SOL paragliders Prymus 5, Руководство пользователя

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Parachutal
Full-stall
If the glider is wet or the regular inspections weren’t made, the risk of a
parachutal flight exists.
This paraglider does not have parachutal flight tendencies and recovers on its own from
an intentional parachutal flight induced by braking commands. In case of a parachutal
flight after an extreme situation loose the brakes and use the accelerator. Before using
the brakes again make sure that the glider flies normally.
The Prymus 5 has a long way on the brakes before he enters a full-stall. A full-stall
happens if the brakes are pulled symmetrically and excessively downwards. Normally
the glider starts to fly backwards and deforms to a horseshoe, the opening on the front.
Before terminating the canopy must be stabilized. Afterwards both brake lines have to
be loosened symmetrically and slowly, to avoid that the canopy kicks forward.
Negative spiral
The Prymus 5 has a long way on the brakes and difficulties to enter in a negative spiral.
But if one of the brakes is extremely pulled downwards it can happen.
The side with the brake pulled down enters in a stall, while the other side maintains open.
In this case the brake must be loosened at once, before the glider turns 180º, in order
to get the glider back to normal flight. Depending on the situation in which the brake is
loosened, the canopy can react quite dynamic and kick forward provoking a collapse.