The S2 5.5, also called the Grand Slam 5.5, is an American
sailing dinghy
Dinghy sailing is the activity of sailing small boats by using five essential controls:
* the sails
* the foils (i.e. the daggerboard or centreboard and rudder and sometimes lifting foils as found on the Moth)
* the trim (forward/rear angle of ...
that was designed by
Don Wennersten
Don, don or DON and variants may refer to:
Places
*County Donegal, Ireland, Chapman code DON
*Don (river), a river in European Russia
*Don River (disambiguation), several other rivers with the name
* Don, Benin, a town in Benin
* Don, Dang, a vi ...
as a
racer and
day sailer
A daysailer, day sailer, or dayboat is a small sailboat with or without sleeping accommodations but which is larger than a dinghy. Dayboats can be monohull or multihull, and are typically trailer-able. Many dayboats have a small cabin
Cabin ...
and first built in 1982. The designation indicates the approximate
length overall in meters.
The design was the smallest boat
S2 Yachts
S2 Yachts is an American boat builder based in Holland, Michigan. From 1974 until 1989 the company specialized in the design and manufacture of fiberglass sailboats and it continues as a builder of motorboats.
The company was founded by Leon S ...
produced and its only
dingy
A dinghy is a type of small boat, often carried or towed by a larger vessel for use as a tender. Utility dinghies are usually rowboats or have an outboard motor. Some are rigged for sailing but they differ from sailing dinghies, which a ...
model.
Production
The design was built by S2 Yachts in
Holland, Michigan
Holland is a city in the western region of the Lower Peninsula of the U.S. state of Michigan. It is situated near the eastern shore of Lake Michigan on Lake Macatawa, which is fed by the Macatawa River (formerly known locally as the Black R ...
,
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...
from 1982 until 1983, with 70 boats completed, but it is now out of production.
Design
The S2 5.5 is a recreational
sailboat
A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture.
Types
Although sailboat terminology ...
, built predominantly of
fiberglass
Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cl ...
, with wood trim. It has a
fractional sloop
A sloop is a sailboat with a single mast typically having only one headsail in front of the mast and one mainsail aft of (behind) the mast. Such an arrangement is called a fore-and-aft rig, and can be rigged as a Bermuda rig with triangular ...
rig, a
raked stem
The stem is the most forward part of a boat or ship's bow and is an extension of the keel itself. It is often found on wooden boats or ships, but not exclusively.
Description
The stem is the curved edge stretching from the keel below, up to ...
, a plumb
transom, a transom-hung
rudder
A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other vehicle that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw a ...
controlled by a
tiller
A tiller or till is a lever used to steer a vehicle. The mechanism is primarily used in watercraft, where it is attached to an outboard motor, rudder post or stock to provide leverage in the form of torque for the helmsman to turn the rudder ...
and a retractable
centerboard
A centreboard or centerboard (US) is a retractable hull appendage which pivots out of a slot in the hull of a sailboat, known as a ''centreboard trunk'' (UK) or ''centerboard case'' (US). The retractability allows the centreboard to be raised to ...
. It displaces and has a small
cuddy cabin
A cuddy is a small room or cupboard, particularly on a boat. Sometimes a cuddy refers to a small but cosy hut. The origin of the term is not clear. Cuddy was in use in colonial America as early as 1655. The term may derive from the Dutch ''kaj ...
for stowage.
The boat has a draft of with the centerboard extended. With it retracted the boat can operate in shallow water, be
beached or ground transported on a
trailer.
The design has a
hull speed
Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-t ...
of .
See also
*
List of sailing boat types
The following is a partial list of sailboat types and sailing classes, including keelboats, dinghies and multihull ( catamarans and trimarans).
Olympic classes
World Sailing Classes
Historically known as the IYRU (International Yacht Racing ...
References
External links
Photo of an S2 5.5
{{Sailing dinghies and skiffs
Dinghies
1980s sailboat type designs
Sailing yachts
Sailboat type designs by Don Wennersten
Sailboat types built by S2 Yachts