Swing Stratus

Stratus
Role	Paraglider
National origin	Germany
Manufacturer	Swing Flugsportgeräte
Status	Production completed
Unit cost	€3,135 (Stratus 3, 2004)

The Stratus is a German single-place paraglider that was designed and produced by Swing Flugsportgeräte of Landsberied. It is now out of production.^[1]

Design and development

The Stratus was designed as a competition and cross country glider.^[1]

The design progressed through eight generations of models, plus the Core and WRC, each improving on the last. The models are each named for their approximate projected wing area in square metres.^[1]

Operational history

Reviewer Noel Bertrand noted the Status in a 2003 review for its high top speed.^[1]

Variants

Stratus 2

Stratus 2 25: Mid-sized model for medium-weight pilots. Its 13.1 m (43.0 ft) span wing has a wing area of 27 m² (290 sq ft), 87 cells and the aspect ratio is 6.39:1. The take-off weight range is 81 to 110 kg (179 to 243 lb).^[2]
Stratus 2 27: Large-sized model for heavier pilots. Its 13.6 m (44.6 ft) span wing has a wing area of 29 m² (310 sq ft), 87 cells and the aspect ratio is 6.39:1. The take-off weight range is 96 to 125 kg (212 to 276 lb).^[2]

Stratus 4

Stratus 4 22 RC: Small-sized model for lighter pilots. Its 12.2 m (40.0 ft) span wing has a wing area of 26 m² (280 sq ft), 72 cells and the aspect ratio is 6:1. The pilot weight range is 75 to 100 kg (165 to 220 lb). The glider model is AFNOR Competition certified.^[1]
Stratus 4 24 RC: Mid-sized model for medium-weight pilots. Its 12.7 m (41.7 ft) span wing has a wing area of 27.2 m² (293 sq ft), 75 cells and the aspect ratio is 6.2:1. The pilot weight range is 85 to 110 kg (187 to 243 lb). The glider model is AFNOR Competition certified.^[1]
Stratus 4 26 RC: Large-sized model for heavier pilots. Its 13.3 m (43.6 ft) span wing has a wing area of 28.5 m² (307 sq ft), 75 cells and the aspect ratio is 6.2:1. The pilot weight range is 95 to 120 kg (209 to 265 lb). The glider model is AFNOR Competition certified.^[1]

Stratus 5

Stratus 5 21: Extra small-sized model for very lightweight pilots. Its 12.57 m (41.2 ft) span wing has a wing area of 24.7 m² (266 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 76 to 85 kg (168 to 187 lb). The glider model is LTF BE certified.^[3]
Stratus 5 22: Small-sized model for lightweight pilots. Its 12.7 m (41.7 ft) span wing has a wing area of 25.5 m² (274 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 86 to 95 kg (190 to 209 lb). The glider model is LTF BE certified.^[3]
Stratus 5 23: Mid-sized model for medium-weight pilots. Its 12.9 m (42.3 ft) span wing has a wing area of 26.3 m² (283 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 96 to 105 kg (212 to 231 lb). The glider model is LTF BE certified.^[3]
Stratus 5 24: Mid-sized model for medium-weight pilots. Its 13.1 m (43.0 ft) span wing has a wing area of 27 m² (290 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 106 to 115 kg (234 to 254 lb). The glider model is LTF BE certified.^[3]
Stratus 5 25: Large-sized model for heavier pilots. Its 13.4 m (44.0 ft) span wing has a wing area of 28 m² (300 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 116 to 125 kg (256 to 276 lb). The glider model is LTF BE certified.^[3]
Stratus 5 26: Extra large-sized model for much heavier pilots. Its 13.6 m (44.6 ft) span wing has a wing area of 29 m² (310 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 126 to 135 kg (278 to 298 lb). The glider model is LTF BE certified.^[3]

Stratus 6

Stratus 6 20: Extra small-sized model for very lightweight pilots. Its 12.4 m (40.7 ft) span wing has a wing area of 24 m² (260 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 86 to 92 kg (190 to 203 lb). The glider model is LTF BE certified.^[4]
Stratus 6 21: Extra small-sized model for very lightweight pilots. Its 12.57 m (41.2 ft) span wing has a wing area of 24.7 m² (266 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 93 to 98 kg (205 to 216 lb). The glider model is LTF BE certified.^[4]
Stratus 6 22: Small-sized model for lightweight pilots. Its 12.7 m (41.7 ft) span wing has a wing area of 25.5 m² (274 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 99 to 105 kg (218 to 231 lb). The glider model is LTF BE certified.^[4]
Stratus 6 23: Mid-sized model for medium-weight pilots. Its 12.9 m (42.3 ft) span wing has a wing area of 26.3 m² (283 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 106 to 111 kg (234 to 245 lb). The glider model is LTF BE certified.^[4]
Stratus 6 24: Mid-sized model for medium-weight pilots. Its 13.1 m (43.0 ft) span wing has a wing area of 27 m² (290 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 112 to 118 kg (247 to 260 lb). The glider model is LTF BE certified.^[4]
Stratus 6 25: Large-sized model for heavier pilots. Its 13.4 m (44.0 ft) span wing has a wing area of 28 m² (300 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 119 to 125 kg (262 to 276 lb). The glider model is LTF BE certified.^[4]
Stratus 6 26: Extra large-sized model for much heavier pilots. Its 13.6 m (44.6 ft) span wing has a wing area of 29 m² (310 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 126 to 135 kg (278 to 298 lb). The glider model is LTF BE certified.^[4]
Stratus 6 27: Extra large-sized model for much heavier pilots. Its 13.9 m (45.6 ft) span wing has a wing area of 30.4 m² (327 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 136 to 145 kg (300 to 320 lb). The glider model is LTF BE certified.^[4]

Stratus 7

Stratus 7 20: Extra small-sized model for very lightweight pilots. Its 12.1 m (39.7 ft) span wing has a wing area of 23 m² (250 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 75 to 85 kg (165 to 187 lb). The glider model is LTF BE certified.^[5]
Stratus 7 21: Extra small-sized model for very lightweight pilots. Its 12.57 m (41.2 ft) span wing has a wing area of 24.5 m² (264 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 85 to 95 kg (187 to 209 lb). The glider model is LTF BE certified.^[5]
Stratus 7 22: Small-sized model for lightweight pilots. Its 12.7 m (41.7 ft) span wing has a wing area of 25.5 m² (274 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 95 to 105 kg (209 to 231 lb). The glider model is LTF GS 2-3 certified.^[5]
Stratus 7 23: Mid-sized model for medium-weight pilots. Its 12.9 m (42.3 ft) span wing has a wing area of 26.25 m² (282.6 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 105 to 115 kg (231 to 254 lb). The glider model is LTF GS 2-3 certified.^[5]
Stratus 7 24: Mid-sized model for medium-weight pilots. Its 13.1 m (43.0 ft) span wing has a wing area of 27 m² (290 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 115 to 125 kg (254 to 276 lb). The glider model is LTF GS 2-3 certified.^[5]
Stratus 7 25: Large-sized model for heavier pilots. Its 13.4 m (44.0 ft) span wing has a wing area of 28 m² (300 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 125 to 135 kg (276 to 298 lb). The glider model is LTF BE certified.^[5]
Stratus 7 26: Extra large-sized model for much heavier pilots. Its 13.7 m (44.9 ft) span wing has a wing area of 29.25 m² (314.8 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 126 to 135 kg (278 to 298 lb). The glider model is LTF BE certified.^[5]
Stratus 7 27: Extra large-sized model for much heavier pilots. Its 14 m (45.9 ft) span wing has a wing area of 30.5 m² (328 sq ft), 75 cells and the aspect ratio is 6.4:1. The take-off weight range is 135 to 145 kg (298 to 320 lb). The glider model is LTF BE certified.^[5]

Stratus 8

Stratus 8 22: Extra small-sized model for very lightweight pilots. Its 12.1 m (39.7 ft) span wing has a wing area of 26 m² (280 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 81 to 95 kg (179 to 209 lb). The glider model is LTF and CEN EN-D certified.^[6]
Stratus 8 23: Small-sized model for lightweight pilots. Its 12.7 m (41.7 ft) span wing has a wing area of 27 m² (290 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 91 to 105 kg (201 to 231 lb). The glider model is LTF and CEN EN-D certified.^[6]
Stratus 8 24: Mid-sized model for medium-weight pilots. Its 13.1 m (43.0 ft) span wing has a wing area of 27.75 m² (298.7 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 101 to 115 kg (223 to 254 lb). The glider model is LTF and CEN EN-D certified.^[6]
Stratus 8 25: Large-sized model for heavier pilots. Its 13.4 m (44.0 ft) span wing has a wing area of 28.5 m² (307 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 111 to 125 kg (245 to 276 lb). The glider model is LTF and CEN EN-D certified.^[6]
Stratus 8 26: Extra large-sized model for much heavier pilots. Its 13.7 m (44.9 ft) span wing has a wing area of 29.5 m² (318 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 121 to 135 kg (267 to 298 lb). The glider model is not certified.^[6]

Stratus Core

Stratus Core 21: Extra small-sized model for very lightweight pilots. Its 13.6 m (44.6 ft) span wing has a wing area of 23.9 m² (257 sq ft), 77 cells and the aspect ratio is 7.7:1. The take-off weight range is 85 to 92 kg (187 to 203 lb). The glider model is not certified.^[7]
Stratus Core 22: Small-sized model for lightweight pilots. Its 14 m (45.9 ft) span wing has a wing area of 25.5 m² (274 sq ft), 77 cells and the aspect ratio is 7.7:1. The take-off weight range is 93 to 100 kg (205 to 220 lb). The glider model is not certified.^[7]
Stratus Core 23: Mid-sized model for medium-weight pilots. Its 14.3 m (46.9 ft) span wing has a wing area of 26.5 m² (285 sq ft), 77 cells and the aspect ratio is 7.7:1. The take-off weight range is 100 to 107 kg (220 to 236 lb). The glider model is not certified.^[7]
Stratus Core 24: Large-sized model for heavier pilots. Its 14.58 m (47.8 ft) span wing has a wing area of 27.6 m² (297 sq ft), 77 cells and the aspect ratio is 7.7:1. The take-off weight range is 107 to 114 kg (236 to 251 lb). The glider model is not certified.^[7]
Stratus Core 25: Extra large-sized model for much heavier pilots. Its 14.9 m (48.9 ft) span wing has a wing area of 28.3 m² (305 sq ft), 77 cells and the aspect ratio is 7.7:1. The take-off weight range is 116 to 125 kg (256 to 276 lb). The glider model is not certified.^[7]

Stratus WRC

Stratus WRC 20: Extra small-sized model for very lightweight pilots. Its 12.9 m (42.3 ft) span wing has a wing area of 22.5 m² (242 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 82 to 90 kg (181 to 198 lb). The glider model is LTF BE certified.^[8]
Stratus WRC 21: Extra small-sized model for very lightweight pilots. Its 13.5 m (44.3 ft) span wing has a wing area of 24.5 m² (264 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 91 to 97 kg (201 to 214 lb). The glider model is LTF BE certified.^[8]
Stratus WRC 22: Small-sized model for lightweight pilots. Its 13.7 m (44.9 ft) span wing has a wing area of 25.35 m² (272.9 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 98 to 104 kg (216 to 229 lb). The glider model is LTF GS 2-3 certified.^[8]
Stratus WRC 23: Mid-sized model for medium-weight pilots. Its 14 m (45.9 ft) span wing has a wing area of 26.25 m² (282.6 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 105 to 111 kg (231 to 245 lb). The glider model is LTF GS 2-3 certified.^[8]
Stratus WRC 24: Mid-sized model for medium-weight pilots. Its 14.4 m (47.2 ft) span wing has a wing area of 28 m² (300 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 112 to 119 kg (247 to 262 lb). The glider model is LTF GS 2-3 certified.^[8]
Stratus WRC 25: Large-sized model for heavier pilots. Its 14.8 m (48.6 ft) span wing has a wing area of 29.2 m² (314 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 120 to 127 kg (265 to 280 lb). The glider model is LTF BE certified.^[8]
Stratus WRC 26: Extra large-sized model for much heavier pilots. Its 15.02 m (49.3 ft) span wing has a wing area of 30.5 m² (328 sq ft), 75 cells and the aspect ratio is 7.4:1. The take-off weight range is 128 to 135 kg (282 to 298 lb). The glider model is LTF BE certified.^[8]

Specifications (Stratus 4 24 RC)

Data from Bertrand^[1]

General characteristics

Crew: one
Wingspan: 12.7 m (41 ft 8 in)
Wing area: 27.2 m² (293 sq ft)
Aspect ratio: 6.2:1

Performance

Maximum speed: 65 km/h (40 mph; 35 kn)
Rate of sink: 1.0 m/s (200 ft/min)

References

1 2 3 4 5 6 7 8 Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 32. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
1 2 Swing Flugsportgeräte. "Stratus 2". Retrieved 17 November 2016.
1 2 3 4 5 6 Swing Flugsportgeräte. "Stratus 5". Retrieved 17 November 2016.
1 2 3 4 5 6 7 8 Swing Flugsportgeräte. "Stratus 6". Retrieved 17 November 2016.
1 2 3 4 5 6 7 8 Swing Flugsportgeräte. "Stratus 7". Retrieved 17 November 2016.
1 2 3 4 5 Swing Flugsportgeräte. "Stratus 8". Retrieved 17 November 2016.
1 2 3 4 5 Swing Flugsportgeräte. "Stratus Core". Retrieved 17 November 2016.
1 2 3 4 5 6 7 Swing Flugsportgeräte. "Stratus WRC". Retrieved 17 November 2016.

External links

Official website

Swing Flugsportgeräte aircraft

Paragliders	Arcus Astral Cirrus Mistral Stratus

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