Bird OF Dawning Sailboat Review, Specs, and Listings

Phil Bolger/Peter Duff·1980·Edey & Duff
Approximate drawing

Hover a measurement to read its value

Hull Type
Leeboard
Rig
Yawl
LOA
39.33' · 11.99 m
Disp.
16,300 lbs · 7,394 kg
First year
1980

The Bird of Dawning (often cataloged as the O.F. Dawning in design archives) is one of the most intriguing and mathematically advanced collaborations between the iconoclastic naval architect Philip C. Bolger and the traditionalist craftsmen at the Edey & Duff yard in Mattapoisett, Massachusetts. Launched in 1980, this 39.33foot gaffyawl represents a radical departure from Bolger’s minimalist, plywoodbox "instant boats". Instead, it marries the shallowwater utility of a classic East Coast sharpie with the seaworthiness and structural integrity of a traditional offshore cruiser. Named after the legendary tea clipper from John Masefield’s 1933 sea novel, the vessel was built for sailors who demand access to thin coastal waters without sacrificing the ability to handle punishing offshore conditions. Inside, the yacht avoids the dark, cramped layout of its nineteenthcentury ancestors, utilizing Edey & Duff's famed joinery to establish an airy, functional, and highly refined living space.

Measurements

Dimensions 01

Length Overall
39.33 ft
Length on deck
Waterline Length
36.08 ft
Beam
9.83 ft
Draft
6.5 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass (PVC Foam Core)
Hull Type
Leeboard
Keel Type
Ballast
(Lead)
Displacement
16,300 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Yawl
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
940 sqft

Calculations 04

Sail Area to Displacement Ratio
23.39
Ballast to Displacement Ratio
Displacement to Length Ratio
154.93
Comfort Ratio
32.38
Capsize Screening Ratio
1.55
Hull Speed
8.05 kn

Design Brief & Intent

The primary mission of the Bird of Dawning is ultimate shallow-water versatility paired with authentic ocean capability. While most builders of the era were churning out deep-draft, fin-keeled production sloops, Bolger and Duff looked to traditional Thames sailing barges and American sharpies for inspiration. With her leeboards raised, the boat draws a mere two feet, allowing her to slip into tidal estuaries, crawl up shallow creeks, and rest flat on her bottom when the tide recedes.

Unlike many classic wooden cruisers of this aesthetic, however, the Bird of Dawning is engineered around modern composite construction, utilizing a fiberglass hull cored with high-grade Airex PVC foam. This creates an incredibly stiff, light, and well-insulated structure. The interior layout reflects Bolger’s "inside-out" design philosophy, maximizing usable beam. Rather than dividing the cabin into tiny compartments, the living area remains mostly open, showcasing warm wood joinery, long settee berths, and a utilitarian galley. It is a vessel designed specifically for long-distance, self-sufficient "gunkholing" and coastal passage-making, providing a level of physical shelter and structural confidence that smaller pocket cruisers simply cannot match.

Variations & Configurations

Because of the highly specialized nature of the build, Edey & Duff produced only three hulls of the Bird of Dawning, making each surviving boat a semi-custom artifact with its own distinct owner history. The standard setup is a gaff-rigged yawl, a configuration chosen by Bolger to divide the 940 square feet of sail area into highly manageable portions. This rig allows a shorthand crew to drop the mainsail entirely in a blow and sail comfortably under "jib and jigger" (foresail and mizzen).

The defining physical variation on these hulls lies in the execution of the lateral plane. Instead of a traditional centerboard trunk—which occupies valuable interior real estate—the vessel utilizes heavy, external leeboards pivoted on the sides of the hull. When lowered, these boards increase the draft to 6.5 feet, transforming the boat’s ability to claw her way to windward. Auxiliary power was originally provided by a 37-horsepower inboard engine, though individual owners have configured the engine rooms differently over the decades.

Sailing Performance & Handling

The sailing characteristics of the Bird of Dawning are defined by its unusual combination of light weight and a massive sail plan. Cruising sailors accustomed to heavy-displacement coastal cruisers will find her exceptionally lively. With a displacement of 16,300 pounds and a waterline length of 36.08 feet, she boasts a lean Displacement-to-Length (D/L) ratio of 154.93, indicating a hull that is easily driven and highly efficient at low wind speeds.

Her Sail Area-to-Displacement (SA/Disp) ratio stands at a powerful 23.39. In light air, this generous sail plan allows the Bird of Dawning to accelerate quickly and slide through flat water at her theoretical hull speed of just over eight knots. When the wind rises, her stability is governed by a capsize screening value of 1.55—significantly lower than the ocean racing limit of 2.0—making her highly resistant to rolling and indicating an excellent self-righting capacity. With a comfort ratio of 32.38, she possesses enough physical mass to damp out short, choppy waves, ensuring a remarkably soft and predictable motion in a seaway. At the helm, the yawl rig provides exceptional balance; by trimming the mizzen, a skipper can easily tune out weather helm, allowing the boat to track straight with minimal rudder deflection.

Market Snapshot & Economics

With only three hulls ever completed by Edey & Duff, the Bird of Dawning is an exceptionally rare find on the brokerage market. These vessels do not trade under typical production-boat depreciation curves; instead, they are treated as highly collectible classic yachts. When one does become available, it commands a premium from traditional sailing purists, Bolger design devotees, and shallow-water cruisers.

Buyers looking to acquire a Bird of Dawning should expect a unique set of refit economics. Because the hull is constructed of fiberglass and Airex foam core, they are spared the endless structural rot issues associated with traditional wooden hulls of this era. However, the complexity of the gaff-yawl rig, the external leeboard pivot hardware, and the custom wood-and-bronze deck fittings mean that ongoing maintenance requires a high level of specialized craftsmanship. Restoring or replacing worn spars, block-and-tackle rigging, or the custom leeboards themselves can be costly if outsourced to professional boatyards, making these vessels best suited for experienced owners who enjoy active, hands-on yacht stewardship.

The Verdict

The Bird of Dawning is a masterclass in compromise-free shoal-draft design, offering a rare combination of heavy-weather safety, fast light-air performance, and the ability to slide into ankle-deep water.

Pros

  • Extreme shoal draft of just two feet with boards up opens up cruising grounds inaccessible to almost all other 40-footers.
  • Light, stiff, and insulated Airex-cored fiberglass construction avoids the high maintenance of a wooden hull.
  • Highly versatile gaff-yawl rig offers easy sail handling and excellent balance under jib and jigger.
  • Exceptionally low capsize screening ratio (1.55) and high comfort ratio (32.38) ensure safety and comfort in open waters.

Cons

  • Extreme scarcity makes finding one for sale nearly impossible.
  • The complex, traditional rigging and external leeboards require meticulous hands-on maintenance.
  • Lacks the standing headroom of more modern, bulbous production cruisers due to her sleek profile and flat-bottomed architecture.

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