Download or read book The Big Book of Catapult and Trebuchet Plans! written by Ron L. Toms and published by . This book was released on 2010-12 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is a compilation of step-by-step instructions for how to build nine different types of catapults and trebuchets. Each set of instructions includes dimensional drawings of all wooden parts, lists of required hardware and sources, an abundance of photos, diagrams, and detailed descriptions of the assembly process.