What are some disadvantages of a siege tower?
Siege towers can and often do catch fire, making them useless. Even worse, they can sometimes catch fire after they have docked with a wall, meaning the troops inside are goners. Ballista and Cannon Towers (settlement upgrades) can also deal direct damage to siege towers, in addition to incendiary damage.
What was a scaling tower used for?
Siege towers were used to get troops over an enemy curtain wall. When a siege tower was near a wall, it would drop a gangplank between it and the wall. Troops could then rush onto the walls and into the castle or city.
How long could sieges last?
The Longest Siege The siege began on 25 June and lasted 172 days – that’s almost 6 months.
How was mining used to attack a castle?
Siege mining was actually used as a method to destroy the castle walls, rather than as a way to get into the castle via a tunnel. The miners would dig their tunnel, using wooden beams to support the roof. There were many different types of siege engine (machines for attacking castle walls).
How heavy is a siege tower?
On the top two floors attackers could fire arrows at the wall’s defenders. The machine weighed an estimated 160 tons. In addition to its built-in belt drive, it required hundreds of men straining with all their might to push it into position.
What are the pros and cons of a catapult?
Pros and Cons PROS – Easy to assemble, Easy to move in battles CONS – Low range, Less accurate Similarities and Differences Similarities – Similar to the ballista, a projectile was fired using the tension from a rope Differences – Had a wooden bar to stop the arm of the catapult 4.1 Wrist Rocket Slingshot.
How does scale affect the cooling tower system?
Scale also promotes corrosion, restricts water flow and increases water consumption. Scale deposits form when the solubility of dissolved minerals in the cooling water is exceeded. Cooling towers function by evaporating a percentage of the water into the atmosphere.
What are the common problems with cooling towers?
It is important to know the common cooling tower problems & solutions to help keep your budget under control. Buildings that feature cooling towers must keep track of and control the four major types of water treatment issues. These are biological contamination, corrosion, fouling and scaling.
How to prevent scale deposition in a cooling tower?
In summary, prevention of scale deposition is accomplished by controlling the water chemistry below the saturation point of calcium carbonate. This includes the use of pH adjustment, phosphonate sequestrants, and polymer dispersants. You are commenting using your WordPress.com account.
What are the pros and cons of a tower server?
Tower servers take up a lot of space and require individual monitors, keyboards, and mice or a keyboard, video, mouse (KVM) switch that allows them to be managed with a single set of equipment. In addition, cabling can be no fun, especially if you have a lot of network adapters and other I/O needs.