This book describes helicopters, aircraft that can move straight up, down, left, right, back, and forward, explaining how a helicopter's engine creates lift and thrust and how gas turbine engines work well in helicopters.
General Note
Includes index.
Includes glossary.
Content Note
Get moving - What is a helicopter? - A closer look - Why helicopters fly - How helicopters move - A special engine - An important part - The pilot's seat - Transport helicopters - Rescue me! - Past to present - Blast from the past.