Friday, February 13, 2009

Trebuchet


  • A trebuchet is a piece of machinery that is used as a catapult to smash buildings and throwing objects.
  • It has a counterweight on it that is used to sling the wooden arm on it with huge objects on it; hurling them into enemies or huge walls.
  • Most effective European siege weapon of twelfth century.
  • Can sling objects over 300 pounds 350 yards in the air and the object were six times as heavy as the projectiles a catapults could.
  • Counter-weight could weigh 20,000 pounds and the size of the machine could be 50 ft.
  • Sling offers the projectile to be thrown twice as far as normal.
  • Parts of trebuchet: frame, counterweight, beam, sling and the guide chute.
  • Frame: holds the machine together and has a place to drop the counterweight.
  • Counterweight: when dropped is forced down in a pivot inside the frame and with its great force, spins the arm up which throws the sling.
  • Guide chute: this is the part at the base of the frame that supports the projectile until it is thrown by the sling.italso guides the sling while it is being thrown to give it a smoothe and accurate throw.
  • sling: a long strap-like mechanism that holds the the projectle and is thrown in the air by the arm. when thrown, the sling opens up and releases the projectile.

Tuesday, February 10, 2009

Carronade


Carronade:
The carronade is an early 18th century cannon that was created by Lieutenant General Robert Melville. Great Britain was the first to use to use this lightweight piece of artillery during the American revolutionary war on the ships. The canon has a short barrel and muzzle and was constructed very lightweight with functions including: Breech bolt, Aft sight, Vent hole, Front sight, First reinforcing ring, Barrel, Muzzle, Second reinforcing ring, Horizontal rotation axis, Chock, Vertical rotation axis, Wheel, Mobile pedestal, Carriage, Pommel, and Elevation thread. The exact cost s unknown but with less amount of materials used to make it light weight and the shorter it was made it cheaper than most cannons. The cannon was intended on creating a shot that would make more deadly splinters from the wood but did not have a very fast velocity and couldn’t go very far. The gun only needed a small crew to operate and be pretty effective. This weapon was affective in short range mainly because it could smash through the wood on ships if it was close enough to keep its speed. This weapon became replaced by longer cannons because of the distance they could get.

Monday, February 2, 2009

Howitzer


Howitzer:
Many of the different types of howitzers of the 20th century came from howitzer designs from centuries before that and the idea just evolved. The howitzer was mainly used by the German army in World War I but was also used by other countries at that time. The howitzer had a long barrel and multi charge propellant. These more modern weapons could sometimes cost up to millions on dollars because of the precision put into them. the weapon could shoot at a short distance and could cause great damage to crowds and large objects that are nearby. Depending on the type of howitzer, this piece of artillery could take up to nine men to operate during war. It was very effective at short ranges and could be shot using a variety of angles.