-
A point of
sail is
a sailing craft's
direction of
travel under sail in
relation to the true wind
direction over the surface. The prin****l
points of sail...
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orientation to the wind or
point of
sail. On
points of
sail where it is
possible to align the
leading edge of the
sail with the
apparent wind, the
sail may act...
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speed over the surface) is
called the
point of
sail. The
speed of the
craft at
a given point of
sail contributes to the "apparent wind"—the wind
speed and...
-
craft and
their rigs
Sailing employs the wind—acting on
sails,
wingsails or kites—
to propel a craft on the
surface of the
water (sailing ship, sailboat...
- The crab claw
sail is
a fore-and-aft
triangular sail with
spars along upper and
lower edges. The crab claw
sail was
first developed by the Austronesian...
- "Discussion," below); the
point of
sail into the wind is
called "close hauled".
Sailing into the wind is
possible when the
sail is
angled in
a slightly more forward...
-
Sails may be
classified as
either triangular,
which describes sails that
either come
to one
point of
suspension at the top or
where the
sail comes to...
- On
a square rigged ship, the
spanker is
a gaff-rigged fore-and-aft
sail set from, and aft of, the
aftmost mast.
Spankers are also
called driver, jigger...
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Solar sails (also
known as lightsails,
light sails, and
photon sails) are
a method of
spacecraft propulsion using radiation pressure exerted by sunlight...
- surface, the
sail serves as an
observation platform. It also
provides an
entrance and exit
point on the
submarine that has
enough freeboard to prevent the...
