SOL paragliders ATMUS 2, Paraglider'S Manual, Page: 10 / 23

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• SOL does not recommend combining of ears and spirals, as this may exceed the allowable
load.
• Don´t push the ears simultaneously, push one each time.
• Never fly with ears simultaneously using the speed bar, this might cause a great collapse.
POSITIVE SPIRAL
Spirals carry a high rate of descent. Therefore high accelerations (G) make it impossible to hold
them for an extended period of time. The spiral force may cause the pilot to faint and to lose
flying controls, and crash. Furthermore, they will exert a lot of force and affect the pilot and
equipment alike.
The pilot should never exercise this maneuver in turbulences or with wide lateral angles. In
windy conditions, the pilot must be aware of oscillations during the maneuver.
When the pilot activates just one brake, slowly and progressively, the paraglider inclines
sideways in a sharp angle and enters a steep and quick turn, which may become a positive
spiral.
During a spiral the rotation radius can be controlled by the greatest or smallest force applied
to the inside brake.
In order to come out of it, the pilot must release the brake slowly and shift his/her weight
lightly to the outside of the turn. A sudden exit may result in an exaggerated momentum
forward of the canopy, and collapsing it. For this reason, on exiting the last turn, the inside
brake of a given turn must be softly applied again.
In case the canopy collapses during this process, the spiral must be counter-acted, as the
active canopy area will be reduced.
Warning
To induce a ‘B-Stall’, the pilot must pull the risers ‘B’ simultaneously, between 15 and 20 cm.
There will be a shift of air flow on the outer layer and the canopy will initiate a parachutal
phase.
• Never combine ears with spirals. The canopy active area reduction plus the ‘G’ force, by
the centrifugal effect, may result in line and/or canopy damage.
• Exiting of any spiral at great speeds must be piloted.
• This maneuver requires high altitudes (at least 600 meter over ground) and is dangerous
due high descent ratio pilot can lose the altitude reference. Never do this maneuver
without sufficient experience.
By releasing the risers ‘B’ quickly the airflow recoils on the outer layer and the canopy returns
to its normal flight position. In case the canopy does not recover to normal flight, refer to the
section on Wraps. The momentum of return creates a forward motion by the canopy. We
recommend avoiding braking the paraglider eliminating the possibility of a parachutal stall.
The load applied on the ‘B’ lines during this maneuver is not beneficial to your paraglider. Use
this maneuver only in emergencies. In the event risers ‘B’ are pulled too quickly or too deeply,
a horseshoe may occur towards the front. In order to regain normal flight, the pilot must apply
the brakes lightly.
BEHAVIOR IN EXTREME MANEUVERS AND COLLAPSES
• Extreme maneuvers must be executed under the supervision of a qualified instructor, on
safe courses and with the entire infrastructure available for above ground and water flying!
B-STOLL
Like any other canopy, a negative angle of attack will result in a closing. In order to maintain
directional control upon a lateral asymmetric closing, the brakes must be applied on the open
side. In case of a major closing, the amount of braking must be well graduated, in such way to
avoid the airflow displacement (stall) on the open section of the canopy.
To facilitate the canopy re-inflation during a collapse, the steps above must be followed in
conjunction with a long and slow brake pumping action (2 seconds) with the toggle on the
closed side. The shifting of weight on the opposite side riser of the closing will also assist with
the re-inflation and increase safety, requiring less brake action and keeping away from the stall
point.
In case the pilot does not compensate with the brakes, the
ATMUS 2 in most situations will
inflate by itself even in major asymmetric collapses. The ATMUS 2 can make a complete turn
and in the event it does not open on its own.
Without action, the paraglider will begin a positive spiral. The pilot must lightly apply the brake
on the external side to stop a spiral and at the same time shift his/her weight on the same
side until the canopy is stabilized. Exactly at this stage of pendulum effect under the canopy,
it is important that the pilot controls carefully the amount of force applied on the brakes, and
often it is needed to decrease the force. Once a straight flight is achieved, the closed side can
be re-inflated by the pumping action.
LATERAL ASYMMETRIC CLOSING
Warning
Warning
In the eventuality of lines going over the canopy during flight, the pilot must take the following
steps:
• Try to maintain a straight flight: Shift the weight to the open side of the paraglider and
assist with a light brake tension on the open side.
• If the pilot does not actively terminate the spiral, it will continue all the way to the ground!
LINE-OVER
Warning