OPENING SHOCK
The
decelerating force exerted on the load
following that of the snatch force.
Caused by the acceleration of the
canopy and the air mass associated
with it.
OPENING TIME
The time
elapsing between the opening of a
parachute pack and the opening of
the canopy to its fullest extent. |
OPENING, PREMATURE
Any accidental opening of the parachute
prior to the intended time.
OSCILLATION
Pendulumlike
swinging of the suspended load
beneath the inflated canopy. Usually
the result of trapped air escaping
under the lower lateral band. |
OUTBOARD
Meaning facing
to the outside such as a ripcord facing
to the side of the jumper rather
than toward the breastbone.
OVERHAND KNOT
A simple
knot tied separately in each end
of a piece of cord above a square, surgeon’s,
or other knot to prevent the
end from slipping through the lower
knot. |
