AL MOMENTO ESAURITO

The World Record Paper Air Plane Book by Ken Blackburn, Jeff Lammers (Paperback, 1994)

Mixing science, innovation and enthusiasm, this book is an everything-you-need resource for beginners and experienced flyers alike. It features 16 models, including the basic dart and its variations, one chopper and the the square flyer that holds the world record; 80 colour airplanes-to-be, performated with fold marks; a colour pull-out landing strip for accuracy practice; and a flight log. As aerodynamic engineers, the authors explain everything from the principles behind why paper airplanes fly and why they crash, to tips on fine-tuning planes for speed and stability, adjusting for wind conditions, practicing to get the best throw, troubleshooting, and performing loops, rolls and other aerobatics. A special section gives ideas on staging accuracy and distance competitions.

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