Advance Sigma
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The Advance Sigma is a series of
Swiss Swiss may refer to: * the adjectival form of Switzerland * Swiss people Places * Swiss, Missouri * Swiss, North Carolina *Swiss, West Virginia * Swiss, Wisconsin Other uses *Swiss-system tournament, in various games and sports *Swiss Internation ...
single-place,
paraglider Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched glider aircraft with no rigid primary structure. The pilot sits in a harness or lies supine in a cocoon-like 'po ...
s, designed and produced by
Advance Thun Advance Thun SA is a Swiss aircraft manufacturer based in Thun. The company specializes in the design and manufacture of paragliders, harnesses, paragliding carrying bags and paragliding clothing.Bertrand, Noel; Rene Coulon; et al: ''World Directo ...
of
Thun , neighboring_municipalities= Amsoldingen, Heiligenschwendi, Heimberg, Hilterfingen, Homberg, Schwendibach, Spiez, Steffisburg, Thierachern, Uetendorf, Zwieselberg , twintown = , website = www.thun.ch Thun (french: Thoune) ...
.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 10. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X


Design and development

The Sigma was designed as a cross country intermediate glider. The design has progressed through nine generations of models, the Sigma, Sigma 2, 3, 4, 5, 6, 7, 8 and 9, each improving on the last. The models are each named for their rough wing area in square metres.


Variants

;Sigma 5 23 :Small-sized model for lighter pilots. Its span wing has wing area of , 58 cells and the aspect ratio is 5.20:1. The pilot weight range is . The glider model is DHV 2 certified. ;Sigma 5 26 :Mid-sized model for medium-weight pilots. Its span wing has wing area of , 58 cells and the aspect ratio is 5.20:1. The pilot weight range is . The glider model is DHV 2 certified. ;Sigma 5 28 :Large-sized model for heavier pilots. Its span wing has wing area of , 58 cells and the aspect ratio is 5.20:1. The pilot weight range is . The glider model is DHV 2 certified. ;Sigma 5 31 :Extra large-sized model for heavier pilots. Its span wing has wing area of , 58 cells and the aspect ratio is 5.20:1. The pilot weight range is . The glider model is DHV 2 certified. ;Sigma 6 22 :Small-sized model for lighter pilots. Its span wing has wing area of , 61 cells and the aspect ratio is 5.48:1. The glider take-off weight range is . The
glide ratio In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under give ...
is 9.2:1. ;Sigma 6 26 :Mid-sized model for medium-weight pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.48:1. The glider take-off weight range is . The glide ratio is 9.2:1. ;Sigma 6 28 :Large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.48:1. The glider take-off weight range is . The glide ratio is 9.2:1. ;Sigma 6 31 :Extra large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.48:1. The glider take-off weight range is . The glide ratio is 9.2:1. ;Sigma 7 23 :Small-sized model for lighter pilots. Its span wing has wing area of , 61 cells and the aspect ratio is 5.65:1. The glider take-off weight range is . The glider model is EN/LTF 2 certified. The
glide ratio In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under give ...
is 9.2:1. ;Sigma 7 26 :Mid-sized model for medium-weight pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.65:1. The glider take-off weight range is . The glider model is EN/LTF 2 certified. The glide ratio is 9.2:1. ;Sigma 7 28 :Large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.65:1. The glider take-off weight range is . The glider model is EN/LTF 2 certified. The glide ratio is 9.2:1. ;Sigma 7 31 :Extra large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 5.65:1. The glider take-off weight range is . The glider model is EN/LTF 2 certified. The glide ratio is 9.2:1. ;Sigma 8 23 :Small-sized model for lighter pilots. Its span wing has wing area of , 61 cells and the aspect ratio is 6.0:1. The glider take-off weight range is . The glider model is EN/LTF certified. The
glide ratio In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under give ...
is 10:1. ;Sigma 8 25 :Mid-sized model for medium-weight pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 6.0:1. The glider take-off weight range is . The glider model is EN/LTF certified. The glide ratio is 10:1. ;Sigma 8 27 :Large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 6.0:1. The glider take-off weight range is . The glider model is EN/LTF certified. The glide ratio is 10:1. ;Sigma 8 29 :Extra large-sized model for heavier pilots. Its span wing has a wing area of , 61 cells and the aspect ratio is 6.0:1. The glider take-off weight range is . The glider model is EN/LTF certified. The glide ratio is 10:1. ;Sigma 9 23 :Small-sized model for lighter pilots. Its span wing has a wing area of , 59 cells and the aspect ratio is 5.80:1. The glider take-off weight range is . The glider model is EN/LTF C certified. ;Sigma 9 25 :Mid-sized model for medium-weight pilots. Its span wing has a wing area of , 59 cells and the aspect ratio is 5.80:1. The glider take-off weight range is . The glider model is EN/LTF C certified. ;Sigma 9 27 :Large-sized model for heavier pilots. Its span wing has a wing area of , 59 cells and the aspect ratio is 5.80:1. The glider take-off weight range is . The glider model is EN/LTF C certified. ;Sigma 9 29 :Extra large-sized model for heavier pilots. Its span wing has a wing area of , 59 cells and the aspect ratio is 5.80:1. The glider take-off weight range is . The glider model is EN/LTF C certified.


Specifications (Sigma 5 26)


References


External links

* {{Advance aircraft
Sigma Sigma (; uppercase Σ, lowercase σ, lowercase in word-final position ς; grc-gre, σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as ...
Paragliders