QUESTIONS WITH VERIFIED
SOLUTIONS
bow - ANSWER-Front of a vessel
Cleat - ANSWER-Metal fitting on which a rope can be fastened
gunwale - ANSWER-Upper edge of vessel's side (generally pronounced "gunnel")
Hull - ANSWER-Body of a vessel
port - ANSWER-Left side of a vessel
propeller - ANSWER-Rotates and powers a boat forward or backward
starboard - ANSWER-right side of a vessel
stern - ANSWER-Rear of a vessel
beam - ANSWER-Maximum width of a vessel
draft - ANSWER-Depth of water needed to float a vessel
Freeboard - ANSWER-Distance from water to lowest point of the boat where water
could come on board
keel - ANSWER-Main centerline (backbone) of a vessel or the extension of hull that
increases stability in the water
Displacement Hull - ANSWER-move through the water by pushing the water aside and
are designed to cut through the water with very little propulsion
If you lower a boat into the water, some of the water moves out of the way to adjust for
the boat. If you could weigh that displaced water, you would find it equals the weight of
the boat. That weight is - ANSWER-the boat's displacement.
Boats with _________ hulls are limited to slower speeds. - ANSWER-displacement
A round-bottomed hull shape acts as a ___________________. Most large cruisers and
most sailboats have ___________, allowing them to travel more smoothly through the
water. - ANSWER-displacement hulls
, Two types of Hulls - ANSWER-displacement and planing
personal watercraft - ANSWER-A small vessel that uses an inboard jet drive as its
primary source of propulsion, and is designed to be operated by a person or persons
sitting, standing, or kneeling on the vessel rather than inside the vessel
planing hulls are - ANSWER-designed to rise up and glide on top of the water when
enough power is supplied. These boats may operate like displacement hulls when at
rest or at slow speeds but climb toward the surface of the water as they move faster.
Boats with ______________can skim along at high speed, riding almost on top of the
water rather than pushing it aside. - ANSWER-planing hulls
__________ and vee-bottomed hull shapes act as planing hulls. - ANSWER-Flat-
bottomed
Most small power-driven vessels, including ___________ have planing hulls, allowing
them to travel more rapidly across the water. - ANSWER-personal watercraft (PWC),
and some small sailboats
Displacement Mode: - ANSWER-A planing hull, when operated at very slow speeds, will
cut through the water like a displacement hull.
Plowing Mode: - ANSWER-As speed increases, a planing hull will have a raised bow,
reducing the operator's vision and throwing a very large wake. Avoid maintaining a
speed that puts your boat in this mode
Planing Mode: - ANSWER-enough power is applied so that the hull glides on top of the
water. Different boats reach planing mode at different speeds.
flat bottomed hull - ANSWER-Has a shallow draft, which is good for fishing in small
lakes and rivers but Rides roughly in choppy waters.
Deep-Vee Hull - ANSWER-Gives a smoother ride than a flat-bottomed hull in rough
water but Takes more power to move at the same speed as flat-bottomed hulls. May roll
or bank in sharp turns.
Round-Bottomed Hull - ANSWER-Moves easily through the water even at slow speeds
but has a tendency to roll unless it has a deep keel or stabilizers.
Multi-Hull - ANSWER-Has greater stability because of its wide beam but needs a large
area when turning.
Length overall is measured from the - ANSWER-tip of the bow in a straight line to the
stern of the vessel.