Advance BI BETA 2 Manuel D'utilisation page 39

A compression strap is sewn between each profile/line attachment point, on the D lines. Thus
the space between each cell remains the same, whether the wing is braked or not, making tur-
ning performance uniform and consistent. There are also some compression straps between
some A, B and C lines, between the profiles which receive lines not linked to the same main
line. The turn performance and coordination of the wing are clearly improved and reach new
levels for a biplace wing.
As usual with ADVANCE gliders, the smallest details were important to us, to give the BI BETA 2
a high class finish :
• all of the sewing and stitching is internal. This gives us our smooth perfect finish.
• the leading and trailing edges are reinforced with a Mylar tape to increase rigidity and to
make them less sensitive to the high tension they are subjected to.
• the winglets on the wing tips are important aerodynamic elements, improving turn preci-
sion and diminishing the wing tip turbulence (vortex effect), and also an ADVANCE signature.
• the lines and risers remain in correct position in the quick links thanks to a well designed
plastic clip.
• the braking is optimized thanks to a system with rings that acts on the wing tip first.
• the brake handles receive a reinforcement that makes them easy to take and comfortable.
They are attached on the risers with a magnetic snaplock.
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