Windtech Tonic

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

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

Design and development

The Tonic was designed as a beginner to intermediate glider for new pilots. The models are each named for their approximate wing area in square metres.[1]

The glider was designed to be easy and smooth to inflate and launch and to fly with a high degree of stability and resistance to collapses.[2]

The glider wing is made from Porcher Marine Skytex 44 g/m2 nylon fabric. The rib reinforcements are 180 g/m2 Dacron, with the trailing edge reinforcement fabricated of 175 g/m2 polyester. The lines are all sheathed Kevlar of 1.1 and 1.7 mm diameter. The risers are made from 20 mm wide Polyamida strapping.[3]

Variants
Tonic 25
Extra small-sized model for lighter pilots. Its 10.8 m (35.4 ft) span wing has a wing area of 24.6 m2 (265 sq ft), 36 cells and the aspect ratio is 4.7:1. The take-off weight range is 60 to 75 kg (132 to 165 lb). The glider model is AFNOR Standard certified.[3]
Tonic 27
Small-sized model for lighter pilots. Its 11.2 m (36.7 ft) span wing has a wing area of 26.5 m2 (285 sq ft), 36 cells and the aspect ratio is 4.7:1. The take-off weight range is 70 to 85 kg (154 to 187 lb). The glider model is Deutscher Hängegleiterverband e.V. (DHV) 1 certified.[1][3]
Tonic 29
Mid-sized model for medium-weight pilots. Its 11.6 m (38.1 ft) span wing has a wing area of 28.6 m2 (308 sq ft), 36 cells and the aspect ratio is 4.7:1. The take-off weight range is 80 to 100 kg (176 to 220 lb). The glider model is DHV 1 certified.[1][3]
Tonic 32
Large-sized model for heavier pilots. Its 12.1 m (39.7 ft) span wing has a wing area of 31.4 m2 (338 sq ft), 36 cells and the aspect ratio is 4.7:1. The take-off weight range is 95 to 125 kg (209 to 276 lb). The glider model is DHV 1 certified.[1][3]

Specifications (Tonic 27)

Data from Bertrand[1] and manufacturer[3]

General characteristics

  • Crew: one
  • Wingspan: 11.2 m (36 ft 9 in)
  • Wing area: 26.5 m2 (285 sq ft)
  • Aspect ratio: 4.7:1
  • Gross weight: 85 kg (187 lb)

Performance

  • Maximum speed: 48 km/h (30 mph, 26 kn)
  • Cruise speed: 36 km/h (22 mph, 19 kn)
  • Stall speed: 21 km/h (13 mph, 11 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). "Tonic". Retrieved 24 November 2016.
  3. Windtech Parapentes (2016). "Tonic technical data". Retrieved 24 November 2016.
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