O'day 12 Information, Review, Specs

Make
O'Day
Model
12
Number Built
490
Production Year(s)
1975 - 1980

The O'Day 12 is a compact and versatile cat-rigged dinghy designed to introduce new sailors to the joys of the water and provide seasoned enthusiasts with a simple, enjoyable day sailer. Produced by O'Day Corp., a company synonymous with accessible fiberglass sailboats, the O'Day 12, with its daggerboard design, embodies the builder's philosophy of creating dependable and forgiving vessels perfect for learning and recreational sailing. Based on the successful O'Day Widgeon hull, the 12 offered a slightly different configuration aimed at ease of use and spirited performance for its size.

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History and Design

The O'Day 12 was in production from 1975 to 1980, emerging during a period when O'Day Corp. was a leading manufacturer of fiberglass sailboats in the United States. The company, founded by Olympic gold medalist George O'Day, was known for embracing fiberglass to allow for mass production and consistent quality, making sailing accessible to a broader audience. The O'Day 12 shares its hull with the well-regarded O'Day Widgeon, a popular design by Robert H. Baker. The O'Day 12 distinguished itself from the Widgeon by incorporating a daggerboard, a modified interior tank/seat arrangement, and a three-piece unstayed mast with a sleeved cat rig. This design approach aligns with O'Day's general ethos of building stable and user-friendly boats that were comfortable and forgiving, particularly appealing to families and those new to sailing.

Sailing Performance and Handling

Given its length overall of just over 12 feet, the O'Day 12 is a small sailing dinghy, and traditional performance ratios like sail area to displacement or ballast to displacement are not typically applied in the same way as they are for larger cruising sailboats. With a reported sail area of 75 square feet and a displacement of 243 pounds, it is designed for nimble handling and responsiveness. The cat rig, featuring a single unstayed mast and main sail, simplifies rigging and sail trim, making it an excellent choice for learning.

Owners and reviewers often describe small O'Day dinghies, including the Widgeon, as a "joy to sail," even in varying conditions. The daggerboard configuration allows for a minimum draft of 0.42 feet, enabling access to very shallow waters, while its maximum draft of 3.5 feet with the board down provides good lateral resistance for upwind performance. Its lightweight hull and simple rig contribute to a lively sailing experience, particularly in moderate breezes. Sailors appreciate its ease of handling, making it a suitable boat for those just starting out, while still offering enough responsiveness to be entertaining for more experienced helmsmen.

Accommodations and Layout

As a 12-foot sailing dinghy, the O'Day 12's "accommodations" are focused on a functional and comfortable cockpit rather than an enclosed cabin. There is no stand-up headroom. The design includes a modified interior tank/seat arrangement, suggesting built-in seating that likely also served as flotation or storage compartments. This simple layout emphasizes open-air sailing and ease of movement within the cockpit. Owners of similar small O'Day boats often speak of their practicality, with a focus on simple storage solutions for essential gear. The general construction of O'Day boats from this era, utilizing solid fiberglass for both hull and deck, would have provided a robust and low-maintenance platform.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Daggerboard
Rudder
1x —
Ballast
-
Displacement
243 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cat Rig
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Main Sail Area
-
Foretriangle Sail Area
-
Total Sail Area (Reported)
75 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
12.33 ft
LWL
11.5 ft
Beam
5 ft
Draft
3.5 ft
Max Headroom
-
Air Draft
21.33 ft

Calculations

Hull Speed
4.54 kn
Pounds per Inch Immersion
205.45