Swing HYBRID SPORT, Руководство пользователя

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32 Section 7 Dangerous situations and extreme flying
Deep stall
Mini gliders can go into a deep stall for a
variety of reasons: brake lines too short (no
slack), old or damaged glider material which
therefore has increased level of
permeability, altered trim/line length and
changes to profile characteristics caused by
moisture (e.g. flying in rain). There is a
particular tendency to stall if the wing-
loading is too low.
In a deep stall, the airflow from the front
reduces and the glider goes into a stable
flight attitude without forward momentum.
The mini wing sinks almost vertically at 4-
5m/s and there is noticeably less flight
noise.
Recovery
Immediately open the trimmers fully to end
the full stall.
With trimmers open, remain in an upright
position and push the A- and B-risers in the
direction you are flying, so as to shorten
them by 5-10cm, or use the speed bar.
Full stall
The full stall happens when the mini wing
partially deflates and loses its arched shape.
It is triggered when the maximum possible
angle of attack is exceeded. The most
common cause is going below the minimum
speed or flying near the minimum speed
combined with the effects of turbulence.
In full stall, the mini wing loses its forwards
travel, surges backwards and deflates. If the
brakes are held down, the canopy comes up
over the pilot again. The result is an almost
vertical descent with a sink rate of approx.
8m/s.
Recovery
Fully release the brakes within 3 seconds
(count 21, 22, 23). If the brakes are
released too slowly, the mini wing may spin.
The spin stops automatically when the
brakes are released completely.
DANGER
If the canopy has gone back during the
full stall, the brakes must be held down,
otherwise the canopy may surge
forward and, in an extreme case, end
up underneath the pilot. Hold the
brakes down until the canopy is above
you again.
Spin
The spin is a stable flight attitude, in which
one side of the mini wing stalls, while the
other side continues to fly forward. The mini
wing rotates around its stalled side.
Recovery
To recover from the spin, the pilot must
quickly release the brakes. The stalled side
of the wing will then pick up speed.
Depending on recovery and the dynamic of
the circular motion, one side of the canopy
may shoot forwards and suffer an
asymmetric collapse. If the pilot suspects
that the glider has unintentionally been put
into a spin, the brake which has been pulled
down too far must be released immediately.
WARNING
After you have landed, the glider and
the length of the lines must be checked
before the wing is next flown.
WARNING
If the spin does not stop, check whether
you have released the brakes fully!