If you take a look at the original bow, I think we'd agree they probably could have managed: https://images.findagrave.com/photos/2017/28/63937289_1485711836.jp

If you take a look at the original bow, I think we'd agree they probably could have managed: https://images.findagrave.com/photos/2017/28/63937289_1485711836.jpg https://images.findagrave.com/photos/2017/28/63937289_148571... There are a lot of things ancient people could have made but didn't. People have made gliders with only primitive materials, but no one was gliding around the ancient world (except, very very quickly to the ground). It was not purely a lack of materials.