Pathfinders

Leonardo da Vinci developed concepts for a human powered flying machine late in the 15th century. Based on his drawings from the Codex Atlanticus, ...

This Hydraulically operated and geared catapult is relatively easy to make, will amaze your friends, and launch all sorts of things all in the name...

Leonardo da Vinci developed a range of innovative war machines that improved upon traditional medieval designs.This catapult is adjustable and incl...

Leonardo da Vinci developed concepts for a giant air screw late in the 15th century. While today's scientists believe the design wouldn't fly, this...

Robotic articulated arms can be found in factories all over the world. This model uses a battery of independent hydraulic circuits to provide absol...

Leonardo had a different design for many siege engines, including this trebuchet supported by a single post. Complete with a nice ratchet plate to ...