Class Iii Belfast Lough OD Information, Review, Specs

Class Iii Belfast Lough OD Drawing
Make
Class Iii
Model
Belfast Lough OD
Builder
William Roberts (IRELAND)
Designer
Linton Hope,
Number Built
10
Production Year(s)
1898 - ??

The Belfast Lough One Design (BLOD) Class III represents a pinnacle of early 20th-century yacht design, born from the drafting table of the legendary William Fife III in 1904. Commissioned specifically for the members of the Royal Ulster Yacht Club and Ballyholme, the Class III was the final and smallest iteration in a series of three "One Design" classes intended to standardize racing in the challenging waters of Northern Ireland. While the Class I (designed in 1896 at 37 feet LOA) and the Class II (designed in 1897 at 24 feet LOA) provided larger platforms for offshore and coastal competition, the Class III was envisioned as a nimble, accessible dayboat that maintained the exquisite aesthetics and "sweet" lines synonymous with the Fife brand. Constructed primarily of pitch pine on oak frames, these vessels were built to endure the short, steep chop of the Irish Sea while offering the balanced helm that made William Fife one of the most celebrated naval architects in history.

Sailing Performance & Handling

The Class III is characterized by a high length-to-beam ratio and significant overhangs, featuring a 23’6” Length Over All (LOA) against a mere 15’ Waterline Length (LWL). This design allows the boat to increase its effective waterline as it heels, a classic Fife trait that provides a deceptive turn of speed and increased stability under press of sail. Originally rigged as a gaff sloop with a distinctive long boom, many extant models were later converted to Bermudian rigs for easier handling and improved upwind performance.

Under sail, the Class III is noted for its exceptional "feel" and tracking ability. With a draft of 3’6” and a substantial lead keel—roughly half of its total displacement—the boat is remarkably stiff for its size. Historical accounts and features in Classic Boat Magazine suggest that while the boat is a wet ride in a heavy blow due to its low freeboard, it remains predictable and seaworthy. The boat’s performance in light airs is equally lauded, as the narrow hull and generous sail area allow it to ghost along when heavier modern cruisers would be forced to motor.

The cultural footprint of the Belfast Lough One Design Class III is largely tied to the heritage of the Fife Regattas and the preservation efforts within the United Kingdom. Several individual hulls have been recognized for their historical significance; notably, the boat Whim is often cited in registries of classic yachts as a survivor of the era. The class is frequently featured in retrospective maritime literature focusing on the "Golden Age" of yachting, where the BLOD series is hailed as a precursor to modern one-design racing. Modern sightings of these vessels are most common at the Fife Regatta on the Clyde, where they compete against other historic designs in a showcase of maritime artistry.

Known Issues & Buyer’s Checklist

Prospective owners of a Class III must approach the purchase with the mindset of a conservator. Because these boats are wood-built and over a century old, several technical areas require rigorous inspection:

  • Fastening Fatigue: Most Class III boats were originally built with copper rivets or galvanized bolts. Over decades, "nail sickness" or electrolysis can compromise the bond between the planking and the frames.
  • Keel Bolt Integrity: The lead keel is a vital structural component. Given the boat's age, the keel bolts should be drawn and inspected for wastage, especially at the interface between the wood and the lead.
  • Deck and Canvas Issues: Many original decks were pine covered in painted canvas. Water ingress through the canvas often leads to rot in the deck beams and the sheer strake.
  • Rib Fractures: Check the turn of the bilge for cracked or "sistering" ribs, which can indicate previous structural stress or a loss of flexibility in the oak frames.
  • Mast Step and Chainplates: In gaff-rigged versions, the mast step is a common collection point for freshwater (rain), which can lead to localized rot in the keelson.

Community & Resources

The primary keepers of the Class III legacy are the National Historic Ships UK and the Royal Ulster Yacht Club. While a formal, active racing class no longer exists for the Class III in its original capacity, the "Fife Circle" and the broader community of classic yacht restorers provide technical support. Many owners also find resources through the North of Ireland Yacht Club, which maintains historical archives on the Belfast Lough classes.

The Verdict

Pros:

  • Unmatched Aesthetic: Possesses the timeless elegance and prestige of a William Fife III design.
  • Exceptional Handling: Offers a sensitive, balanced helm and excellent windward ability.
  • Historical Significance: Ownership grants entry into an elite community of classic yacht preservationists.

Cons:

  • High Maintenance: Requires significant annual upkeep and specialized woodworking skills.
  • Limited Utility: As a dayboat with no interior, it is unsuitable for anything beyond afternoon racing or fair-weather coastal jaunts.
  • Exposure: The low freeboard and open cockpit make for a very wet experience in choppy conditions.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
-
Displacement
3000 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
24 ft
Waterline Length (LWL)
17 ft
Beam
6.5 ft
Draft
5.5 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

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

Calculations

Sail Area / Displacement (SA/D) Ratio
21.23
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
272.6
Comfort Ratio
20.04
Capsize Screening Formula
1.8
Hull Speed
5.52 kn