Rubber band engineer : build slingshot-powered rockets, rubber band rifles, unconventional catapults and more guerilla gadgets from household hardware / Lance Akiyama
Handheld shooters. Many-thing shooter ; PVC slingshot rifle ; Crossbow ; Bow and arrow -- Mini siege engines. Pyramid catapult ; Enhanced mousetrap catapult ; Floating arm trebuchet ; Da Vinci catapult -- Hydraulic + pneumatic power. Hydraulic and pneumatic systems: the basics ; Pneumatic magic box ; Extending grabber ; Robot arm ; Hydraulic fighting robots -- Flight. Improvised darts ; Slingshot rocket ; Rubber band helicopter -- Other gadgets + contraptions. Paper plane launcher ; Wire loop game ; Propeller-powered car
Summary
"Discover unexpected ways to turn common materials into crafty contraptions that range from surprisingly simple to curiously complex. In vivid color photos, you'll be guided to create slingshot rockets, unique catapults, and even hydraulic-powered machines. Whether you build one or all 19 of these designs, you'll feel like an ingenious engineer when you're through."-- Amazon.com
