Helicopters

• Science: Technology: Acoustics, Ultrasound and Vibration  (704)

Boeing Sikorsky RAH-66 Stealth Comanche Helicopter - Information on the RAH-66 Stealth Comanche helicopter and the stealth technology used in it.

Helicopter Aviation - This site deals with the aerodynamics of helicopters, instruction on how to fly helicopters, mechanical components, and helicopter maneuvers.

Helicopter Zone - Provides links to helicopter sites, animated helicopter GIFs, photographs, and downloads.

How Helicopters Work - Photos and many brief videos in this narrative help to describe helicopter controls, capabilities and complexity.

Hummingbird Project - Hummingbird is a small research helicopter, at Stanford University's Aerospace Robotics Laboratory, which navigates using an integration of the Global Positioning System with computer vision.