Paratech P Bi4
The Paratech P Bi4 is a Swiss two-place paraglider that was designed by Uwe Bernholz and produced by Paratech of Appenzell. It is now out of production.[1]
| P Bi4 | |
|---|---|
| Role | Paraglider |
| National origin | Switzerland |
| Manufacturer | Paratech |
| Designer | Uwe Bernholz |
| Status | Production completed |
Design and development
The P Bi4 was designed as a tandem glider for flight training and as such was referred to as the Bi4, indicating "bi-place" or two seater.[1]
The aircraft's 15.20 m (49.9 ft) span wing has 58 cells, a wing area of 42 m2 (450 sq ft) and an aspect ratio of 5.5:1. The crew weight range is 140 to 225 kg (309 to 496 lb). The glider is DHV 1-2Bipl certified.[1]
The wing design includes "Permanent Air Flow", a feature by which the cell openings are made smaller to improve the leading edge profile.[1]
Specifications (P Bi4)
Data from Bertrand[1]
General characteristics
- Crew: one
- Wingspan: 15.20 m (49 ft 10 in)
- Wing area: 42 m2 (450 sq ft)
- Aspect ratio: 5.5:1
Performance
- Maximum speed: 44 km/h (27 mph, 24 kn)
References
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