Dark Harbor 17 1/2 Information, Review, Specs

Boat drawing
Make
Model
Number Built
200
Production Year(s)
1908 - 1935

The Dark Harbor 17 1/2 is a distinguished classic daysailer and racer, renowned for its elegant lines, spirited performance, and enduring appeal. Conceived in 1908 for the Manchester Yacht Club in Massachusetts, this keelboat quickly gained a reputation for its blend of speed and graceful handling, serving as both a competitive class racer and a delightful vessel for afternoon sails. Its design is officially credited to B.B. Crowninshield, though the actual plans were completed by R. N. Burbank, an employee of Crowninshield's firm at the time. Many of these beautifully crafted wooden boats, originally built by yards such as Rice Brothers and George Lawley & Son, continue to sail today, a testament to their robust construction and timeless design.

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George Lawley & Son, the esteemed Massachusetts-based builder, constructed models of the Dark Harbor 17 1/2 during its significant production run from 1908 to 1935. The Lawley firm, known for "perfection in every detail" and "fine yacht construction," ensured that each Dark Harbor 17 1/2 embodied the highest standards of wooden boat craftsmanship.

History and Design

The genesis of the Dark Harbor 17 1/2 lies in the early 20th century, a period of burgeoning interest in yachting and class racing. Originally commissioned as the "Manchester 17" for the Manchester Yacht Club, its popularity soon spread, leading it to acquire various names, including the "Bar Harbor 17" and ultimately the "Dark Harbor 17 1/2". While attributed to prominent naval architect Bowdoin B. Crowninshield, the detailed plans for this yacht were meticulously drawn by R. N. Burbank, an employee of Crowninshield's firm.

The design ethos behind the Dark Harbor 17 1/2 focused on creating a powerful, fast, and responsive boat suitable for both spirited racing and enjoyable daysailing. This was achieved through a combination of a low freeboard, slender hull lines, long ends, a deep draft, and a large gaff rig. The boat's construction by builders like George Lawley & Son, active in Neponset (Dorchester) at the time, leveraged their reputation for unwavering commitment to quality and craftsmanship, utilizing wood construction techniques that were the hallmark of their "Lawley built" vessels. This era saw Lawley become synonymous with meticulous attention to detail and superior wooden yacht construction.

Sailing Performance and Handling

The Dark Harbor 17 1/2, with its elegant lines and traditional gaff rig, exhibits spirited sailing characteristics that belie its modest length. Its design translates directly into a lively and engaging sailing experience.

  • Sail Area to Displacement Ratio (SA/D) of 21.42: This high ratio indicates a powerful rig for its displacement, suggesting excellent performance in light air conditions. The boat is designed to be easily driven, making the most of gentle breezes.
  • Ballast to Displacement Ratio (B/D) of 0.41: With a significant portion of its displacement dedicated to ballast, the Dark Harbor 17 1/2 is notably stiff and stable. This high ballast ratio means it can stand up to more wind, providing a secure and comfortable motion even when the breeze picks up. The fin keel further contributes to splendid maneuverability.
  • Displacement to Length Ratio (D/L) of 287: This ratio places the Dark Harbor 17 1/2 in the heavier end of the moderate displacement category, reflecting a traditional build that prioritizes solid construction and a comfortable motion over extreme lightweight performance. Yet, its slender hull and powerful rig ensure it remains a quick and responsive vessel.

Anecdotal evidence and reviews often praise the Dark Harbor 17 1/2 as a "pure sailing machine" that is both fast and responsive. Owners appreciate its balance and ability to handle various sea states with grace, making it a joy to sail.

Accommodations and Layout

While primarily designed as a daysailer and racer, the Dark Harbor 17 1/2 does feature a small cabin, providing basic shelter and utility. This cabin is characteristic of classic daysailers of its era, typically offering minimal headroom and a simple, open layout. Expect a straightforward arrangement, likely with berths or settees that can serve as seating during the day and sleeping accommodations for an overnight stay.

The interior finish would traditionally be of high-quality wood, reflecting the craftsmanship of its builders like George Lawley & Son. While storage would be limited, it would be strategically placed for essentials. Ventilation would typically rely on a companionway and possibly a small foredeck hatch. The focus of the Dark Harbor 17 1/2's interior is on providing basic comfort and utility rather than extensive cruising amenities, maintaining its primary identity as a performance-oriented daysailer.

Owner's Perspectives

Owners of the Dark Harbor 17 1/2 consistently praise its solid construction, beautiful lines, and exhilarating sailing performance. Many consider it a "true classic" and a "pure sailing machine" that offers considerable comfort in its cockpit for a boat of its size. Enthusiasts admire its powerful gaff rig and the responsiveness it provides on the water. The enduring quality of the original wooden builds is often highlighted, with several meticulously restored examples still actively sailing today.

While specific common weaknesses or maintenance issues are not widely documented in general owner reviews, like many classic wooden boats, sustained maintenance is crucial to preserve their integrity. The building process itself is considered a genuine challenge and a "genuine hit" with those who appreciate fine craftsmanship, indicating the intricate nature of its traditional construction.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x —
Ballast
1400 lbs (Lead)
Displacement
3450 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
Gaffhead Sloop
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)
310 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
25.83 ft
LWL
17.5 ft
Beam
6.25 ft
Draft
4.25 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
5.61 kn
Pounds per Inch Immersion
390.81