Backyard Ballistics

Backyard Ballistics is a practical guide to building projectile-launching devices using common materials and basic tools. The book contains step-by-step instructions for constructing various launchers, from simple catapults to more complex pneumatic devices. Each project includes historical context about the development and use of these machines throughout time. The text explains the physics and engineering principles behind the devices, making complex scientific concepts accessible to general readers. The book serves dual purposes as both a recreational manual and an educational resource. Teachers have developed curriculum guides based on the projects, and the book has been referenced in scientific journals and academic papers. This work bridges the gap between theoretical physics and hands-on experimentation, demonstrating how scientific principles can be explored through practical construction projects. The emphasis on safety and proper technique makes advanced concepts approachable for hobbyists and students alike.

Readers appreciate the clear instructions, diagrams, and safety precautions for building various projectile launchers and small explosive devices. Many reviewers cite the book's educational value in teaching physics concepts through hands-on projects. Readers liked: - Step-by-step building instructions - Historical background on each project - Scientific explanations that make physics accessible - Projects that work with common materials Readers disliked: - Some materials are harder to find than indicated - A few projects described as "hit or miss" in reliability - Safety warnings seen as insufficient by some parents - Basic math errors noted in early editions Ratings across platforms: Amazon: 4.4/5 from 458 reviews Goodreads: 4.0/5 from 296 ratings One reader noted: "Perfect balance of science and fun - my kids learned more about trajectory from the tennis ball cannon than from textbooks." Another cautioned: "Some projects require more adult supervision than the book suggests."

Mini Weapons of Mass Destruction by John Austin Instructions for creating small projectile launchers and catapults from household items and office supplies.

Whoosh Boom Splat by William Gurstelle Projects for constructing pneumatic machines, potato cannons, and mechanical launchers using basic tools and materials.

Make: Magazine's Dangerous Projects for Boys by David Erik Nelson Step-by-step guides for building siege engines, rockets, and mechanical devices from common materials.

The Art of the Catapult by William Gurstelle Instructions and historical context for building trebuchets, ballistas, and other ancient siege weapons.

Absinthe & Flamethrowers by William Gurstelle Projects and experiments involving combustion, propulsion, and pyrotechnics with safety protocols and scientific explanations.

🔧 William Gurstelle has written over a dozen books on experimental science and technology, earning him recognition as a "risk educator" who encourages calculated scientific exploration. 🎯 The first edition of "Backyard Ballistics" was published in 2001 and became such a success that it spawned multiple updated editions and influenced a whole genre of DIY science books. ⚔️ Ancient siege weapons like the trebuchet, featured in the book, could launch projectiles weighing up to 350 pounds over 300 meters during medieval warfare. 🚀 The book's potato cannon project demonstrates the same basic principles used in modern military artillery, where compressed gas rapidly expands to propel a projectile. 🔬 Many of the projects in the book illustrate fundamental physics concepts discovered by Sir Isaac Newton in the 1600s, including his Third Law of Motion: for every action, there is an equal and opposite reaction.