Windtech Quarx

The Windtech Quarx is a Spanish single-place paraglider that was designed and produced by Windtech Parapentes of Gijón. It is now out of production.[1]

Quarx
Quarx1
Role Paraglider
National origin Spain
Manufacturer Windtech Parapentes
Status Production completed
Produced mid-2000s

Design and development

The aircraft was designed as an advanced intermediate glider and was produced in two generations, the Quarx1 and Quarx2. The models are each named for their approximate wing area in square metres.[1]

The design was optimized for a wide speed range and was marketed to pilots "from the weekend recreational flyer to the competition pilot".[2]

The glider wing is made from Porcher Marine Skytex 44 g/m2 nylon fabric. The rib reinforcements are 310 g/m2 Dacron, with the trailing edge reinforcement fabricated of 175 g/m2 polyester. The lines are all sheathed Kevlar and 1.1 and 1.7 mm in diameter or, optionally, 0.6 and 0.9 mm micro unsheathed lines. The risers are made from 20 mm wide Polyamida strapping.[3]

Reviewer Noel Bertrand noted in a 2003 review that the Quarx2 had been "very successful".[1]

Variants

Quarx1
Quarx1 23
Extra small-sized model for lighter pilots. Its 11.12 m (36.5 ft) span wing has a wing area of 22.86 m2 (246.1 sq ft), 67 cells and the aspect ratio is 5.41:1. The take-off weight range is 60 to 85 kg (132 to 187 lb). The glider model is AFNOR Performance certified.[1][3]
Quarx1 25
Small-sized model for lightweight pilots. Its 11.60 m (38.1 ft) span wing has a wing area of 24.90 m2 (268.0 sq ft), 67 cells and the aspect ratio is 5.41:1. The take-off weight range is 70 to 95 kg (154 to 209 lb). The glider model is Deutscher Hängegleiterverband e.V. (DHV) 2 and AFNOR Performance certified.[3]
Quarx1 27
Medium-sized model for mid-weight pilots. Its 12.09 m (39.7 ft) span wing has a wing area of 27.01 m2 (290.7 sq ft), 67 cells and the aspect ratio is 5.41:1. The take-off weight range is 85 to 105 kg (187 to 231 lb). The glider model is DHV 2 and AFNOR Performance certified.[3]
Quarx1 29
Large-sized model for heavier pilots. Its 12.54 m (41.1 ft) span wing has a wing area of 29.08 m2 (313.0 sq ft), 67 cells and the aspect ratio is 5.41:1. The take-off weight range is 95 to 115 kg (209 to 254 lb). The glider model is DHV 2 and AFNOR Performance certified.[3]
Quarx1 31
Extra large-sized model for much heavier pilots. Its 13.24 m (43.4 ft) span wing has a wing area of 31.06 m2 (334.3 sq ft), 69 cells and the aspect ratio is 5.41:1. The take-off weight range is 100 to 130 kg (220 to 287 lb). The glider model is not certified.[3]

Quarx2
Quarx2 23
Extra small-sized model for lighter pilots. Its 11.18 m (36.7 ft) span wing has a wing area of 22.74 m2 (244.8 sq ft), 67 cells and the aspect ratio is 5.5:1. The take-off weight range is 60 to 75 kg (132 to 165 lb). The glider model is not certified.[4]
Quarx2 25
Small-sized model for lightweight pilots. Its 11.66 m (38.3 ft) span wing has a wing area of 24.75 m2 (266.4 sq ft), 67 cells and the aspect ratio is 5.5:1. The take-off weight range is 70 to 90 kg (154 to 198 lb). The glider model is AFNOR Standard certified.[1][3]
Quarx2 27
Medium-sized model for mid-weight pilots. Its 12.15 m (39.9 ft) span wing has a wing area of 26.85 m2 (289.0 sq ft), 67 cells and the aspect ratio is 5.5:1. The take-off weight range is 85 to 105 kg (187 to 231 lb). The glider model is AFNOR Standard certified.[1][3]
Quarx2 29
Large-sized model for heavier pilots. Its 12.60 m (41.3 ft) span wing has a wing area of 28.92 m2 (311.3 sq ft), 67 cells and the aspect ratio is 5.5:1. The take-off weight range is 100 to 120 kg (220 to 265 lb). The glider model is DHV 2 certified.[1][3]

Specifications (Quarx2 25)
Windtech Quarx1

Data from Bertrand[1] and manufacturer[3]

General characteristics

  • Crew: one
  • Wingspan: 11.66 m (38 ft 3 in)
  • Wing area: 24.75 m2 (266.4 sq ft)
  • Aspect ratio: 5.5:1
  • Gross weight: 90 kg (198 lb)

Performance

  • Maximum speed: 52 km/h (32 mph, 28 kn)
  • Cruise speed: 37.5 km/h (23.3 mph, 20.2 kn)
  • Stall speed: 22 km/h (14 mph, 12 kn)

References
  1. Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 36. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
  2. Windtech Parapentes (2016). "Quarx1". Retrieved 24 November 2016.
  3. Windtech Parapentes (2016). "Quarx1 technical data". Retrieved 24 November 2016.
  4. Windtech Parapentes (2016). "Quarx2 technical data". Retrieved 24 November 2016.
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