Royal Corinthian OD Information, Review, Specs

Make
Royal
Model
Corinthian OD
Builder
Burnham Yacht Building Co./King and Sons
Designer
H.C. Smith
Number Built
17
Production Year(s)
1934 - ??

The Royal Corinthian One Design (RCOD) is a distinguished vintage racing keelboat that serves as a cornerstone of British yachting heritage on the East Coast. Designed by Jack Francis Jones in 1934 and commissioned by the Royal Corinthian Yacht Club (RCYC) in Burnham-on-Crouch, the vessel was conceived as a robust, elegant, and strictly controlled class for the challenging tidal reaches of the River Crouch. At approximately 28 feet in length, these wooden-hulled classics represent a bridge between the heavy-displacement cruisers of the early 20th century and the more agile racing classes that emerged post-war. The majority of the fleet was constructed by the Whisstocks boatyard in Woodbridge, a builder renowned for high-quality wooden craftsmanship.

Sailing Performance & Handling

The RCOD is celebrated for its exceptional sea-kindliness and ability to "point" high into the wind, a necessity for navigating the narrow, winding channels of the Essex marshes. With a heavy lead keel and a deep-draft hull, the boat offers a stable, "stiff" sailing platform that resists excessive heeling even when pressed in a blow. While technical ratios for these bespoke wooden builds are rarely standardized in the modern sense, the design philosophy emphasizes momentum and tracking over the quick acceleration seen in modern lightweight fin-keelers.

According to historical records from the Royal Corinthian Yacht Club, the class originally carried a high-aspect fractional rig. On the water, the helm is reportedly sensitive but forgiving, providing the "heavy-weather" security that Burnham sailors demand when the tide meets a stiff breeze. Handling an RCOD requires a nuanced understanding of traditional sail trim, as the boat relies on its mass to carry it through tacks in short, choppy seas. Owners often remark on its balanced feel; when tuned correctly, the boat exhibits a slight weather helm that provides excellent tactile feedback through the tiller.

The cultural footprint of the Royal Corinthian One Design is inextricably linked to the history of the Burnham Week regattas. The class has been a fixture of the "Burnham scene" for nearly a century, often appearing in the background of historical maritime photography documenting the evolution of British yachting. The boat’s enduring popularity is highlighted in regional maritime archives and has been featured in editorial retrospectives within Classic Boat Magazine, where it is frequently cited as a prime example of the 1930s "Club Class" phenomenon. During its heyday, the RCOD was the preferred vessel for several prominent British yachtsmen who sought a competitive, standardized platform that leveled the playing field, ensuring victories were won on skill rather than budget.

Known Issues & Buyer’s Checklist

Prospective owners of a Royal Corinthian One Design must approach the purchase with the diligence required for any historic wooden vessel. Since these boats are now reaching 80 to 90 years of age, structural integrity is the primary concern.

  • Fastening Integrity: The RCODs were typically built with mahogany planking on oak frames. Over decades, the copper roves and bolts can fatigue. A survey should specifically target "nail sickness" or electrolysis around the keel bolts.
  • Rib and Frame Cracking: The stress of racing in tidal chop can lead to cracked ribs, particularly in the midships section where the mast step transfers loads to the hull.
  • Chainplate Corrosion: The original galvanized or early stainless-steel chainplates are prone to crevice corrosion. Inspecting the points where the shrouds meet the hull is critical for rig safety.
  • Deck and Hull Seams: Traditional laid decks, if not replaced with modern epoxy-bonded teak or plywood/fiberglass overlays, are prone to leaking. This moisture often migrates into the stem and stern post, leading to localized rot.

Community & Resources

The heart of the community remains the Royal Corinthian Yacht Club, which continues to host dedicated starts for the class. Technical support is primarily found through the RCOD Class Association, an informal but dedicated group of owners who manage the class rules and coordinate restorations. For technical historical data on the construction methods used for the fleet, the archives of Whisstocks (though the yard is no longer in active production) remain a vital reference for original specifications and hull lines.

The Verdict

The Royal Corinthian OD is a "purist’s" sailboat—a vessel that demands a commitment to traditional maintenance but rewards its owner with an unmatched aesthetic and a storied racing pedigree.

Pros:

  • Timeless Aesthetics: One of the most beautiful classic silhouettes on the British East Coast.
  • Exceptional Stability: A heavy, predictable hull that handles heavy air with grace.
  • Elite Heritage: Entry into an exclusive community of sailors at one of the UK’s most prestigious clubs.

Cons:

  • High Maintenance: Requires significant annual upkeep common to vintage wooden hulls.
  • Limited Versatility: As an open day-racer, it lacks any accommodation for overnighting or cruising.
  • Niche Market: Resale is largely confined to the Essex region and classic boat enthusiasts.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x —
Ballast
-
Displacement
1800 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
22.5 ft
Waterline Length (LWL)
17 ft
Beam
6.08 ft
Draft
3.5 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
226 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
24.43
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
163.56
Comfort Ratio
13.46
Capsize Screening Formula
2
Hull Speed
5.52 kn