Aerodynamics:

 Aerodynamic Related Web Sites:

Composite:

 Composite Related Web Sites:

Mechanical:

 Mechanical Related Web Sites:

Dictionary

The Aviation Dictionary

Aerodynamics' Glossary

Math Glossary

Mathematical Programming Glossary - Index

Acronyms

Aviation Acronyms & Abbreviations

MatWeb

Web site on properties of materials.

Manual

Online Helicopter Instructors' Manual

Helicopter Basics

A series of 5 online articles by Colin Mill on the basics of helicopter flight. Is for model helicopters.

Patent Search

Patent searching by a variety of inputs, and if desired an output of complete patent.

Much Helicopter Info.

The Helicopter Aviation Home Page: by Paul Cantrell - Excellent -

The CalVert Helicopter

Proposed synchropter configured helicopter by the University of Maryland

Flettner's Helicopters

Pages on Anton Flettner's helicopters particularly the intermeshing Flettner FL-282 Kolibri

Basic Helicopter Handbook

12 chapter handbook from the U.S. Department of Transportation

Aviation Accident Database

The National Transportation Safety Board

Homebuilt Rotorcraft

Web page of Homebuilt Rotorcraft magazine

Rotorcycle

Hiller XROE-1 Collapsible Rotorcycle. "Small enough when folded to carry in a pod under an aircraft's wing or on the luggage rack of your car."

Bede Design Information

A potpourri of information related to aerodynamics and mechanics

Commercial Use

The Commercial Use of Ultralight Helicopters

CAMRAD II Software

Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics

All the World's Rotorcraft

A reasonable amount of specific information and pictures on 690 rotorcraft.

Dynamic Flight Maneuvers

from The Rotorcraft Flying Handbook FAA-H-8083-21

Rotorway

Much technical information on the Rotorway Experimental Helicopter

Mini 500

Much technical information. See disk. Not web page