Maughmer named american institute of aeronautics and. In the foreground, a red blended winglet extends up from the port wing tip of a boeing 737800. Winglets are an established way of improving the performance of an airplane without the need of drastically modifying the design of the airplane. Maughmer, professor of aerospace engineering at penn state, has been named an american institute of aeronautics and astronautics aiaa fellow.
Fans of the new york times bestselling wings of fire series wont want to miss this allnew story set in the dangerous w. Effect of winglets on performance and handling qualities. Design and testing of a winglet airfoil for lowspeed aircraft. University leadership initiative uli uli technical. Mark maughmer of penn state university and the ventus2 winglets are expected to be available late spring 2012. In the background, a yellow wingtip fence on the starboard wing of an airbus a319. As understanding was gained, improved methods were. Citeseerx document details isaac councill, lee giles, pradeep teregowda. The design of winglets for lowspeed aircraft, macchione editore, varese, italy. Multidisciplinary design and optimization for high speed, high.
Sandilya kambampati, taylor hoover, edward smith, mark david maughmer. May 05, 2015 the winglets were attached to a 172 scale model of a cessna 172. Maughmer over the past ten years, from initially being able to do little to improve overall sailplane performance, winglets have developed to such an extent that few gliders leave the factories without them. Maughmer, an associate professor of aerospace engineering at the pennsylvania state university, about designing winglets to improve performance on his 15meter 49 ft wingspan racing sailplane. Good story on hosting a glider contests during the pandemic. To further these gains, an improved methodology for winglet.
Our guided reading 6book sets help you tailor your instruction to meet individual and smallgroup interests and needs. Citeseerx the design of winglets for highperformance. Winglets greatly reduce drag due to lift wake turbulence formation. Maughmer born january 18, 1947 is a professor of aerospace engineering in the department of aerospace engineering at the pennsylvania state university. Maughmer the pennsylvania state university university park, pennsylvania 16802 abstract although theoretical tools for the design of winglets for. Maughmer born january 18, 1950 is a professor of aerospace engineering in the department of aerospace engineering at the pennsylvania state university. Winglets kindle edition by sutherland, tui t download it once and read it on your kindle device, pc, phones or tablets. Maughmer honored with distinguished alumnus award may 31, 2019 debra levey larson as a senior in 1972 at the university of illinois in the department of aerospace engineering, mark maughmer was forced to make a choice. The pennsylvania state university the graduate school. In 1987, mechanical engineer peter masak called on aerodynamicist mark d. Fans of the new york times bestselling wings of fire series wont want to miss this allnew story set in the dangerous world of dragons.
Winglet liftcoefficient operating range compared to that of the wing for a typical highperformance. Willits, the design and testing of a winglet airfoil for low speed aircraft, aiaa paper 20012478, june 2001. Fans of the new york times bestselling wings of fire series wont want to miss this allnew story set in the dangerous a. The out wing was developed in close cooperation with dr. Clark maughmer is 74 years old and was born on 04231945. Far from the simple wing end plates patented by lanchester in 1897, whitcombs early 1970svintage winglets were carefully designed airfoils that harnessed the energy of the wingtip vortex. They are now a familiar sight to nearly every soaring pilot. Ive heard mark maughmer professor at penn state and an authority on winglets say that for best effect the wing and winglet. For mark maughmer, professor of aerospace engineering in penn states college of engineering, it was love at first sight. Addon winglets are also custom made for many types of aircraft. The air pressure on the bottom of a wing is greater than the pressure on top, so when air. The quintus ms outer wing has been designed by schempphirth, supported by karlheinz horstmann and jan himisch who work with the german aerospace center dlr in braunschweig. The mass of one winglets is limited to 0,28 0,04 kg 0.
Range has been estimated to have increased by more than 100nm. American institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. In the short story winglets series, fans will meet old friends and new enemies, uncover shocking secrets, and learn more about the terrible challenges that will test all dragonkind. Maughmer was the first to have some success putting a winglet on a sailplane, now all have winglets mark maughmer, professor of aerospace engineering, flies a dkvxx glider, outfitted with the vertical wing tips he designed to improve lift while reducing drag. At first, fans of the wings of fire series might find this ebook a bit underwhelming. Those in the know are changing back to the original airfoil as. Tamarack active winglets certified for citation 525 series. Home multidisciplinary design and optimization for high speed, high efficiency tiltrotors with wing extensions and winglets. To start the engine, one simply switches the ignition to on and. Although theoretical tools for the design of winglets for. Mark maughmer abstract although theoretical tools for the design of winglets for highperformance sailplanes were initially of limited value, simple methods were used to design winglets that gradually became accepted as benefiting overall sailplane performance. Closeup of winglet on kc5 test aircraft, with attached tufts displaying flow of air over winglet surface. The atlas active winglets on the m2 reduces block fuel burn by an estimated 1012%.
Sutherland born july 31, 1978 in caracas, venezuela is a venezuelanamerican childrens book author who has also written under the pen name heather williams. The airflow around winglets is complicated, however, so much so that one design definitely doesnt fit all. Maughmer news newspapers books scholar jstor may 2019 learn how and when. Winglets are strong enough for slips to final and increase the safety as the glider is less likely to spin with the winglets, especially earlier generation models like the asw20 and ventus.
Maughmer, an associate professor of aerospace engineering, about designing winglets to improve performance on his 15meter wingspan racing sailplane. European jet maker airbus is waging a legal battle against a longtime ally of boeing over the curved wingtip attachments that airlines are increasingly demanding as a way to save fuel. But it could be that the wing itself would need some redesign. The results of mark maughmers high school aptitude test dictated he should be an. Select from a variety of bestselling titles to enhance your guided reading program. Over the past ten years, from initially being able to do little to improve overall sailplane performance, winglets have developed to such an. Maughmer has made himself known in the aviation world for his contribution to winglets on sailplanes 57. Nasa photo ec7911481 winglets are vertical extensions of wingtips that improve an aircrafts. Sutherland is the author of several books for young readers, including the menagerie trilogy, the pet trouble series, and three books in the bestselling seekers series as part of the erin hunter team. Sailplane racing fai, sgp is a beautiful, exciting, complex, challenging, and deeply satisfying sport.
The penn state professor is only half kidding when he pulls the book from a pile on. The motor operation operating the motor controls is as easy as thinking, thanks to the new automated concept. Borrow ebooks, audiobooks, and videos from thousands of public libraries worldwide. Gordon leishman, college park press, 2007 parts of book mark maughmer, 2006, appendix d. Five different winglet configurations were wind tunnel tested in may, 2014, by austin vorisek, a graduate of solon high school, who will be attending ohio state university in the fall of 2014, and alex mann, a graduate of orange high school, who will be attending akron univerity. On gliding club confidential, katrine senne tell us about her gliding club in the black forest. Winglets 4 book series essay and need some advice, post your tui t. Other names that clark uses includes clark m maughmer and clark m maughner. N2 the psu 94097 airfoil has been designed for use on winglets of highperformance sailplanes.
The scale model is a present for professor mark maughmer of penn state university. The blunting, changing the first 10% of the airfoil in the outboard section of the wing was thought to improve the climb but it turns out to be a well designed winglet that made the difference. Winglets, in all forms and shapes, have become a standard feature in sailplane design. Clark maughmer m, 74 kingston, oh background report at. In 1987, mechanical engineer peter masak called on mark d. Flaperons, respectively ailerons, are following the entire wingspan and therefore provide effective and direct controls. Support the determination of the most appropriate airframe configuration for the application of the snlf airfoil design through traditional drag build up and performance analyses. The photo below shows heinz, his beautiful wife karin, and the also beautiful quintus model. Winglets, is only a tiny 32 pages long and only about three chapters. The design and testing of a winglet airfoil for lowspeed. Sailplane winglet design maughmer technical soaring.
The change in mass for the new winglets are so small and so close to the in flight c. In 1987, peter masak called on maughmer about designing winglets for his sailplane to improve performance. And hear from the man behind the sun seeker a unique solar powered motor glider. Mark palmer adelaide, south australia, australia level. There are several types of wing tip devices, and although they function in different manners, the intended effect is always. The design of winglets for lowspeed aircraft mark d. Mark maughmer, peter kunz abstract although the accuracy of methods for the design and analysis of winglets has been limited, the performance gains achieved through their use are now well established. Would winglets have helped an oldtime airplane like a dc3.
Cant, the angle to which the winglet diverges from vertical, and toe, the angle at which the winglets airfoils diverge from the relative wind, determine the magnitude and orientation of the lift force generated by the winglet itself. Multidisciplinary design and optimization for high speed. Fans of the new york times bestselling wings of shelve deserter. Design of winglets for highperformance sailplanes journal. Mark maughmer is a long time glider pilot and engineer. He is a widely published author known throughout the world as one of the leading aerodynamicists, especially in the areas of airfoil and winglet design and analysis, wing planform optimization, natural. Multidisciplinary design and optimization for high speed, high efficiency tiltrotors with wing extensions and winglets sandilya kambampati, edward smith, mark maughmer, taylor hoover, penn state may 17, 2016. Maughmer, the pennsylvania state university university park, pennsylvania 16802 5an experimental study on wingtip devices for agricultural aircraft,rogerio f.
Kunz the pennsylvania state university, university park, pennsylvania presented at the xxv ostiv congress, saint auban, france summary although the accuracy of methods for the design and analysis of winglets has been limited, the performance gains achieved through their use are now well established. The goal of this project is to measure the effects on flight performance when winglets are added to a paper airplane design. Others had attempted to apply whitcombs winglets to gliders before, and they. Maughmer was the first to have some success putting a winglet on a sailplane, now all have winglets. The earliestknown implementation of a hoernerstyle downwardangled wingtip device on a jet aircraft was the socalled lippischohren lippisch ears, allegedly attributed to the messerschmitt me 163s designer alexander lippisch, and first added to the m3 and m4 third and fourth prototypes of the heinkel he 162a spatz jet light fighter for evaluation. Karlheinz horstmann wing geometry, profiles and prof. Instead of the usual 300page package were so used to, prisoners, the first book in a side series called wings of fire. Wingtip devices are usually intended to improve the efficiency of fixedwing aircraft.
As with the ventus2cx outer wing development, the cross examination of ideas and findings resulted in an optimally tuned unity between outer wing and winglet. Although theoretical tools for the design of winglets for lowspeed aircraft were initially of limited value, simple methods were used to design winglets that gradually became accepted as benefiting overall aircraft performance. Bachelor thesis department of automotive and aeronautical. Theyre called winglets, and their purpose is to reduce turbulence at the tips of an airplanes wings. A comparative study between winglet and raked wingtip. Others had attempted to apply whitcombs winglets to gliders before, and they did improve climb performance, but this did not offset the. Pennsylvania state university, university park, pennsylvania. Maughmer born january 18, 1950 is a professor of aerospace engineering in the. Buttressed by his academic research, maughmer s design work with sailplane racing pilot peter masak in the late 1980s and early 1990s literally revolutionized the shape of gliders by making winglets standard equipment. May 22, 2012 american institute of aeronautics and astronautics 12700 sunrise valley drive, suite 200 reston, va 201915807 703. As with the ventus2cx outer wing development, the cross examination of ideas and findings resulted in an optimally tuned unity. And is largely responsible for glider winglet design.
A wing structural model for strength and wing weight predictions. Citeseerx the design of winglets for lowspeed aircraft. Mark maughmer, 2008, the helicopter thinking forward, looking back, by j. Some aircraft are designed and manufactured with sleek upturned winglets that blend smoothly into the outer wing sections. Operational reynolds number range of winglet airfoil and range of windtunnel tests.
Winglets are one of the most successful examples of a nasa aeronautical innovation being utilized around the world on all types of aircraft. Jeanjacques chattot, analysis and design of wings and wing winglet combinations at low speeds, aiaa paper 20040220, jan. Sutherland, author of the bestselling wings of fire series, soars further into the world of pyrrhias dragons than ever before. Sutherland essay question on our facebook page where fellow bookworms are always glad to help. Aerospace engineer recognized with lifetime achievement. Studies of winglet performance for sailplanes began in the early 1980s. Sutherland, author of the bestselling currently reading.
Winglets had been tried before on gliders but without success, and the. Page asw 27 alexander schleicher technical note no. Maughmer the pennsylvania state university university park, pennsylvania 16802 abstract although theoretical tools for the design of winglets for lowspeed aircraft were initially of limited value, simple methods were used to design winglets that gradually became accepted as. While winglets do not directly create additional lift, they block the downforces created. He is also exploring methods for the design and analysis of planar and nonplanar wing geometries, as well as winglets, for achieving minimum overall drag. Design of winglets for highperformance sailplanes journal of. Pdf design and testing of a winglet airfoil for lowspeed aircraft. Winglets book series 4 books all formats kindle edition from book 1. Although theoretical tools for the design of winglets for highperformance sailplanes were initially of limited value, simple methods were used to design winglets that gradually became accepted as benefiting overall sailplane performance. Use features like bookmarks, note taking and highlighting while reading prisoners wing of fire.
Atlas active winglets certification for citation m2. T1 the design and testing of a winglet airfoil for lowspeed aircraft. Each story is available exclusively in ebook and is the perfect read for wings of fire fans who just cant wait for the next book in the series. He is a widely published author known throughout the world as one of the leading aerodynamicists, especially in the areas of airfoil and winglet design and analysis, wing optimization, natural laminar flow aerodynamics, and subsonic. Of special note in the background of this photo is kai gertsens book desperate to fly, published by karins company btlink. As a result, winglets imposed much less weight and drag penalty than increasing wingspan. Design and analysis of spiroid winglet open access journals. In these brandnew short stories, fans will meet old friends and new ones, uncover shocking secrets, and learn more about the terrible challenges that will test all dragonkind. Maughmer is involved in the design, analysis, and windtunnel testing of airfoils. Lanchester vertical surfaces at wing tips reduced induced drag1897 vertical endplates produced a large reduction in drag at high lift conditions.
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