MAC PARA Pasha 7, User Manual

Page: 20 / 36

20
Symmetric collapse (Front stall)
A negative angle of attack can also cause central part or all of the leading edge of the
glider to collapse. Symmetric (frontal) collapses will normally re-open without pilot input.
The paraglider will pitch forward and then regain speed. Assist this process if necessary
with a symmetric application of the brakes. Take care not to apply too much brake for too
long as this may stall the wing.
In the case of extreme front stalls across the entire wing chord, the wing tips may move
forward making the glider form a U-shape. Again, recovery is by light symmetrical braking
on both sides. Take care that both wingtips return to normal flight evenly.
If you get a collapse while in accelerated flight, release the speed bar immediately. Then
apply the normal procedure for unaccelerated asymmetric collapse.
Attention! It wasn`t necessary to feature the Pasha 7 with special folding lines to perform
the manoeuver. But nevertheless the accelerated symmetric collapse must be performed
correctly in a proper way and this preferably by safety trainings. It is important to take the
two outermost A-lines together (approx. 10cm above the quick links) firmly in your hands.
Do not use the central A-lines! At the beginning of pulling the move (in the direction of
pilot`s body) must be slow and after the move of approx. 5 cm, it can only be strongly
pulled down. By this way the leading edge collapses properly over its span. In case you
use all A-risers for this manoeuvre and you do it without initial pulling it may happen that
the leading edge collapses over all depth in the centre of the wing. The result may be an
asymmetric opening and the risk of a big cravat increases!
Parachutal stall (deep stall)
Paragliders can go into a deep stall for some reasons: brake lines too short (no slack),
altered trim/line length and changes to profile characteristics caused by moisture (e.g.
flying in rain). Paragliders have a particular tendency to stall if the wing-loading is too low.
An out-of-trim glider, caused by changes in line lengths due to prolonged use, may also
have a higher deep stall tendency.
In a deep stall, the airflow from the front reduces and the glider goes into a stable flight
attitude without forward momentum. The paraglider sinks almost vertically at 4-5 m/s and
there is noticeably less flight noise.
The Pasha 7 has no tendency to get into a deep stall. Should this nevertheless occur,
make sure your brakes are fully released, the glider will then normally recover on its own
immediately. If the glider still doesn’t recover either put your hands on the A-risers and
push forward or use the speed bar to accelerate to get the wing into a normal flying
position. After you have landed, the glider and the length of the lines must be checked.
Flying in strong turbulence or exiting a deflation with too much brake applied can cause
this situation. A wet glider also has a higher deep stall tendency, and you should do
everything you can to avoid flying in the rain. If you do pass through some rain never make
big ears! Apply speed bar until you are confident that the wing has dried out.
Never apply the brakes, including any wraps taken, in a deep stall.
Attention! If brakes are applied while in a parachutal stall, the glider may suddenly enter a
full stall!