly in a specific corridor as defined by Air Traffic Control. For military operations very accurate navigation systems are essential to enable the aircraft to fly low and take advantage of terrain screening. Both civil and military aircraft follow this defined three dimensional path but also both require to know the precise time for their objective.

The Collection holds a number of Inertial Platforms mainly for aircraft but some for Torpedo use. The INS derives the aircraft’s velocity components by integrating the horizontal components of the aircraft’s acceleration with respect to time. These components are computed from the outputs of very high accuracy gyroscopes and accelerometers which measure the aircraft’s angular and linear motion.
Inertial Navigation Platform

Inertial Navigation Platform
Platform Electronics Unit (PEU)

Platform Electronics Unit (PEU)
Navigation Control Unit (NCU)

Navigation Control Unit (NCU)
E3 Inertial Platform demonstrator

E3 Inertial Platform demonstrator
Inertial Platform

Inertial Platform
E3P Stable Platform

E3P Stable Platform
Inertial Platform

Inertial Platform
Sting Ray Control Sensor Unit

Sting Ray Control Sensor Unit
Sting Ray Control Sensor Unit

Sting Ray Control Sensor Unit
Radio-Magnetic Compass Indicator

Radio-Magnetic Compass Indicator
Remote (Compass Bearing) Display Unit

Remote (Compass Bearing) Display Unit
Projected Map Display [PMD]

Projected Map Display [PMD]
Navigation Control Unit

Navigation Control Unit
Inertial Platform (space model)

Inertial Platform (space model)
Rotation Servo Amp Circuit Module

Rotation Servo Amp Circuit Module
'X' and 'Y' Precession Amp Circuit Module

'X' and 'Y' Precession Amp Circuit Module
Monitor 2 Circuit Module

Monitor 2 Circuit Module
Compass Indicator Head

Compass Indicator Head
Inertial Navigation Platform

Inertial Navigation Platform
Combined Radar and Projected Map Display (CRPMD)

Combined Radar and Projected Map Display (CRPMD)
Automatic Map Reader (AMR)

Automatic Map Reader (AMR)
Automatic Map Reader (AMR)

Automatic Map Reader (AMR)
Automatic Map Reader (AMR) Demonstration Unit

Automatic Map Reader (AMR) Demonstration Unit
Torpedo Attitude Sensor Unit

Torpedo Attitude Sensor Unit
Horizontal Situation Indicator

Horizontal Situation Indicator
Part of early Inertial Platform

Part of early Inertial Platform
Polar Path® Compass Coupler

Polar Path® Compass Coupler
Tornado Terrain-Referenced Navigation (TRN) Unit

Tornado Terrain-Referenced Navigation (TRN) Unit
Polar Path® Compass Coupler

Polar Path® Compass Coupler
Film Strip for Jaguar Map Mounted

Film Strip for Jaguar Map Mounted
NCS1 Inverter Unit

NCS1 Inverter Unit
Control and Display Unit

Control and Display Unit
PMD Film Transport Assembly

PMD Film Transport Assembly
Map Display Hand Controller

Map Display Hand Controller
HSI Mode Selector Switch

HSI Mode Selector Switch
PMD Film Traction and Lamp Modules

PMD Film Traction and Lamp Modules
Inertial Platform's cover with viewing port

Inertial Platform's cover with viewing port
E3 Inertial Platform (training model)

E3 Inertial Platform (training model)
NCS1 Battery Charger Unit

NCS1 Battery Charger Unit
NCS1 Rectifier Unit

NCS1 Rectifier Unit
Radio-Magnetic Compass Indicator

Radio-Magnetic Compass Indicator
NCS1 Interface Unit [IFU]

NCS1 Interface Unit [IFU]
Digital Map Unit

Digital Map Unit
HSI Mode Switch

HSI Mode Switch
HSI Mode Switch

HSI Mode Switch
Video Map Generator

Video Map Generator
Control and Display Unit

Control and Display Unit
Radio-Magnetic Compass Indicator

Radio-Magnetic Compass Indicator
Hand Controller for Map Display

Hand Controller for Map Display
Flight Path Deviation Indicator

Flight Path Deviation Indicator
Digital Map Unit

Digital Map Unit
Polar Path® Compass Coupler

Polar Path® Compass Coupler
Beam Approach Indicator

Beam Approach Indicator
Airbus Autopilot Relay Module

Airbus Autopilot Relay Module
Distance Reading (DR) Compass, Mk 1

Distance Reading (DR) Compass, Mk 1
Map Symbol Generator

Map Symbol Generator

Remote Self Test Accelerometer

Remote Self Test Accelerometer
Rate Gyro Type C

Rate Gyro Type C
Interconnecting Box (Trainer, Front)

Interconnecting Box (Trainer, Front)
Films for Tornado Projected Map Display

Films for Tornado Projected Map Display
NCS1 Battery Charger Unit

NCS1 Battery Charger Unit
NCS1 EP Sequence Circuit Board

NCS1 EP Sequence Circuit Board
NCS1 Power Supply Module

NCS1 Power Supply Module
NCS1 Interface Unit

NCS1 Interface Unit
NCS1 Digital Computer Unit [DCU]

NCS1 Digital Computer Unit [DCU]
NCS1 Transformer and Filter Assy

NCS1 Transformer and Filter Assy
NCS1 Program Store 1 Circuit Board

NCS1 Program Store 1 Circuit Board
NCS1 Program Store 2 Circuit Board

NCS1 Program Store 2 Circuit Board
NCS1 Gyro Constants Circuit Board

NCS1 Gyro Constants Circuit Board
NCS1 Arithmetic Unit Circuit Board

NCS1 Arithmetic Unit Circuit Board
NCS1 Data Store Circuit Board

NCS1 Data Store Circuit Board
NCS1 Control Register Circuit Board

NCS1 Control Register Circuit Board
NCS1 Waveform Generator Circuit Board

NCS1 Waveform Generator Circuit Board
NCS1 Store Timing Circuit Board

NCS1 Store Timing Circuit Board
NCS1 Program Store Circuit Board

NCS1 Program Store Circuit Board
NCS1 Transformer and Inverter Assembly

NCS1 Transformer and Inverter Assembly
NCS1 Control and Indicator Panel

NCS1 Control and Indicator Panel
Accelerometer Bracket

Accelerometer Bracket
Power Supply for Gyro Tests

Power Supply for Gyro Tests
NCS1 Inverter Unit

NCS1 Inverter Unit
NCS1 Electronics Pack

NCS1 Electronics Pack
NCS1 Space Reference Unit

NCS1 Space Reference Unit
NCS1 Transformer Unit

NCS1 Transformer Unit
NCS1 Heater Unit

NCS1 Heater Unit
NCS1 Temperature Sensing Module

NCS1 Temperature Sensing Module
NCS1 Vertical Gyro Cover

NCS1 Vertical Gyro Cover
NCS1 Azimuth Gyro Cover

NCS1 Azimuth Gyro Cover
NCS1 Battery Charger Unit

NCS1 Battery Charger Unit
NCS1 Rectifier Unit

NCS1 Rectifier Unit
NCS1 Switch Assembly

NCS1 Switch Assembly
3 Phase Relay

3 Phase Relay
Displacement Gyro

Displacement Gyro
Automaton of Ship demonstrating NCS1 system

Automaton of Ship demonstrating NCS1 system
Servo Amplifier

Servo Amplifier

Media Archive 

Media Archive

This Media Archive offers newspapers, films and videos.

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Document Archive 

Document Archive

This Archive contains documents in general associated with the history, products & activities of the Rochester site. It also holds items of general interest about the technologies used within the Company & the platforms the products were used on.

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Picture Archive 

Picture Archive

This archive contains the collection of Framed Pictures Negatives and 35mm Slides. There are too many Negatives and Slides to list at this stage.

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