Grif Eos

Design and development

The Eos is Grif's glider designed for competition and advanced cross country flying and has been progressively improved since its introduction in 1997. The Eos is built in three sizes designated by its approximate wing area in square meters.

The aircraft is made from aluminum tubing, with the wing covered in Dacron sailcloth. Its wing is cable braced from a single kingpost and has a nose angle of 132°.

Variants

Eos 13

Small sized glider with a wing span of 9.7 m (31.8 ft) and an area of 13.2 m² (142 sq ft). The pilot hook-in weight range is 45 to 70 kg (99 to 154 lb). Can be disassembled down to a size as small as 3.8 m (12.5 ft) in length.

Eos 14

Medium sized glider with a wing span of 10.1 m (33.1 ft) and an area of 14 m² (150 sq ft). The pilot hook-in weight range is 65 to 80 kg (143 to 176 lb). Can be disassembled down to a size as small as 3.99 m (13.1 ft) in length.

Eos 15

Large sized glider with a wing span of 10.5 m (34.4 ft) and an area of 14.7 m² (158 sq ft). The pilot hook-in weight range is 80 to 110 kg (176 to 243 lb). Can be disassembled down to a size as small as 4.08 m (13.4 ft) in length.

Specifications (Eos 14)

Data from Bertrand and Grif

General characteristics

Crew: one

Wingspan: 10.1 m (33 ft 2 in)

Wing area: 14 m² (150 sq ft)

Empty weight: 29.5 kg (65 lb)

Gross weight: 109.5 kg (241 lb)

Performance

Maximum speed: 100 km/h (62 mph; 54 kn)

Cruise speed: 60 km/h (37 mph; 32 kn)

Stall speed: 28 km/h (17 mph; 15 kn)

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