Quasar Relief

The Quasar Relief is a series of Czech high-wing, single-place, topless, competitions hang gliders that was designed and produced by Quasar of Dolní Bečva. The aircraft is supplied complete and ready-to-fly.[1]

Relief
Role Hang glider
National origin Czech Republic
Manufacturer Quasar
Status Production completed
Produced 2000s to present
Unit cost
€4,265 (Relief 15, 2004)

Design and development

The Relief is made from aluminum tubing, with the cross tube and battens made from carbon fibre and the double-surface wing covered in Dacron sailcloth. The nose angle for all models is 132°. The models are each named for their rough wing area in square metres.[1]

The design is "topless", that is lacking a kingpost and upper rigging, instead using a reinforced cross tube for rigidity.[1]

Some models, designated with an "RX" suffix, have a small horizontal stabilizer attached to the keel tube that can be deployed 90° to act as a speed brake for landing.[1]

Variants
Relief 13
Small-sized model for lighter pilots. Its 10.4 m (34.1 ft) span wing has a wing area of 12.8 m2 (138 sq ft) and an aspect ratio of 8:4:1.[1]
Relief 13 RX
Small-sized model for lighter pilots. Its 10.2 m (33.5 ft) span wing has a wing area of 13 m2 (140 sq ft) and an aspect ratio of 8.0:1. The pilot hook-in weight range is 55 to 90 kg (121 to 198 lb). This model has a small horizontal stabilizer attached to the keel tube that can be deployed 90° to act as a speed brake.[1]
Relief 14
Mid-sized model for mid-weight pilots. Its 10.4 m (34.1 ft) span wing has a wing area of 13 m2 (140 sq ft) and an aspect ratio of 7.7:1. The pilot hook-in weight range is 60 to 100 kg (132 to 220 lb).[1]
Relief 14 RX
Mid-sized model for mid-weight pilots. Identical to the 14, except this model has a small horizontal stabilizer attached to the keel tube that can be deployed 90° to act as a speed brake.[1]
Relief 15
Large-sized model for heavy-weight pilots. Its 10.6 m (34.8 ft) span wing has a wing area of 15.5 m2 (167 sq ft) and an aspect ratio of 7.2:1. The pilot hook-in weight range is 76 to 120 kg (168 to 265 lb).[1]

Specifications (Relief 13)

Data from Bertrand[1]

General characteristics

  • Crew: one
  • Wingspan: 10.4 m (34 ft 1 in)
  • Wing area: 12.8 m2 (138 sq ft)
  • Aspect ratio: 8.4:1

References
  1. Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 47. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
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