Advance Bi Beta
# 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.

## Design and development

The Beta was designed as a two-place flight training glider for introducing new student pilots to the sport.

The Beta has undergone continuous development, starting with the original Beta, through the Beta 2, 3, 4 and 5 models.

## Variants

### Bi Beta

    Tandem two place glider, initial model.

### Bi Beta 2/3

    Tandem two place glider sold in the mid-2000s.

### 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 $m^2$ (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).

## Specifications (BiBeta 5)

Data from manufacturer

General characteristics

* Crew: one
* Capacity: one passenger
* Wing area: 40.81 $m^2$ (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)
