Finsterwalder Funfex

Design and development

The Funfex and the smaller sized Airfex are intended as man-packable double surface intermediate gliders for recreational cross country flying. As such the Funfex weighs only 24 kg (52.9 lb) and can be reduced to a folded size of 1.95 m (6.4 ft)

The aircraft is made from aluminum tubing, with the wing covered in Dacron sailcloth. Its 9.4 m (30.8 ft) span wing is cable braced from a single kingpost. The nose angle is 120° and the aspect ratio is 5.5:1.

Variants

Airfex

Medium sized glider with wing area of 13.8 m² (149 sq ft) and a pilot hook-in weight of 45 to 75 kg (99 to 165 lb). DHV certified as Class 1-2.

Funfex

Large sized glider with wing area of 16 m² (170 sq ft) and a pilot hook-in weight of 70 to 105 kg (154 to 231 lb). DHV certified as Class 2.

Specifications (Funfex)

Data from Bertrand

General characteristics

Crew: one

Wingspan: 9.4 m (30 ft 10 in)

Wing area: 16 m² (170 sq ft)

Aspect ratio: 5.5:1

Empty weight: 24 kg (53 lb)

Gross weight: 136 kg (300 lb)

Performance

Stall speed: 25 km/h (16 mph; 13 kn)

Never exceed speed: 80 km/h (50 mph; 43 kn)

Maximum glide ratio: 10.5:1

Wing loading: 8.5 kg/m² (1.7 lb/sq ft)