La Mouette Sphinx

The Sphinx is described by the manufacturer as "a beginner glider with a single surface and a floating crossbar".[1][2]

The aircraft is made from aluminum tubing, with the single-surface wing covered in Dacron sailcloth. All models have a nose angle of 120°.[1][2]

Sphinx

Single-place model for a wide range of pilot weights. Its wing area is 15.10 m² (162.5 sq ft), wingspan is 9.9 m (32.5 ft) and the aspect ratio is 5.9:1. Empty weight is 27 kg (60 lb) and the pilot hook-in weight range is 50 to 95 kg (110 to 209 lb). The aircraft can be folded to a package 4.10 m (13.45 ft) in length for ground transportation or storage.[1][2]

Sphinx Bi

Large-size model for two-place flight training and familiarization. Its wing area is 20.0 m² (215 sq ft), wingspan is 10.8 m (35.4 ft) and the aspect ratio is 5.8:1. Empty weight is 34.5 kg (76 lb) and the pilot hook-in weight range is 90 to 190 kg (198 to 419 lb). Swiss SHV certified. The manufacturer describes this model as "one of the most efficient two-seaters on the market, it is conceived to realize cross-country with a passenger."[1][2]

Data from Bertrand and La Mouette[1][2]

General characteristics

• Crew: one
• Wingspan: 9.9 m (32 ft 6 in)
• Wing area: 15.0 m² (161 sq ft)
• Aspect ratio: 5.9:1
• Empty weight: 27 kg (60 lb)
• Gross weight: 117 kg (258 lb)

Performance

• Wing loading: 7.8 kg/m² (1.6 lb/sq ft)

• Official website