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Since there are strong forces acting on the pilot during extreme spiral rotations and its initiation
presents problems in very turbulent conditions, we also recommend using the B-Stall with the
BLUE, because it is particularly appropriate to the design. The spiral dive (sinking about 8-15 m/s)
remains the most effective method for rapid descent and should therefore be practiced. A B-stall
(sink rate about 6-8 m/s) is not appropriate for every type of emergency situation.
B-LINE-STALL
From normal flight (no accelerator), it is best to grasp the B-lines
on both sides above the line links and pull them down. There is no
need to release the brake handles while B-stalling. The first 10 cm
requires relatively high inputs. A full stall will occur, then the cano-
py bunches up across the profile and by pulling down further
(about another 10 cm) you will achieve a high sink rate while keep-
ing a completely stable “flight” position. Pulling the B-lines even further down will not increase the
sink rate any more, but does decrease flight stability and position and the canopy may try to turn.
Releasing the risers results in the canopy accelerating immediately and without strong oscillation.
A rapid release is recommended. The BLUE does not show any tendency to remain in stalled flight
after release, but should it not return to normal flight right away, a simultaneous push on both A-
risers will remedy the situation.
BIG EARS
By pulling on the rear (outer) A-riser and holding down the outer
A-lines the wing tips of the BLUE can be folded in. This method
drastically deteriorates the glide angle but is not a particularly
effective method of rapid descent. The use of big-ears is only
sensible for getting out of moderate thermals horizontally, with-
out gaining more altitude (useful when at cloud base or at risk
of being blown backwards into lee rotor). The horizontal speed
only increases very slightly, but vertical speed increases significantly (Using the speed system at
the same time will increase the effectiveness of this technique)) To reinflate from Big Ears simply
release the outer A riser - only in exceptional cases is it necessary to help the reinflation with
brief, deep pumps of the brake on the deflated side. Caution: Do not attempt a spiral dive with Big
Ears! The load is distributed between a reduced number of line attachments, and the high forces
will overload the canopy!
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