Setting up the TWIN RS and test-flying
Section 4
19
Speed system (trimmer)
The TWIN RS already has a high basic trim
speed, but this can be increased
considerably by using the additional speed
system. It is particularly useful if there is a
strong headwind, for valley crossings or to
leave a dangerous area quickly, provided
conditions allow it to be used safely.
The B, C- and D-risers can be altered in
length using the trimmer. This decreases the
canopy’s original angle of attack and the
glider’s speed increases.
WARNING
Problems (such as collapses or tucks)
have a more drastic effect with increased
speed than in unaccelerated flight. It is
generally recommended that you do not
use the speed system in turbulent areas
and when flying close to the ground,
because of the increased risk of collapse.
Fig. 6:
TWIN RS risers showing how the trimmers work
