Basic Bricks Flashcards
What are the three types of auxiliary power?
Electric
Pneumatic
Hydraulic
What are the three types of fuzes used in GM?
Impact
Variable Time
Prox
What are the three classes of warheads in GM?
HE
Special
Non-operational
Name the seven basic bricks.
Structure Propulsion Guidance Control Auxiliary power Payload Fuzing
What are the two types of Air-independant propellants?
Liquid Fuel
Solid Fuel
Name four types of Directing Devices (WRT guidance systems)
Wire
Radio
Radar
Laser Beam
What does SACLOS stand for?
Semi Automatic Command to Line of Sight
Define missile guidance.
The ability to alter the direction of the flight of a missile after launch and able to do so until it is close to the point of impact
What are the three types of homing guidance?
Active
Semi active
Passive
What are the three components of a guidance system?
Tracking device
Computing device
Directing device
List three advantages to solid propellants.
Ease of handling and storage
Simple design
Immediate response on firing
Storage container for propellant
What main advantage does a Turbojet have over a Ramjet engine?
No boost is required to get the engine to operating speeds
What are the two types of gyroscopes?
Free
Rate
What are two types of sensor used in control systems?
Gyroscopes
Accelerometers
What elements make up the servo mechanism?
Transducer
Control valve
Actuator
What are the categories of Guided Weapons (reference a table in GW design powerpoints)
- Strategic / Tactical
- Anti-Shipping
- Anti Armour
- Air to Air
- Air to Surface
- Surface to Air
What are the forces acting on GW?
- Thrust Loads
- Acceleration Loads
- Aerodynamic Lift
- Drag/Dynamic Pressure
- Aerodynamic Heating
- Transportation Loads
- Vibration & Resonance
Reasons ammunition may fail?
Incorrect initial aim
change in flight path due to wind/ weather
The unpredictable movement of the target
2 Common Terrestrial References?
Terrain Contour Matching
Magnetic
What are the 3x classes of guidance?
Pre-determined
Control-Path
Homing
4 essential elements of Command systems?
Target tracker
Missile tracker
Computer
Command link
What are the parts of a Beam Riding System?
Target tracker
Beam Producer
Computer
Define Isotropic propagatiion?
Effects that are uniform in all directions eg- blast warhead
2 types of blast HE warheads?
internal
eternal
3 types of special warhead?
Chemical
Biological
Nuclear
What do control loops require?
something controllable
error detection
error conversion
controlling device
What is the min number of free gyroscopes required to measure 3x angular rotations?
Two free gyros required because each free gyro can only measure two angles.
What are 2 types of control valves?
Spool, needle
What are the five types of Jet Engines
Pulse Jet Ram Jet Turbo Jet Turbo Fan Ram Rocket
What are the Advantages to Guided Weapons
Increased Hit Probability
Range
Ceiling
Weight of Fire
What are the Disadvantages to Guided Weapons
Cost
Reliability
Response Time
Minimum Range
Flight Time
Support Requirements
What are the Disadvantages to Guided Weapons
Cost
Reliability
Response Time
Minimum Range
Flight Time
Support Requirements
What is the definition of a guided weapon
A guided weapon is a weapon system in which the warhead is delivered by an unmanned guided vehicle
Define Propagation
The manner in which the effect of a Warhead is transmitted
Define Attenuation
Reduction in effect of a warhead as the distance from the point of detonation increases
Define Non-Isotropic Propagation
Directional Effect (e.g. HEAT Warhead)
What factors affect Warhead Choice
Role
Target
Accuracy of the Missile
What are the three types of Fragmentation warheads
Shrapnel
Rod
Continuous Rod