دانلود کتاب Record Breaking Paper Airplanes Ebook: Make Paper Airplanes Based on the Fastest, Longest-Flying Planes in the World!

Make paper airplanes based on the fastest, longest-flying planes in the world!
Paper airplane expert Andrew Dewar presents this new collection of 16 original high-performance paper airplanes. These planes are incredibly easy to fold, and designed to push the envelope in terms of time aloft and distance thrown—based on principles exploited by record-breaking paper airplane experts such as Ken Blackburn, Michael Collins and Takuo Toda.
The book opens with the history of paper airplane record-setters, followed by a fascinating primer to the principles of flight so kids can learn about the forces that enable a plane to fly and the properties that affect the duration and distance of their flights. They'll have fun coaxing better and better performances out of these optimized designs. The sky is the limit once they understand how planes actually work!
Each paper plane has simple folding instructions and corresponding custom folding papers with folding lines printed right on the sheets. Each plane can be folded up in just a few moments, so kids can start shattering records of their own right away!
This paper airplanes kit includes:

A full-color, 64-page book
Easy, step-by-step instructions
16 unique designs
48 printable full-color airplane folding sheets