ALPHA 4

23

25

28

31

Flat surface

m2

23.66

25.59

28.47

31.79

Projected surface

m2

20.27

21.92

24.39

27.23

Span

m

10.60

11.03

11.63

12.29

Projected span

m

8.45

8.79

9.27

9.80

Aspect ratio

4.75

Projected aspect ratio

3.52

Max chord

m

2.78

2.89

3.05

3.23

Min chord

m

0.63

0.65

0.69

0.73

Take off weight **

kg

55 - 75

65 - 88

78 - 106

96 - 130

Glider weight

kg

5.3

5.6

6.1

6.6

Number of cells

39

Number of risers

4+1

4+1

4+1

4+1

Risers length

cm

44

46

48

50

Maxi length of the lines with the risers

m

6.74

7.01

7.39

7.81

Trimmer

no

Symmetric control travel

cm

> 55

> 60

> 65

> 65

Min speed *

km/h

22 +/- 1

Trim speed *

km/h

38 +/- 1

Max. speed *

km/h

47 +/- 2

Min. sink rate *

m/s

1.15

Travel of the accelerator

cm

38.4

39.9

42.0

44.4

Best glide *

8.3 +/- 0.1

Motorised flight

-

DULV ***

DULV ***

DULV ***

Certification

DHV 1/ EN