16
Released trimmers
- C and D-risers are longer than A and B
A 34,0 cm
B 36,2 cm
C 39,6 cm
D 42,8 cm
Flat span: see specifications.
Projected area: see specifications.
Number of Cells: see specifications.
Risers: see specifications.
Riser adjustment range: refer to Riser Diagram
BI 4 2.
Accelerator (speed system): no accelerator (speed system).
The brakes are adjusted to the correct length. Depending
on pilot preferences, they can be lengthened by up to 5 cm.
Under no circumstances shall they be made shorter than
the original setting.
Line length: check line plan and line table.
Risers length: Refer to Risers Diagram BI 4 2.
Maximum symmetric control travel at maximum weight in flight:
80 cm at closed trimmer, 85 cm opened trimmer.
Adjustable, removable or variable device: none.
4) technical Data
3) Risers Diagram Bi 4 2
Trimmers in neutral position
- all risers have the same length
A 34,0 cm
B 34,0 cm
C 34,0 cm
D 34,0 cm
Tolerance: +/- 0,5 cm
Bi 4 2
42
Flat surface area (m
2
)
42,00
Flat span (m)
14,78
Flat aspect ratio
5,20
Projected surface (m
2
)
36,79
Projected span (m)
12,06
Projected aspect ratio
3,95
Number of cells
54
Weight of the glider (kg)
7,80
Take-off weight (kg)
120-220
Trim speed (km/h)
38-40
Min. speed (km/h)
24-25
Max. speed (km/h)
45-48
Max. glide ratio
>9
Min. sink rate (m/s)
<1,2
Certification
EN/LTF B
Slow
Fast
Main hangpoint
16
