Hang gliding

hang gliderhang glidershang-glidinghang-gliderhangglidingHang-glidersgliderTriangle control framehang glideDeltaplane
Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider.wikipedia
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Glider (aircraft)

gliderglidersglider aircraft
Starting in the 1880s technical and scientific advancements were made that led to the first truly practical gliders, such as those developed in the United States by John Joseph Montgomery.
Gliders are principally used for the air sports of gliding, hang gliding and paragliding.

Lift (soaring)

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By the 1980s this ratio significantly improved, and since then pilots can soar for hours, gain thousands of feet of altitude in thermal updrafts, perform aerobatics, and glide cross-country for hundreds of kilometers.
The three air sports that use soaring flight are: gliding, hang gliding and paragliding.

Otto Lilienthal

LilienthalLilienthal, OttoGerman glider experiments
Otto Lilienthal built controllable gliders in the 1890s, with which he could ridge soar.
The A-frame of Percy Pilcher and Lilienthal echoes in today's control frame for hang gliders and ultralight aircraft.

Fédération Aéronautique Internationale

FAIFederation Aeronautique InternationaleInternational Aeronautical Federation
The Fédération Aéronautique Internationale and national airspace governing organisations control some regulatory aspects of hang gliding.

Aircraft

heavier-than-airheavier-than-air flightheavier-than-air aircraft
Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider.
Common examples of gliders are sailplanes, hang gliders and paragliders.

Air sports

air sportaeroclub sectionrecreational
Hang gliding is an air sport or recreational activity in which a pilot flies a light, non-motorised foot-launched heavier-than-air aircraft called a hang glider.

Francis Rogallo

RogalloFrancis M. RogalloFrancis
On November 23, 1948, Francis Rogallo and Gertrude Rogallo applied for a kite patent for a fully flexible kited wing with approved claims for its stiffenings and gliding uses; the flexible wing or Rogallo wing, which in 1957 the American space agency NASA began testing in various flexible and semi-rigid configurations in order to use it as a recovery system for the Gemini space capsules.
Francis Melvin Rogallo (January 27, 1912 – September 1, 2009) was an American aeronautical engineer inventor born in Sanger, California, U.S.; he is credited with the invention of the Rogallo wing, or "flexible wing", a precursor to the modern hang glider and paraglider.

Powered hang glider

powered hang glidingFoot-launched powered hang glidersFoot-launched powered hang glider
Launch techniques include launching from a hill on foot, tow-launching from a ground-based tow system, aerotowing (behind a powered aircraft), powered harnesses, and being towed up by a boat.
A foot-launched powered hang glider (FLPHG), also called powered harness, nanolight, or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration.

Ultralight trike

ultralight trikestrikemicrolight
With the growing use of the system, other launch methods were incorporated, static winch and towing behind an ultralight trike or an ultralight airplane.
An ultralight trike is a type of powered hang glider where flight control is by weight-shift.

Cloud suck

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Training programs have been developed for today's pilot with emphasis on flight within safe limits, as well as the discipline to cease flying when weather conditions are unfavorable, for example: excess wind or risk cloud suck.
Cloud suck is a phenomenon commonly known in paragliding, hang gliding, and sailplane flying where pilots experience significant lift due to a thermal under the base of cumulus clouds, especially towering cumulus and cumulonimbus.

Kite

kiteskite flyingkite-flying
On November 23, 1948, Francis Rogallo and Gertrude Rogallo applied for a kite patent for a fully flexible kited wing with approved claims for its stiffenings and gliding uses; the flexible wing or Rogallo wing, which in 1957 the American space agency NASA began testing in various flexible and semi-rigid configurations in order to use it as a recovery system for the Gemini space capsules.
The Rogallo wing was adapted for stunt kites and hang gliding and the parafoil was adapted for parachuting and paragliding.

Wing

wingsaircraft wingWing area
Most modern hang gliders are made of an aluminium alloy or composite frame covered with synthetic sailcloth to form a wing.

Cross-country flying

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Selecting the sources of rising air currents is the skill that has to be mastered if the pilot wants to achieve flying long distances, known as cross-country (XC).
Cross-country flying ( XC flying) is a type of distance flying which is performed in a powered aircraft on legs over a given distance and in operations between two points using navigational techniques; and an unpowered aircraft (paraglider, hang glider or sailplane) by using upcurrents to gain altitude for extended flying time.

List of aviation pioneers

aviation pioneeraviation pioneerspioneer of aviation
His rigorously documented work influenced later designers, making Lilienthal one of the most influential early aviation pioneers.

British Hang Gliding and Paragliding Association

BHPA
Modern hang gliders are very sturdy when constructed to Hang Glider Manufacturers Association, BHPA, Deutscher Hängegleiterverband, or other certified standards using modern materials.
The British Hang Gliding and Paragliding Association (BHPA), based in Leicester, is the governing body in the UK for hang gliding and paragliding.

Rogallo wing

ParawingRogallo flexible wingRogallo Parawing kite
On November 23, 1948, Francis Rogallo and Gertrude Rogallo applied for a kite patent for a fully flexible kited wing with approved claims for its stiffenings and gliding uses; the flexible wing or Rogallo wing, which in 1957 the American space agency NASA began testing in various flexible and semi-rigid configurations in order to use it as a recovery system for the Gemini space capsules.
The Rogallo wing is most often seen in toy kites, but has been used to construct spacecraft parachutes, sport parachutes, ultralight powered aircraft like the trike and hang gliders.

Ridge lift

slope soaringridge soaringridge
Otto Lilienthal built controllable gliders in the 1890s, with which he could ridge soar.
If the wind is strong enough, the ridge lift provides enough upward force for gliders, hang gliders, paragliders and birds to stay airborne for long periods or travel great distances by 'slope soaring'.

Gliding

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Early hang gliders had a low lift-to-drag ratio, so pilots were restricted to gliding down small hills.
Unlike hang gliders and paragliders, gliders surround the pilots with strong structures and have undercarriages to absorb impacts when landing.

Gliding flight

glidingglideglide ratio
One measure of performance is the glide ratio.
The types of aircraft that are used for sport and recreation are classified as gliders (sailplanes), hang gliders and paragliders.

Gertrude Rogallo

Gertrude
On November 23, 1948, Francis Rogallo and Gertrude Rogallo applied for a kite patent for a fully flexible kited wing with approved claims for its stiffenings and gliding uses; the flexible wing or Rogallo wing, which in 1957 the American space agency NASA began testing in various flexible and semi-rigid configurations in order to use it as a recovery system for the Gemini space capsules.
Rogallo wings are commonly used today in kites, hang gliders and powered hang gliders.

Judy Leden

three-times world champion
Judy Leden (GBR) holds the altitude record for a balloon-launched hang glider: 11,800 m (38,800 ft) at Wadi Rum, Jordan on October 25, 1994.
Judy Leden, MBE (born 1959) is a British hang glider and paraglider pilot.

John Bird (scientist)

John Bird
Bird broke the world altitude record for hang gliding by piloting a hang glider from a helium balloon at 35,000’.

George A. Spratt

Spratt
It was a major part of the now common design of hang gliders by George A. Spratt from 1929.
Triangle control frame

Lee wave

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The rotor turbulence may be harmful for other small aircraft such as balloons, hang gliders and paragliders.