Lair of the DragonDude

This was my entry in our school's Science Fair in April 2007.
My topic was Medeival Seige Engines, and my dad and I made a working catapult from scratch, with no kit involved. We also did all of the computer graphics and information on the backboard after doing a lot of research.
My catapult didn't throw rocks, though. I used small wrapped candies that the other kids could catch, but we had the most fun launching toy cows, pigs, ducks and chickens, just like in the Monty Python movies.

We enjoyed doing this project together, and I got a ribbon to show for it as well.

 

Medieval Siege Engines

2007 Science Fair Project
 
By
 
DragonDude
 

The Medieval Era, also know as the Middle Ages, ran from about 500 AD to 1500 AD. European countries were often at war, under attack by the Vikings, Mongol and Islamic invasions and other rival European nations. The kings could not fend off such forces with their armies alone, so they and their nobles built castles and walled cities all over the country to protect their kingdoms in an eventual attack. These fortifications offered protection to the nobles, their armies and to the peasants for weeks and even months in the event of a siege. Siege warfare was more common in the middles ages than straight out battles. Major invasions were concentrated on castles rather than land. In most of the battles, siege engines were used to conquer walled cities and…