Universal Catapult for Seej

In the late 1700s Eli Whitney, the designer of the cotton gin, developed muskets with interchangeable parts to help the United States military. The manufacture of objects with interchangeable parts was soon a key factor in the industrial revolution. Mr. Whitney is perhaps a little anachronistic when brought alongside castle and siege warfare, but we can use the principles he championed to build a better piece of siege machinery.

In this spirit, and on July 4th, America's Independence Day, I