Advance Bi Beta
The Advance Bi Beta (sometimes written as BiBeta) is a tandem two-place paraglider, designed and produced by Advance Thun of Thun, Switzerland.[1]
| Bi Beta | |
|---|---|
 | |
| Advance Bi Beta 4 | |
| Role | Paraglider |
| National origin | Switzerland |
| Manufacturer | Advance Thun SA |
| Status | In production (BiBeta 5, 2016) |
| Unit cost |
£2,297 (Bi Beta 2/3, 2004) |
Design and development
The Beta was designed as a two-place flight training glider for introducing new student pilots to the sport.[1]
The Beta has undergone continuous development, starting with the original Beta, through the Beta 2, 3, 4 and 5 models.[1]
Variants
- Bi Beta
- Tandem two place glider, initial model.
- Bi Beta 2/3
- Tandem two place glider sold in the mid-2000s.[1]
- Bi Beta 4
- Tandem two place glider sold in the late-2000s.
- BiBeta 5
- Tandem two place glider sold in the mid-2010s. Its wing has an area of 40.81 m2 (439.3 sq ft) and an aspect ratio of 5.2:1. The pilot weight range is 120 to 225 kg (265 to 496 lb).[2]
Specifications (BiBeta 5)
Data from manufacturer[2]
General characteristics
- Crew: one
- Capacity: one passenger
- Wing area: 40.81 m2 (439.3 sq ft)
- Aspect ratio: 5.2:1
- Empty weight: 8.5 kg (19 lb)
- Gross weight: 225 kg (496 lb)
Performance
- Maximum speed: 47 km/h (29 mph, 25 kn)
- Cruise speed: 41 km/h (25 mph, 22 kn) trim speed
- Maximum glide ratio: 8.5:1
- Rate of sink: 1.2 m/s (240 ft/min)
References
- Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 10. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
- Advance Thun SA. "BiBeta 5". advance.ch. Archived from the original on 16 March 2016. Retrieved 11 March 2016.
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