Carried Through the Sky on Fine Threads
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Carried Through The Sky On Fine Threads Boeing 787 Dreamliner Boeing Aircraft Photo by Tyler Beckman NASA’s space shuttle launching from Cape Canaveral with all he aerospace industry its aerodynamic curves and never ceases to be on its powerful rocket boosters. Tthe cutting edge of Herein lies the challenge given technology! If you want to know to all engineers and aerospace or see the future of technology companies that produce these in engineering and design, look amazing machines. no further than in the aerospace industry because it usually starts Early Aircraft Structures there. When we think of the word “aerospace,” we envision Cirrus Vision SF50 Cirrus Aircraft Photo Early scientists, inventors, Visit Northland Community and Technical College at www.northlandcollege.edu & Northland Aerospace at www.northlandaerospace.com NCTC is an equal opportunity educator and employer. 54 OCTOBER/NOVEMBER 2015 MIDWEST FLYER MAGAZINE OCTOBER/NOVEMBER 2015 MIDWEST FLYER MAGAZINE 55 Untitled-7 1 7/9/14 1:53 PM and engineers were challenged with components where titanium has been Ceramic Matrix Composites making the materials of their day take the primary material used for years in flight through the sky. The Wright jet engines. Ceramic Matrix Composites Brothers and others during their time (CMCs) are being researched and became successful with a combination What are these composite developed by General Electric, which of lightweight wood, fabric, and the materials? Aramid (Kevlar) fiber. would have excellent weight savings in internal combustion engine. Power the hot section of a jet engine. Metals generated by an internal combustion A scientist at DuPont by the name have dominated this area of the engine engine was definitely crucial at this of Stephanie L. Kwolek developed over the years, but CMCs may prove to time in history. As time went on, these Kevlar in 1965. be a formidable competitor. early structures proved to fall behind Kevlar is an interesting material. Ceramic is a brittle substance as aircraft began flying higher, moving The applications of the material I think that can withstand extremely high faster, and flying longer. To do these are the most interesting. Kevlar has temperatures. GE has figured out an things, aircraft had to become lighter been used to make cut resistant gloves; advanced process to produce engine and stronger. it has been woven to make bulletproof parts that can withstand the extreme Wood and fabric took the airplane vests; and it has been used where flame requirements in a jet engine. only so far, and engine technology resistance is a desired characteristic, became increasingly powerful. Fabric such as for firefighting gear. What This Means and wood just cannot withstand the My experience working with Kevlar To Aerospace Education forces produced by these higher power comes from a small unmanned aerial engines, nor can they provide a suitable system (sUAS) we fly in our Certificate An understanding is needed by pressure vessel for a pressurized cabin. of Authorization (COA). technicians to know the material and So aluminum came on the scene. Northland Community & the structures that these materials make. Lightweight, easily formable, and strong Technical College (NCTC) received The following questions will need to be were all the characteristics needed to fly the COA from the FAA in 2014 to fly answered to repair aircraft structures: faster, higher, and carry a lot of weight sUAS in Roseau County, Minnesota What material is the fiber made out in passengers, cargo and fuel. for agricultural research purposes of? Aluminum and its various alloys at NCTC. It is called the “Sentera What style of weave was the fiber have their birthplace from World War Phoenix,” sold by Sentera, which used to construct? I and II. Like the rest of the aerospace is a Minneapolis, Minnesota-based What orientation is the weave technology, many aircraft, rockets, company. Most of the structure, wings fabricated? and satellites have been designed and and fuselage uses Kevlar. The internal What matrix system was used to produced around this lightweight bay is reinforced with carbon fiber to encapsulate the fibers? material. Aluminum came into the give it strong internal bracing where the The list goes on with the technical aerospace industry and has been the battery and sensors mount. knowledge in this field. go-to material for many years, and I One of the most important believe it will continue to be so. Carbon Fiber questions technicians need to ask is, can I repair this part? Future Aircraft Structures Carbon fiber is advancing by leaps There is no need to be overwhelmed and bounds in many industries. Carbon by these questions, and if you lack Today, we see aircraft made from fiber is considered to have the greatest experience in these areas, please know a mixture of structures, which is strength-to-weight ratios compared to there are several options out there to get a sign that aircraft companies are Kevlar and glass. you up to a faster airspeed. researching and designing lighter An intriguing part on aircraft where At Northland Community & weight components. We all know carbon fibers are being used is the Technical College, we have been about the new passenger aircraft rolling first stage fans on high bypass turbo training FAA mechanics with ratings in off the assembly lines with Advanced fan engines. For example, the GEnx Airframe and Powerplant for over 50 Composite materials, which make engine has carbon fiber composite fan years. This program provides the skills up greater than 50% of a structure. blades, which are laid up by hand and of having a good aviation maintenance Examples, such as the Boeing 787 and placed into an auto-clave for cure. Each technician foundation. NCTC also the Airbus A350, Cirrus SR-22, Cirrus blade is rigorously tested before being offers a certificate in Unmanned Aerial Vision SF50, the Learjet 85, all use installed on a new engine. According Systems Maintenance, which provides composite materials. Even the engines to GE, they are seeing 15% better additional training built upon the of these aircraft are using advanced fuel consumption with these blades solid foundation of having an FAA composites within the internal installed. mechanic certificate with Airframe and 56 OCTOBER/NOVEMBER 2015 MIDWEST FLYER MAGAZINE Powerplant ratings. If you have been program, but even if we turn out the Aerospace is a collaborative partnership keeping up with aviation news, you students we have, it will still not be between Northland Community and may have noticed quite a few articles enough for what the industry needs. Technical College (NCTC) of Thief River Falls, Minnesota and the Northland about the decline in the number of There is a strong future in the Aerospace Foundation (NAF) of East aircraft mechanics entering into the aerospace industry and you can be part Grand Forks, Minnesota. NCTC is the workforce. We need your help with this. of it. educator and NAF helps it operate “at NCTC actively recruits for the EDITOR’S NOTE: Northland the speed of business.” q Reigel/KlobuchaR FRom Page 49 FAA need to retain authority over Air Reigel concluded his letter by Reauthorization, please keep in mind Traffic Control (ATC) and the National thanking Senator Klobuchar for being the GA industry’s need for a multi- Airspace System (NAS). Transferring a member of the General Aviation year reauthorization that will sustain control of these air transportation Caucus and for supporting General funding for multi-year projects. systems to a ‘private entity’ funded by Aviation, and offered to discuss these The FAA, and ultimately GA, need user fees (which have been repeatedly issues further at her convenience. committed, long-term funding, rather rejected by Congress) would not result EDITOR’S NOTE: All pilots, airport than a string of continuing resolutions in efficiencies or benefit the public. managers and aviation business that only perpetuate uncertainty and Rather, such a transfer would add owners are urged to likewise contact their U.S. Senators and insecurity within the entire aviation bureaucracy and cost which would Representatives and encourage their industry. unduly burden and stifle the GA support of the Pilot’s Bill of Rights II “Futhermore, Congress and the industry.” (PBOR2). q South Dakota Aviation Businesses presents many opportunities to improve operations at the FAA and make it Oppose Creation of Air Traffic Control Corporation easier for aviation businesses to interact with the agency. However, separating WASHINGTON, DC – In a air traffic control corporation, stating, air traffic control from the agency’s September 8, 2015 letter to the “It will undermine the National Air regulatory functions risks undermining Chairman of the Senate Commerce Transportation System by denying aviation safety, jobs, and investment for Committee, Senator John Thune rural America access to cutting-edge all South Dakotans.” (R-SD), South Dakota aviation technology and hinder South Dakota’s The letter to Senator Thune follows businesses expressed opposition to using economic development.” a briefing with South Dakota businesses the upcoming FAA reauthorization The letter concluded by stating, by NATA President Tom Hendricks on legislation to create a user-fee funded “The upcoming FAA reauthorization the status of FAA reauthorization. q If you do not want to missDon't an issue Miss of Midwest Flyer Magazine MidwestWhat's Flyer Happening Magazine 00 IDWEST FLYER $19. 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