Catapult Inspired By Leonardo da Vinci

thingiverse

I have widened the "bucket" to accommodate bigger "projectiles" and added a thumb wheel for effortless range adjustment. However, the more significant redesign is the fulcrum. I divided it into two parts to make printing easier. Now, the hole for the axle extends all the way through, so a longer threaded rod is required. https://youtu.be/aHacG3KJ2HM EDIT 4/30/2019 As mentioned below, I was able to quickly wear out/break the spring. Consequently, I added an upgraded version. This might not be in line with Leonardo's engineering approach since he supposedly didn't have access to rubber bands. I use my catapult as a desk toy and am therefore not too concerned with historical accuracy. P.S. I will need to redesign the spring and strengthen it. It suffered material fatigue due to over-tightening the rubber bands to increase range and power. Stay tuned! P.P.S: The original design can be found at https://www.thingiverse.com/thing:3436588