This was a siege weapon that was being used during the middle ages. The role of the machine was to crush the masonry walls or it could be used to fire the projectiles over the enemies. The working of the machine was the same as the working of a catapult. Trabuco was sometimes referred to as balancing Trabuco so that it could be distinguished from other weapons. It has become a way of referring to short guns and revolvers in Brazil.
There was an appearance of an overweight blunderbuss in the Muslim and Christian countries that were near Mediterranean. Trabuco was having capabilities of throwing over 140 kilos of the projectiles using a high speed to the enemy fortifications. The machine threw projectiles up to 800 m from where it was and it had another advantage of being accurate.
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There were reports saying that bodies that were infected with diseases were being launched with the attempt of infecting the people who they were attacking. Trabuco was referred as a biological warfare that was being adopted in middle ages.
In about 400BC, it is the time when Trabucos were being invented in China according to dicio.com.br. They were then brought later to Europe where they later came to be abandoned when there was an outbreak of gunpowder.
The mechanism consisted in the transformation of potential energy to form kinetic energy. The mechanism is derived from the sling. When potential energy is being transformed into kinetic, it’s not all that if formed, some parts dissipates which end up forming the friction. The size of counterweight should be directly proportional to the projectile velocity according to pt.wiktionary.org. This is because, for a larger overweight, it will lead to a stronger projectile. The operation links to the physical calculations of potential gravitational, kinetic energy and the potential difference will be directly linked to the weapons operation.
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