Training
Methods
Static Line – RAPS
The static line or RAPS method is a common way for people to do
their first (and second, third…) skydive. RAPS stands for
Ram Air Progression System and is so named because the type of parachute
used is a square Ram Air parachute (as opposed to a Round parachute
used by the military and in the olden days of sport parachuting).
What is a Ram Air Parachute?
A Ram Air Parachute is a square or rectangular canopy that is controllable
and makes it possible to make soft landings every time. They are
made from nylon and consist of a top and bottom skin, open at the
nose(front end) and closed at the tail (back end). It is also split
into either 7 or 9 cells by vertical ribs between the top and bottom
skins of the canopy. When the canopy opens, air flows into the parachute
through the nose and pressurises the canopy creating a semi-rigid
airfoil shape – much like the wing of an aeroplane. This means
that the canopy flies like any other aircraft and can be turned
and flared (reduce the descent rate) for landing.
What is a Static Line?
A static line is the name of the line that is attached to both the
aeroplane and to the container on your back that has your parachute
inside it. This line is about 15 feet long. When the jumpmaster
tells you to jump, you leave the plane and fall away. As you reach
the end of the static line, it pulls open the container on your
back and extracts the parachute automatically. This means that you
don’t have to worry about deploying the parachute yourself.
The static line isn’t permanently attached to your parachute
– once the deployment sequence starts you will no longer be
joined to the plane so you won’t be dragged along behind it!!
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