The Ellipse Twist is a French

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 ...

designed and produced by

La société Ellipse Ellipse is a French aircraft manufacturer, located in Étuz. The company specializes in building hang gliders and ultralight trikes.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 43. Pagefast Ltd, Lanc ...

Étuz Étuz is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France. See also *Communes of the Haute-Saône department The following is a list of the 539 communes in the French department of Haute-S ...

.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 43. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X

Design and development

The Twist was designed as a beginner hang glider and is built in three sizes. Typical of the series, the Twist 15 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 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. Its span wing, uses a single tube-style

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 ...

and upper

flying wires In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...

. The nose angle is 120° and the aspect ratio is 6.5:1. The model number indicates the approximate wing area in square metres.

Variants

;Twist 13 :Small sized model with a wing area of , wing span of , aspect ratio of 6.5:1 and a pilot hook-in weight range of . ;Twist 15 :Medium sized model with a wing area of , wing span of , aspect ratio of 6.5:1 and a pilot hook-in weight range of . ;Twist 16 :Medium sized model with a wing area of , wing span of , aspect ratio of 6.2:1 and a pilot hook-in weight range of .

Specifications (Twist 15)

References

External links

* {{Ellipse aircraft Hang gliders