The Wills Wing Ultra Sport (sometimes UltraSport) is an American

high-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing co ...

, single-place,

hang glider 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. Most modern hang gliders are made of an aluminium alloy or composite frame cover ...

that was designed and produced by

Wills Wing Wills Wing, Inc. (legally Sport Kites, Inc) is an American aircraft manufacturer based in Orange, California and previously located in Santa Ana, California. The company specializes in the design and manufacture of hang gliders in the form of r ...

of Santa Ana, California, introduced in 1996. Now out of production, when it was available the aircraft was supplied complete and ready-to-fly.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 50. Pagefast Ltd, Lancaster OK, 2003.

Design and development

The Ultra Sport was conceived as a recreational glider, capable of making cross country flights. It is made from

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...

tubing, with the double-surface wing covered in

Dacron Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foo ...

sailcloth. The three models are each named for their wing area in square feet.

Variants

;Ultra Sport 135 :Small-sized model for lighter pilots. Its span wing is cable braced from a single

kingpost A king post (or king-post or kingpost) is a central vertical post used in architectural or bridge designs, working in tension to support a beam below from a truss apex above (whereas a crown post, though visually similar, supports items above f ...

. The nose angle is 127° and wing area is . The glider model was HGMA certified in 1998. ;Ultra Sport 147 :Mid-sized model for medium-weight pilots. Its span wing is cable braced from a single kingpost. The nose angle is 127°, wing area is and the aspect ratio is 7.3:1. The pilot hook-in weight range is . The glider model was HGMA certified in 1996 and is also DHV2 certified. ;Ultra Sport 166 :Large-sized model for heavier pilots. Its span wing is cable braced from a single kingpost. The nose angle is 127°, wing area is and the aspect ratio is 7.0:1. The pilot hook-in weight range is . The glider model was HGMA certified in 1997 and is also DHV2 certified.

Specifications (Ultra Sport 147)

References

External links

Photo of an Ultra SportOfficial Ultra Sport Owner's Manual
{{Wills Wing aircraft Ultra Sport Hang gliders