Advance SIGMA 4 Manuel D'utilisation page 35

Start Check:
- Lines free
- Canopy open
- Harness and helmet buckles properly closed (reserve parachute OK)
- Wind direction and strength observed and evaluated.
- Airspace and visibility OK
the is suited to forward and reverse inflations.
SIGMA 4
Take off:
Lay the canopy out so as to maintain its elliptical form at the leading
edge. Hold the risers below the large quick link then advance until the
suspension lines are under light tension. Position yourself in a central
position relative to the canopy.
At the start of take off, gently accelerate and guide the risers until the
canopy is above the head, without either pulling down or pushing the
risers exessively forward, (this would pull the leading edge down
resulting in an obstructed airflow to the cells). The canopy rises
progressively without any "hard point". The canopy will cease to rise
if not guided by the risers.The inflates easily and rises without
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any overshooting.
the achieves 'best glide' with brakes in the
SIGMA 4
Normal flight:
hands up position. Lightly applying brakes will reduce the sink rate. As
even a small amount of brake applied will reduce speed we suggest that
crossings be flown at the best glide position. When flying through
turbulence the application of a small amount of brake will increase
stability.
the possess very comfortable brake pressure. The
SIGMA 4
Turns:
will respond to brake application in an immediate and
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proportional manner to the amount of brake applied. To familiarise
with this make your first turns in a gradual and progressive manner. To
make the most efficient turns in thermal conditions, having found the
core of the thermal we advise you to fly with approx 30% brakes and
to control the radius of your circle with the inside brake; it is unnecessary
to release the outside brake.
The harness helps give the its good stability, however,
ADVANCE SIGMA 4
it also permits weight shifting due to the triangulation system of the thigh
straps. Weight shifting can be used to tighten the turn of the .
SIGMA 4
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