Geary 18 Information, Review, Specs

Geary 18 Drawing
Make
Geary
Model
18
Builder
Designer
L. E Ted Geary
Number Built
1500
Production Year(s)
1928 - ??

The Geary 18, colloquially known as the "Flattie," stands as a foundational design in the history of competitive small-boat sailing, particularly within the Pacific Northwest. Conceived in 1928 by the prolific naval architect Ted Geary, the boat was originally commissioned by the Seattle Yacht Club to provide a fast, affordable, and accessible racing platform for junior sailors. While the design predates the Clark Boat Company, the builder’s transition to fiberglass construction in the mid-20th century revitalized the class, allowing it to move beyond its plywood origins into a modern era of durability and strict one-design uniformity. The vessel's 18-foot length and 5-foot, 3-inch beam create a sleek, low-profile silhouette that remains a familiar sight at regional regattas from British Columbia to California.

Sailing Performance & Handling

The Geary 18 is defined by its flat-bottomed, hard-chined hull, a configuration that was revolutionary for its time and preceded the modern obsession with planing hulls. Despite its vintage, the boat is remarkably fast off the wind; in a stiff breeze, it is capable of breaking free from its bow wave and planing at impressive speeds. This performance is largely due to its high sail-area-to-displacement ratio and a light, responsive helm.

Because it lacks a heavy keel, the Geary 18 relies on a large centerboard for lateral resistance and the hiking weight of its two-person crew for stability. Handling is often described as "lively" and "athletic." Unlike modern skiffs, the Flattie has a relatively narrow beam, meaning it can be prone to "death rolls" when sailing deep downwind in heavy air if the crew is not synchronized. Upwind, the flat bottom can pound in a short chop, requiring the skipper to "drive" the boat around waves rather than through them. However, in the light-to-moderate air typical of protected Pacific Northwest sounds and lakes, the Geary 18 is a precision instrument, rewarding tactical finesse and subtle sail trim.

The Geary 18 carries a heavy cultural footprint within the maritime history of Seattle and the greater Puget Sound. It is frequently cited in historical accounts of the Seattle Yacht Club and the development of the "Northwest School" of yacht design. The boat's designer, L.E. "Ted" Geary, is a legendary figure who also penned famous yachts like the Pirate (an R-Class racer) and the massive motor yacht Stranger. The longevity of the class is documented in various regional sailing archives, noting its role as the primary training vessel for generations of elite sailors who would go on to compete in the America’s Cup and Olympic Games.

Known Issues & Buyer’s Checklist

For those looking to acquire a Geary 18, the inspection process differs significantly depending on whether the vessel is a classic wood build or a fiberglass model from the Clark Boat Company era.

  1. Centerboard Trunk Integrity: In both wood and fiberglass models, the centerboard trunk is a primary stress point. Buyers should inspect the trunk for cracks or water ingress at the base, where the trunk meets the hull. Leaks here are difficult to repair and can compromise the structural rigidity of the boat.
  2. Mast Step and Deck Compression: The Geary 18 utilizes a deck-stepped mast. Over decades of high rig tension, the deck or the supporting structure beneath the mast step can begin to sag or delaminate. Look for "spiderweb" stress cracks in the gelcoat or a visible depression in the deck profile.
  3. Hull-to-Deck Joint: On fiberglass Clark models, the joint where the deck and hull meet can become brittle. Check for "separation" or signs of past "bumping" repairs, particularly at the bow and stern corners.
  4. Wood Spar Maintenance: While many modern Geary 18s have been retrofitted with aluminum masts, some purists still use wooden spars. These require meticulous varnishing and inspection for dry rot or "shakes" (longitudinal cracks) that could lead to catastrophic failure under load.

Community & Resources

The class is supported by the Geary 18 International Yacht Racing Association, which maintains the official class rules and coordinates the International Championship regattas. This organization is the primary repository for technical drawings and historical data. Local fleets remain active in locations such as Mission Bay, California, and various yacht clubs in Washington and Oregon, ensuring a steady supply of tribal knowledge regarding rigging upgrades and racing tactics.

The Verdict

The Geary 18 is a purist's racing machine that offers a direct link to the golden age of naval architecture while providing a thrill that rivals many modern dinghies.

Pros:

  • Speed: Exceptional planing performance for a 1920s-era design.
  • Legacy: Owners become part of a storied Pacific Northwest sailing tradition.
  • One-Design Rigor: The class rules are strictly maintained, ensuring that racing remains a test of skill rather than budget.

Cons:

  • Stability: High-performance dinghy sailing requires physical agility; it is not a "dry" or "relaxing" daysailer.
  • Maintenance: Older wooden examples require a high level of craftsmanship to maintain, while even fiberglass models require vigilance regarding hull stress points.
  • Niche Market: Outside of the West Coast of North America, finding parts or fleet racing can be a challenge.

Measurements

Construction & Hull

Construction Material
Fiberglass/Wood Composite
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
-
Displacement
525 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
18.16 ft
Waterline Length (LWL)
-
Beam
5.46 ft
Draft
3.75 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
200 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
49.17
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
Comfort Ratio
Capsize Screening Formula
2.71
Hull Speed
— kn