
	Where results make sense

Topic: Rogallo wing

Related Topics

Francis Rogallo

Waverider

Airfoil kite

Hang gliding

Reynolds number

	Method and apparatus for deploying a wing - Patent 5884863
		The deployable wing of claim 1, further comprising a wing mounting member adjacent to and connected to said keel, wherein said detachable extension is removably mounted to said wing by said wing mounting member.
		The wing further includes upper and lower flexible membranes, a first connector for attaching the upper flexible membrane to the upper aft section of the leading edge member and a second connector for attaching the lower flexible membrane to the lower aft section of the leading edge member.
		To maintain the wing 10 in the closed position a strap 39 having an anchor end 36a and a release end 36b is connected to the underside of leading edge spars 20a and 20b at spool members 37a, 37b, respectively.
	www.freepatentsonline.com /5884863.html (5972 words)

	Rogallo
		Prior to Dr. Rogallo’s research, it was believed that cloth had to be braced or stiffened in order to serve as a basis for flight.
		Rogallo’s early kites needed up to twenty-eight shroud lines, although their tendency to tangle convinced him of the need to design simpler models using six, and then finally four lines.
		While this makes Rogallo the father of modern hang gliding as it is known today; for kite fliers, the importance of the delta is profound.
	members.verizon.net /~vze26db3/Miscellaneous/rogallo.htm (966 words)

	Hang glider having inflatable airfoil - Patent 4116406
		The Rogallo wing consists of a single surface sail affixed to a frame comprised basically of keel, a pair of diverging leading edge members, and a cross member, much in the manner of a traditional kite design.
		1, is in the form of a Rogallo wing having a frame consisting of a pair of leading edge members 12 and 14 pivotally interconnected in conventional fashion to the forward end of a keel 16 at the nose 17 of the wing.
		2, the wing is depicted in a large angle of attack 60 relative to the prevailing airstream 62, an attitude assumed to lower the flight speed.
	www.freepatentsonline.com /4116406.html (3204 words)

	Support - Articles - Wills Wing, Inc.
		The Rogallo wing was an extremely simple wing, consisting essentially of two sails joined along a central spar, forming a delta shaped single surface fabric wing.
		Rogallo had originally invented the wing with the idea to create an aircraft which would be simple enough and inexpensive enough that anyone could have one.
		Eventually, the wing design was borrowed for use as a hang glider, and its simplicity of design and ease of construction, along with its capability of slow flight and gentle landing characteristics led to an explosive growth in popularity of the "new" sport of hang gliding.
	www.willswing.com /Articles/Article.asp?reqArticleName=BriefHistory (1030 words)

	Rogallo wing - Wikipedia, the free encyclopedia
		[1] Rogallo's wing was considered for use in the Gemini program, but the idea was dropped in 1964.
		Man-rated rogallo wings usually add a vertical posts near the center to anchor guy wires.
		Kite-like rogallo wings control the pitch with a bridle that sets the wing's angle of attack.
	en.wikipedia.org /wiki/Rogallo_wing (563 words)

	::Aero-Experiments::
		This wing will definitely exhibit dihedral-like behavior (creating a roll torque in a sideways airflow), due to the sweep, but this roll torque will not be due to a difference in angle-of-attack between the left and right wings, and so it should not be considered a result of "net geometric dihedral".
		If the wing is swept, our choice of a reference line for "leveling" the aircraft will make a very large difference in the amount of anhedral or dihedral that we come up with when we measure the vertical distance from the wing tips to the wing root.
		So in the case of a flexible hang glider wing, the increased sail billow, not the increased wingtip washout, is the key factor that increases the wing's "net geometric anhedral" when the VG is loose, and decreases the wing's "net geometric anhedral" when the VG is tight.
	www.aeroexperiments.org /billwashabb.shtml (2456 words)

	Astrobiology Magazine
		Rogallo is considered "The Father of Hang Gliding", and his design is often hailed as a kind of original, not having any model in nature.
		Rogallo first realized what this might mean in 1952, when he chanced across an article on space travel: "with beautiful illustrations depicting rigid-winged gliders mounted on top of huge rockets.
		When some photos of Rogallo's design were published in the mid 1960's a few Americans and Australians seized on the idea and started creating their own foot launch versions out of bamboo and plastic.
	www.astrobio.net /news/print.php?sid=638 (2278 words)

	Flexwing Gliders
		Wing loading is the the weight of the glider divided by the surface area of the wing.
		The unmounted wing material is shaped either as a semicircle, with the spar lengths defining the radius of the circle, or as a quadrilateral whose long edges equal the wing spar length and the trailing edges are straight.
		A flexie should have a taut wing surface towards the nose, but the aft section of wing needs to be loose and billowy to form a Rogallo wing shape and control pitch stability.
	home.comcast.net /~bollesg/rockets/flex.html (2325 words)

	Delta Wing Model 162
		The Rogallo wing glider was much safer and more stable that the traditional ski kites with flat airfoils.
		By 1966, Dickensen was selling his adaptation of the Rogallo wing ski kite commercially, and in 1967, he introduced fellow Australian Bill Bennett to the booming sport of flying ski-kites.
		The Rogallo wings with 80 or 90-degree nose angles became known as standard Rogallos.
	www.nasm.si.edu /research/aero/aircraft/delta_wing_162.htm (1198 words)

	First Flight Shrine: Francis & Gertrude Rogallo - The First Flight Society - The First Flight Society (Site not responding. Last check: 2007-10-13)
		Rogallo conceived the thought of making an aircraft wing as a parachute-like flexible structure that would open and maintain its shape by wind pressure.
		The invention of the Rogallo wing gave birth to hang gliding.
		Since that time the Rogallo wing has been used around the world by millions of people to experience their first solo flight.
	www.firstflight.org /shrine/rogallo.cfm (249 words)

	Kitty Hawk Kites Hang Gliding Spectacular and Air Games Rogallo Information (Site not responding. Last check: 2007-10-13)
		When flight control moved away from the Wright's system of wing flexing to attached control surfaces the wings were constructed to be completely rigid, and were covered with increasingly solid substances.
		In Hampton, Virginia, Francis Melvin Rogallo, who had earned one of the first aeronautical engineering degrees issued by a U.S. educational institution (Stanford 1935), was serving in the mid-1940's as a researcher and wind tunnel manager at the facilities of Langley NACA (National Advisory Committee on Aeronautics)-which later became NASA (National Aeronautics and Space Administration).
		Rogallo thought that researching the prospect of a flying cloth wing was an interesting challenge.
	www.hangglidingspectacular.com /rogallohistory.html (869 words)

	Wills Wing, Inc. - History and Future
		The simplicity of design and ease of construction of the Rogallo wing, along with its capability of slow flight and its gentle landing characteristics, led to an explosive growth in popularity of the "new" sport of hang gliding.
		Wills Wing believes that the major challenge for the sports of hang gliding and paragliding is to continue to improve both the safety and the accessibility of these two forms of sport aviation.
		At Wills Wing, a major part of our mission is to continue to strive to close that gap, and in the process to make bird-like flight safely and readily accessible to anyone who is inspired to pursue it.
	www.willswing.com /articles/history.asp (790 words)

	flexwings2
		The incidence of the twisted wing is reduced, causing a reduction in lift.
		Since modern Rogallos have the very flat, tight sails, this twisting of the wing requires the keel boom to pivot slightly from the nose.
		Another useful feature of the Rogallo wing, is its almost unique ability to "dump" excessive dynamic loads during high G manoeuvres, by bending and twisting at the wing tips.
	easyweb.easynet.co.uk /~portwin/ASTRA/Waverider/flexwings2.html (810 words)

	Howstuffworks "How Hang Gliding Works"
		The hang glider's wing, called a delta wing or Rogallo wing, is an outgrowth of NASA engineer Francis Rogallo's research on kites and parachutes in the 1960s.
		Rogallo had proposed the wing as a method of returning spacecraft to Earth.
		Instead, the pilot is suspended from the hang glider's center-of-mass (hence the term "hang" glider) by way of a harness, maneuvering the hang glider by shifting his or her weight (changing the center-of-mass) in the direction of the intended turn.
	www.howstuffworks.com /hang-gliding.htm/printable (1902 words)

	Delta Wing Phoenix VI
		This revolutionary wing could be compactly stowed like a parachute, then deployed and 'flown' with control resembling that of conventional aircraft.
		Total wing surface area was slightly less than standard Rogallo models but the aspect ratio (wingspan to wing chord ratio) increased substantially.
		Although the Phoenix series was soon overshadowed by a new generation of gliders, it played a key role in advancing new technologies within the hang gliding industry during the last half of the 1970s.
	www.nasm.si.edu /research/aero/aircraft/delta_wing_phoenix_vi.htm (804 words)

	NASA Dryden Paresev Photo Collection
		The rope was unrestrained except at the wing tips and was therefore free to equalize the load between the two lobes of the wing.
		Actually the whole wing was not inflatable; the three chambers that acted as spars and supported the wing inflated.
		Although the Rogallo wing was never used on a spacecraft, it revolutionized the sport of hang gliding, and a different but related kind of wing was tested on the X-38 technology demonstrator.
	www.dfrc.nasa.gov /Gallery/Photo/Paresev (1395 words)

	Nasa Wing - FoilDesign (Site not responding. Last check: 2007-10-13)
		Even though the Rogallo's had a patent on their designs they never profited from them, instead they gave these ideas to the public so that yould help others experience the joys of kiting, affordably.
		His wife Gertrude Rogallo was as much responsible for the advancements of kiting, so much so, that when Francis patented the Rogallo Wing, he placed the patent in her name.
		Problems with the stability of the wing (especially of the nose-section) are a thing of the past - they are powerful, easy to sew and cheap buggy-engines.
	foildesign.org /Nasa_Wing (720 words)

	The Rogallo Foundation (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-13)
		In 1948, Francis and Gertrude Rogallo enjoyed the first successful flight of their flexible wing, a revolutionary aero concept that was constructed from Gertrude's kitchen curtains and developed from research conducted in their in-house, homemade wind tunnel.
		he Rogallo Foundation was created in 1992 and its mission is to honor the Rogallo's; preserve their priceless records, artifacts, and research; interpret their incredible story; and protect this legacy of free flight for millions of people in all the Nations of the world.
		Rogallo was involved in a number of government projects in which the flexible wing served as the basis for experiments in powered and unpowered aircraft, landing cargo and vehicles, and returning spacecraft to earth.
	www.kittyhawk.com.cob-web.org:8888 /rogallo (1480 words)

	History of free flying and paragliding
		After much persuasion Dr. Francis Rogallo’s work was followed up by his employers, the North American Space Administration and in 1948 he filed for a patent for his flexible Delta kite.
		Rogallo’s wing was utilised by several latter day aviation pioneers.
		Very soon, the machines were being made of stronger stuff and as early as 1961 tom Purcell Junior was tow-launched on a Rogallo wing in the USA.
	www.nirvanaadventures.com /learn/history.html (665 words)

	Nasaexplores
		Rogallo was the project engineer and began an extensive research and development effort at NASA Langley Research Center.
		However, the military was interested in using Rogallo's wing for parachuting.
		Rogallo's work in the '40s and '50s began what is now a $50 million annual industry known as hang gliding.
	www.nasaexplores.com /show_912_teacher_st.php?id=030307121819 (656 words)

	Weight shift
		The wing is aerodynamically balanced in pitch because a download is applied at the rear of the wing by a reflexed aerofoil (the trailing edge is bent up – reverse cambered) and/or the outer wing sections are washed out.
		The wing is designed to form an anhedral arc under load thus a PPC usually has a fairly low effective aspect ratio, around 4, but the arc adds to stability because the lift vector at most cell positions will have a lateral component.
		Turning is accomplished by increasing drag on one side of the wing by pushing foot pedals, or pulling steering toggles, which in turn pull down on brake lines attached to the wing trailing edge, the deflection increasing drag on that side and the aircraft yaws and turns.
	www.auf.asn.au /groundschool/umodule10.html (1262 words)

	The Inventer of the modern Hang Glider
		They were only seeing if the wing would fly and having discovered that it would, some of the inadequacies of their briefing became apparent.
		John had built the wing for a stunt; it was intended to do some practice runs and to be flown for the Jacaranda Festival then to be thrown away.
		His experience with flexible bat wings and his childhood fascination with building minimum structured model aircraft, plus a photo of Rogallo’s gliding parachute and his daughter’s request to be swung sideways, was all it took.
	ozreport.com /data/Dickenson/Dickenson.htm (2855 words)

	Vacanze lago, accommodation italy, accommodation bellagio, accommodation lake como, accommodation tuscany, ...
		This wing was a NASA project and was supposed to be used in order to parachute one’s self from space shuttles when landing.
		It was never fully used but it came to the attention of someone who was expirimenting and so it became the model of todays’s hang-gliding.
		Bill Moyes and Bill Bennet were the first to create a kite driven by the movement of the weight of course by using the Rogallo model.
	www.vacanzelago.com /inglese/sport_dettaglio.php?Id=5 (292 words)

	Hang Gliding: Science in the Clouds
		The wing cleaves the air, causing it to pass both over and under the wing's surfaces.
		The leading edge of the wing, the pilot, and other surfaces on the glider impede flight by disturbing the air flowing over the glider.
		This innovation, shaped like the one‑layered wing it replaced, presents a typical, cambered airfoil to the wind, but at high wind or flying speeds the two layers compress, resulting in less drag and greater stability.
	www.richtherrn.com /physics/hangglide.htm (1052 words)

	Cloudstreet May 2004
		The Rogallo's invention found moderate success when it was privately marketed as a toy, but it was the space race which began to blossom in the mid-fifties that caught the imagination of NASA.
		John's Ski Wing, for that is what it was called, was now made entirely out of aluminum, except for the mild steel 'A' frame, part-battened sails out of nylon and the rigging was wire cable.
		John willingly donated the design and constructional information of the Ski Wing to Bill, and in the years between 1967 and 1969 a great deal of collaborative work was carried out in the search for bigger performance.
	www.bchpa.org /newsletter/may04/hghistory.htm (1982 words)

	Rogallo "Sail Wing" Hang Glider (Site not responding. Last check: 2007-10-13)
		Francis Rogallo was a NASA research scientist, who in the 1970's was working on a research project to aid spacecraft during re-entry into the earth's atmosphere.
		In answer to this requirement, Francis Rogallo developed a flexible delta wing kite that could be deployed during re-entry.
		The concept was that the "kite" would fill with air and create a drag, thus reducing the speed of the spacecraft.
	www.wmof.com /rsw.htm (122 words)

	Wings of Rogallo
		The Wings of Rogallo hang gliding club was founded in the mid-1970's to serve the interests of hang gliding pilots in the San Francisco Bay area.
		Since that time, the club has grown to be one of the largest in the country, with a typical roster of 500-600 hang gliding and paragliding pilots.
		Wings of Rogallo administers 3 local sites in addition to providing soaring forecasts, a monthly newsletter, scheduled observers, monthly meetings, flying safaris, and a number of other services to the pilot community.
	www.wingsofrogallo.org (159 words)

	Paresev index: Paresev Photo Gallery Contact Sheet
		In the early 1960s the Rogallo wing seemed an excellent means of returning a spacecraft to Earth.
		The keel and leading edges of the wings were constructed of 2 1/2-inch diameter aluminum tubing.
		The whole wing was not inflatable; the three chambers that acted as spars and supported the wing inflated.
	www.dfrc.nasa.gov /Gallery/Photo/Paresev/HTML/index.html (1340 words)

Try your search on: Qwika (all wikis)