Those outside of the aerospace sector may not be aware but on some aircraft, there are some spiralized markings at the center of the engine. Though not much is known about these spirals, there is some speculation as to what purpose these markings serve. To learn more about nose cone spirals (also known as spinner spirals, spinner swirls, or nose cone swirls) this article investigates some remarks made by professionals in the Boeing company as well as from Rolls Royce and other businesses in the aviation sector.


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Aircraft Engine Cooling systems are designed to control and reduce the temperature of an engine, particularly, cylinder barrel heads. Without a cooling system, temperatures would rise to such high extremes that it would be unsafe to operate; engine failure would be unavoidable. There are two types of cooling systems that aircraft use today: air-cooling and liquid-cooling.


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The U. S. Army is considered to be the most powerful army on the Globe and this drives them the army too always be on the frontier of new technologies. For example, when it comes to new weapons, vehicles, planes, equipment and tools that can keep helps the military on the ground or in the air is very critical for the U.S. Army. One of the programs that the army is working on is an Improved Turbine Engine Program (ITEP).  This program was awarded to GE Aviation by the U.S. Army Contracting Command (ACC). GE was awarded $104 million to revie the design of the GE3000 engine and look into an Improved Turbine Engine Program (ITEP). This engine is going to improve the turboshaft propulsion of the two most military used helicopters the Army’s Black Hawk and the Apache helicopter. The program wants to improve the efficiency of the engine when it comes to fuel consumption, performance and also very important the cost it takes to maintain the engine.


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Boeing has an engine that is considered the world’s biggest engine in terms of size. This engine is called the GE9X engine suitable for the Boeing 777x aircraft. The GE9X out beats the second largest engine, the GE90, by over five full inches. The GE9X engine has a front fan with a diameter of 134 inches.


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The most efficient four-stroke diesel engine - according to the Guinness Book of World Records - has been chosen to power a new icebreaker ship currently under construction in the PJSC Vyborg Shipyard.


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