dihedral foil
1Sailing hydrofoil — A sailing hydrofoil or hydrosail is a sailboat with wing like foils mounted under the hull. As the craft increases its speed the hydrofoils lift the hull up and out of the water, greatly reducing wetted area, resulting in decreased drag and… …
2HMCS Bras d'Or (FHE 400) — was a hydrofoil that served in the Canadian Forces from 1968 to 1971.The vessel was originally built from 1960 1967 for the Royal Canadian Navy as a project for testing anti submarine warfare technology on an ocean going hydrofoil. The RCN was… …
3Winged keel — A winged keel is a sailboat keel, usually of high aspect ratio, that uses a nearly horizontal foil, the wing , at the bottom to provide additional performance. The horizontal foil serves two purposes: it acts as an winglet on the foil,… …
4Ozone — For other uses, see Ozone (disambiguation). Ozone …
5Aviation history — deals with the development of mechanical flight, from the earliest attempts in kite powered and gliding flight, to powered heavier than air flight, and beyond. Humanity s desire to fly possibly first found expression in China, where people flying …
6rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
7Stealth aircraft — are aircraft that use stealth technology to make it harder to be detected by radar and other means than conventional aircraft by employing a combination of features to reduce visibility in the visual, audio, infrared and radio frequency (RF)… …
