The Dynamic Sport Gravis is a Polish single-place, paraglider that was designed by Wojtek Pierzyński and produced by Dynamic Sport of Kielce. It is now out of production.
Design and development
The Gravis was designed as a beginner glider. The models are each named for their relative size.
Reviewer Noel Bertrand described the Gravis in a 2003 review as priced very competitively.
Gravis M
Medium-sized model for mid-weight pilots. Its 10 m (32.8 ft) span wing has a wing area of 25.5 m
2 (274 sq ft), 30 cells and the aspect ratio is 3.9:1. The pilot weight range is 50 to 70 kg (110 to 154 lb).
Gravis L
Large-sized model for heavier pilots. Its 10.5 m (34.4 ft) span wing has a wing area of 27.5 m
2 (296 sq ft), 32 cells and the aspect ratio is 4.0:1. The pilot weight range is 65 to 85 kg (143 to 187 lb).
Gravis XL
Extra large-sized model for much heavier pilots. Its 11.0 m (36.1 ft) span wing has a wing area of 29.5 m
2 (318 sq ft), 34 cells and the aspect ratio is 4.1:1. The pilot weight range is 80 to 110 kg (176 to 243 lb).
Data from Bertrand
General characteristics
Crew: one
Wingspan: 10.5 m (34 ft 5 in)
Wing area: 27.5 m2 (296 sq ft)
Aspect ratio: 4.0:1
Performance
Maximum speed: 42 km/h (26 mph; 23 kn)
Rate of sink: 1.3 m/s (260 ft/min)
