Download or read book Flying Machines written by Nick Arnold and published by National Geographic Books. This book was released on 2014-08-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ready to take off? Learn all about aerodynamics and find everything you need to make five fabulous flying machines. Do you love machines that fly? Can you name some key aviation inventions, from balloons to solar-powered planes? Do you know how flight forces such as gravity, drag, thrust, and lift work? Kids who are raring to make their own flying machines can pore through the theory and history of flight, build five different models — a galactic glider, a deadly dart, a whirlybird helicopter, a single-prop Starlite, and a twin-prop SuperStar — and pick up some expert tips on flying them like an ace. Special features include: • Tear-out printed sheets for making two paper planes • Materials for making three propeller-powered machines, including balsa wood body parts, neoprene wings, plastic propellers, wheels, and an elastic band