Sunday, June 17, 2012

Firepower - Ground Warfare


Basically, the artillery is like the gigantic " Shock Absorber "  to counteract the recoil. 



On the road, the automobile installed the shock absorber to decrease the vibration creating the more comfortable ride.

** Did the " AC-130 Gunship "  install the shock absorb to counteract the recoil ??

In war, the ability to strike the distance is essential. But, this technologies has been for
thousand years.



M777













Before the artillery, the bow and arrow has the limit of how much the human body can pull
the string. And then, the human want to increase the range of the weapon.

BC 421. Southern Italy.
Ancient Greek Artillery Technology from Catapults to the Architronio Canon

Gastraphetes

Ratchet Wrench.
Someday, I should have written an article about " Machine Tool  ".

Ratchet Wrench Cutaway.
From the above figure, we can see how it works. It can be changed the direction of the lock.



But if you want to shoot something is heavier than an arrow required more power.
So, how did engineers tackle the problem ??

Tree



The action of twisting the tree absorbs up the energy. Torsion Power. Artillery helps the Roman success to siege. It also plays the vital role how they build the empire. Victory no longer depends on the hand to hand combat.

Counterweight - Trebuchet



Wood Cannon

Casting Gun Barrel













Breech-loading weapon. Wikipedia. 
First, the breach is on the top and the muzzle is on the bottom. As pouring the melting steel into
the mold, the impurity tends to gather on the top. So the weak of the gun is at the breach, and
then someone realized to turn the gun over. Muzzle is on the top, breach is at the bottom.

The stone cannon ball is replaced by the iron.



45 degrees

45 degrees, the cannon ball reached its maximum distance.

Artillery. America Civil War.

The barrel is like the rifle.

Projectile.





Canon de 75 modèle 1897.
It is the grandfather of the modern artillery.

Wikipedia :
It was the first " field-gun "  includes a " Hydro-Pneumatic Recoil " mechanism.



When the gun fired, oil inside the cylinder is forced to one way.

Nitrogen gas inside another cylinder flows in the opposite direction.

Push the steel rod to bring the gun barrel  back to its stating position.

Ohlins Shock Absorber

Artillery : Fire Cannon Ball = Motorcycle : Bumpy Road

Cutaway





Paris Gun

To shoot the projectile in such the great distance, German scientists had to consider the effect of
the rotation of the earth and the curvature of its surface.

That means the highest point of the shell trajectory would reach the stratosphere. At such high
altitude, air resistance would be reduced which would allow the shell to travel further.

Rail-Gun
German " Paris Gun "  was the monster.Though, it initially success of terror weapon, it ultimately
caused a few of 900 casualties. In strategic term, the Paris gun is failed, in technical term, it is
brilliantly success.



V-2
However, knowledge gained from the " Paris Gun "  performance was invaluable, it leaded to the " V-2 " From the maximum range to achieve the pinpoint accuracy.

Schwerer Gustav

Dora    

Karl-Gerät   





Japanese aircraft strikes the US Navy. US scientists would soon counter this threat with the
clever artillery invention.

" Radio Proximity Fuse "






























Computer Control Firing System



Self-Propelled Gun



Little David

 How do you think to install the artillery on the ship ??

Missouri Battleship

[Highlight]
The brief history of the artillery

[Questions]

Artillery : Cannon Ball = Engine : Pistons
Note that : This means the process of " Spark-Plug ignites the compressed gas ",  for the
reciprocating engine. The process of " Intake, Compressed, Exhaust "   which didn't include.
Artillery : Firing Cannon Ball = Suspension : Hitting the Bumpy Road

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