An ultra light displacement boat (or ULDB) is a modern form of
watercraft
Any vehicle used in or on water as well as underwater, including boats, ships, hovercraft and submarines, is a watercraft, also known as a water vessel or waterborne vessel. A watercraft usually has a propulsive capability (whether by sai ...
with limited
displacement relative to the
hull
Hull may refer to:
Structures
* Chassis, of an armored fighting vehicle
* Fuselage, of an aircraft
* Hull (botany), the outer covering of seeds
* Hull (watercraft), the body or frame of a ship
* Submarine hull
Mathematics
* Affine hull, in affi ...
size (
waterline length
A vessel's length at the waterline (abbreviated to L.W.L)Note: originally Load Waterline Length is the length of a ship or boat at the level where it sits in the water (the ''waterline''). The LWL will be shorter than the length of the boat over ...
).
ULDBs are competitive, even after 35 years with open ocean racing participation and podium finishes even today. The relative low cost to obtain, tough construction and readily easy modifications make an Olson or a Hobie an extremely competitive and fun boat. The boats do lack comfort, and are not designed for cruising; however, with multiple transpac races, and multiple Bermuda 1-2 entries, they are proving to be a stalwart competitor despite their older design.
See also
*
Bill Lee (yacht designer)
Bill Lee is the designer of noted ocean racing yachts, and one of the founders of the Santa Cruz school of boatbuilding. Known to many as ''the Wizard, Lee's'' designs achieved notoriety in the 1970s, with ''Chutzpah'' and ''Merlin'' having won th ...
*
George Olson (yacht designer)
*
Olson 30
*
Hobie 33
*
International Offshore Rule
The International Offshore Rule (IOR) was a measurement rule for racing sailboats. The IOR evolved from the Cruising Club of America (CCA) rule for racer/cruisers and the Royal Ocean Racing Club (RORC) rule.
Rule context - past and present rating ...
*
Ron Moore (boat builder)
*
Sportsboat
References
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