- 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;...
-
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...
- -being metal- have the
secondary purpose of
being a counterweight, and
centreboards and daggerboards,
which are of
lighter weight, do not have the secondary...
- A
daggerboard is a
retractable centreboard used by
various sailing craft.
While other types of
centreboard may
pivot to retract, a
daggerboard slides...
- of hard
chined sailboat with a flat bottom,
extremely shallow draft,
centreboards and straight,
flaring sides. They are
believed to have
originated in...
-
directional stability or to
create lift.
Retractable appendages include centreboards and daggerboards. A
forward protrusion below the
waterline is called...
- rigging, engine, transmission, propeller), or
controls (helm, rudder,
centreboard, daggerboards, rigging). Similarly, a jury mast is a
replacement mast...
- 470 (Four-Seventy) is a double-handed
monohull planing dinghy with a
centreboard,
Bermuda rig, and
centre sheeting.
Equipped with a spinnaker, trapeze...
-
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...
