- the
board in the
upward position is needed. A
centreboard differs from a
ballast keel in that
centreboards do not
contribute to the
stability of the vessel;...
- A
daggerboard is a
retractable centreboard used by
various sailing craft.
While other types of
centreboard may
pivot to retract, a
daggerboard slides...
- -being metal- have the
secondary purpose of
being a counterweight, and
centreboards and daggerboards,
which are of
lighter weight, do not have the secondary...
-
outside and do not
require holes in the hull,
which can leak.
Since centreboards are retractable, they
require a large,
watertight trunk to hold them...
-
directional stability or to
create lift.
Retractable appendages include centreboards and daggerboards. A
forward protrusion below the
waterline is called...
- This is a List of
World Championships medalists in
sailing in
centreboard classes.
World Championships in
Sailing ISAF
Sailing World Championships World...
-
slack bilges in the
section (to give
greater stability); by the 1850s
centreboards were common. The last
whaleships to
carry whaleboats worked under oar...
-
shallow waters, or
squat Variation due to
movable appendages, such as
centreboards, daggerboards, drop keels, leeboards, and
retractable rudders Projection...
- rigging, engine, transmission, propeller), or
controls (helm, rudder,
centreboard, daggerboards, rigging). Similarly, a jury mast is a
replacement mast...
- and 60 cm (2 ft) wide were
wedged between the
balsa logs and used as
centreboards. The
mainmast was made of
lengths of
mangrove wood
lashed together to...
