Gradient bigoldern3 - SIV Maneuvers; Asymmetric Collapse; Frontal Collapse; Deep Stall (Sackflug)

7.
made easier by weight shiing to the inner side of the turn. Keep an eye on the tension of
the control line all the me – reduced tension signalises an overload of the glider and danger
of falling into a negave spin.
Recovery: The BiGolden3 recovers from a spiral automacally as soon as the brakes are
released. Release them smoothly and always nish a spiral dive with safe altude!
5.3 SIV maneuvers
No maer what category of canopy you y or what level of cercaon it has, in turbulence
or in strong thermals you may experience all kinds of collapses. The BiGolden3 behaves
comfortably in these situaons, indeed not only does the BiGolden3 deal with extreme ight
regimes automacally, but also oers an above-average degree of safety. Even so, you must
follow all safety rules when pracsing special ight operaons and always pay aenon to
your altude!
Before performing special ight regimes remember:
Pracse reserve deployment on the ground, in a simulator, so that reserve deployment is
automac and ecient.
Rapid altude loss and considerable rotaonal forces may develop during unstable
maneuvers. Take account of these factors in the context of reserve deployment
5.3.1. Asymmetric collapse
Iniaon: Take hold of the outer A-lines on one side and pull them down smoothly. The wing
p will collapse downward forming a characterisc ‘big ear’. The size of the ear depends on
the depth to which the lines are pulled as well as the number of lines pulled down. You can
stop any tendency to turn by applying the opposite brake and by weight shiing onto the
inated side of the canopy.
Recovery: Under normal condions the BiGolden3 will re-inate spontaneously when the
pulled lines are released. The inaon me and loss of altude can be reduced by suitable
acon of the pilot. To stop any tendency to turn o course pull the brake on the inated side
(be careful not to overreact and stall the inated side) and weightshi to that side. If the
collapse remains then reinate the collapsed side by ‘pumping’ the brake on the collapsed
side to quicken the inaon.
5.3.2. Frontal collapse
Iniaon: Take hold at the top of both A-risers and pull them down unl the leading edge
collapses.
Recovery: In normal condions the BiGolden3 recovers normal ight automacally as
soon as the front risers are released. Opening may be assisted by applying both brakes
simultaneously to pump out the deaon.
5.3.3. Deep stall (“sackug”)
Iniaon: Pull both brakes smoothly unl the sink rate increases markedly and the forward
speed reaches almost zero. The pull on the brakes should be controlled so that the canopy
stays inated and doesn’t fall back into a full stall.
Recovery: The BiGolden3 cannot stay in this regime of deep stall ight, so aer the brakes are
released the glider automacally returns to normal ight. If you need to, you may accelerate
the recovery of the glider by one of two methods: either pump both brakes deeply with a fast
release, or pull lightly on the A-risers.
Cauon: If you pull too sharply on the A-risers you may experience a front collapse.