Rocket Assisted Projectile
Overview
 
A Rocket Assisted Projectile is an artillery
Artillery
Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

 or cannon
Cannon
A cannon is any piece of artillery that uses gunpowder or other usually explosive-based propellents to launch a projectile. Cannon vary in caliber, range, mobility, rate of fire, angle of fire, and firepower; different forms of cannon combine and balance these attributes in varying degrees,...

 round incorporating a rocket
Rocket
A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use. Rocket engines work by action and reaction...

 motor for independent propulsion. This grants the projectile both greater speed and range than an ordinary shell, which is propelled only by the ballistic
Ballistics
Ballistics is the science of mechanics that deals with the flight, behavior, and effects of projectiles, especially bullets, gravity bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.A ballistic body is a body which is...

 force of the gun's exploding charge. Some forms of Rocket Assisted Projectiles can be outfitted with a laser-guide for greater accuracy.

When NATO standards required member armies to have corps-level artillery that could fire to a maximum range of 30,000 m (18.6 miles), nearly all member nations solved the problem with RAP rounds in their 155 mm (6.1 inch) artillery.
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Encyclopedia
A Rocket Assisted Projectile is an artillery
Artillery
Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

 or cannon
Cannon
A cannon is any piece of artillery that uses gunpowder or other usually explosive-based propellents to launch a projectile. Cannon vary in caliber, range, mobility, rate of fire, angle of fire, and firepower; different forms of cannon combine and balance these attributes in varying degrees,...

 round incorporating a rocket
Rocket
A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use. Rocket engines work by action and reaction...

 motor for independent propulsion. This grants the projectile both greater speed and range than an ordinary shell, which is propelled only by the ballistic
Ballistics
Ballistics is the science of mechanics that deals with the flight, behavior, and effects of projectiles, especially bullets, gravity bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.A ballistic body is a body which is...

 force of the gun's exploding charge. Some forms of Rocket Assisted Projectiles can be outfitted with a laser-guide for greater accuracy.

When NATO standards required member armies to have corps-level artillery that could fire to a maximum range of 30,000 m (18.6 miles), nearly all member nations solved the problem with RAP rounds in their 155 mm (6.1 inch) artillery. The Belgian Army
Belgian Army
The Land Component is organised using the concept of capacities, whereby units are gathered together according to their function and material. Within this framework, there are five capacities: the command capacity, the combat capacity, the support capacity, the services capacity and the training...

 was the only NATO member army that did not require RAP, reaching the required range with a conventional round.

See also

  • Base bleed
    Base bleed
    Base bleed is a system used on some artillery shells to increase their range, typically by about 30%.Most of the drag on an artillery shell comes from the nose of the shell, as it pushes the air out of its way at supersonic speeds. Shaping the shell properly can reduce this greatly. However,...

     rounds, a similar concept for extending artillery range.
  • Long Range Land Attack Projectile
    Long Range Land Attack Projectile
    The Long Range Land Attack Projectile is a developmental program to produce a precision guided 155 mm naval artillery shell for the U.S. Navy...

    , a 155mm round for the Advanced Gun System
    Advanced Gun System
    The Advanced Gun System is a naval gun system under development by BAE Systems Armaments Systems for the Zumwalt class destroyer of the United States Navy. Production has started; the first magazine was delivered to the U.S...

     that uses a rocket motor to increase range.
  • Extended Range Guided Munition
    Extended Range Guided Munition
    The Extended Range Guided Munition was a precision guided rocket-assisted 5-inch artillery shell development by Raytheon for the U.S. Navy. The program was cancelled in March 2008 after twelve years of development and over 600 million dollars in funding. The developmental round was designated EX...

    , a 127mm round that was to be used in existing 5" guns.

External links

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