CONTENTS 4 Take Off 8 Four Forces 14 Shapes and sizes 20 Many Uses HOW DOES IT FLY 22 Glossary 23 Find Out More 24 Index 24 About the Author
TAKE OFF The pilot in the airplane cockpit calls out Clear He is about to start the engine Power from the engine turns the propeller The propeller is a long blade attached to the airplane engine The spinning propeller scoops air as it turns This pulls the airplane forward down the runway The engine turns the propeller very fast before the airplane starts down the