Aircraft engine — An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always a type of lightweight internal combustion engine. This article is an overview of the basic types of aircraft engines and the design concepts employed in … Wikipedia
.22 Long Rifle — 22 redirects here. For other uses, see .22 (disambiguation). .22 Long rifle .22 Long Rifle – Subsonic Hollow point (left). Standard Velocity (center), Hyper Velocity Stinger Hollow point (right). T … Wikipedia
7th Sea (collectible card game) — Infobox Game | subject name= 7th Sea image link= image caption= designer=Dan Verssen, David Williams, Erik Yaple publisher= Alderac Entertainment Group players= 2 ages= 12+ setup time= playing time= Approx 45 min complexity= strategy= random… … Wikipedia
Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… … Universalium
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker … Wikipedia
Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ … Wikipedia
Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… … Wikipedia
Ethanol fuel — is ethanol (ethyl alcohol), the same type of alcohol found in alcoholic beverages. It can be used as a fuel, mainly as a biofuel alternative to gasoline, and is widely used in cars in Brazil. Because it is easy to manufacture and process and can… … Wikipedia
Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… … Wikipedia
