In 2004, an all-new, outstanding efficient midsize airplane was launched called the 787 Dreamliner; an aircraft that has been said to have a “revolutionary” design. This paper will illustrate the various categories of this aircraft such as primary and secondary structures, controls, materials, construction and assembly methods. Researching this design concept will show why the 787 Dreamliner is better than its other competition in performance, fuel efficiency and why it is the airplane of the future.
The Boeing 787 Dreamliner
Scheduled to enter service in 2008 but due to some problems the first flight occurred December of 2009. It is the first midsize commercial aircraft produced by Boeing to use composite materials throughout the entire construction. This airplane is designed to use 20 percent less fuel than airplanes similar in size and it also travels to speeds coinciding with other aircraft, around Mach 0.85. The airlines also have realized that with the lighter weight there is more cargo capacity; a 20 to 45 percent advantage over other planes (“Boeing 787 Provides,” 2013). Lastly we must realize that the materials used in the assembly methods/construction for the primary and secondary structures have made all of these features possible and without the differences this would just be like any other ordinary aircraft.
Primary and Secondary Structures, Materials and Controls
The better use of composite materials in the aircraft primary structures makes this aircraft different than previous commercial Boeing aircraft. With a new design process, the company resulted in an airframe comprising of 50% advanced composites, 20% aluminum, 15% titanium, 10% steel and 5% of other materials (“From The Ground Up,”...
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...oeing calls “The mother of all tooling towers.” The finished 787 is then rolled out of the factory to a hangar where it is then painted (Gates, 2009).
Conclusion
In conclusion, with the new composite materials the risk of corrosion and fatigue will greatly decrease. Composite repair techniques described earlier and the new electronic systems monitoring will allow maintenance costs and time out of service to be reduced while airline profit maximizes. As Boeing brings the 787 Dreamliner to the market, the company has made a significant profit which has continued to increase each year. The above average fuel economy allows passengers to save money and take longer direct flights with higher levels of comfort. This aircraft is showing it is more technologically advanced than its competition which is why this aircraft will be the revolutionary to the aircraft industry.
Ever since I was little I was amazed at the ability for a machine to fly. I have always wanted to explore ideas of flight and be able to actually fly. I think I may have found my childhood fantasy in the world of aeronautical engineering. The object of my paper is to give me more insight on my future career as an aeronautical engineer. This paper was also to give me ideas of the physics of flight and be to apply those physics of flight to compete in a high school competition.
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[2] “Wing and Tail Design”- Page Aircraft Design: A System Engineering Approach by Mohammad H Sadraey- Wiley Aerospace Series
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Boeing 787 Dreamliner was first announced to the public in January 2003 with approximated costs of five billion dollars , since the sales of the aircraft were high it was supposed to enter commercial service during 2008 but the building up of aircraft seemed more anticipated than expected , since the management decided to use composite materials as an alternative for traditional metals as composite materials are lighter , stronger , cheaper and also resistance to wild variety of chemical agents including acid rain and salt spray as these are the conditions under which metals suffer , Boeing also shared their views in development of air craft with suppliers which effected in a project significantly more anticipated than expected . More than three years later after the project exceeded the estimated budget at last 787 entered commercial service in September 2011.
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