Bruce Roberts 50 (Henry Morgan) — Information, Review, Specs

Approximate drawing

Hover a measurement to read its value

The Bruce Roberts 50, specifically the "Henry Morgan" variant, is a quintessential bluewater cruiser designed by Bruce RobertsGoodson to satisfy the demands of longrange ocean voyaging. Unlike the more modern finkeel production yachts, the Henry Morgan 50 is part of the designer's "Classic" series, characterized by traditional lines, a clipper bow, and a robust canoe stern. This design was created to be constructed in several materials, including steel, aluminum, and fiberglass (GRP), making it a popular choice for both professional yards and highly skilled amateur builders. At 50 feet with a generous 16foot beam, it represents a substantial commitment to interior volume and structural safety over sheer speed, adhering to a design philosophy that prioritizes the "Seven Seas" capability over weekend racing performance.

Measurements

Dimensions 01

Length overall
Length on deck
Waterline length
Beam
Draft
Maximum headroom
Air draft

Construction & hull 02

Construction
Hull type
Keel type
Ballast
Displacement
Water capacity
Fuel capacity

Rig & sails 03

Rig type
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay length (estimated)
Sail area

Calculations 04

Sail area to displacement ratio
Ballast to displacement ratio
Displacement to length ratio
Comfort ratio
Capsize screening formula
Hull speed

Sailing Performance & Handling

The sailing characteristics of the Henry Morgan 50 are defined by its significant displacement, which typically hovers around 25,000 kg (approximately 55,000 lbs). With a Displacement/Length (D/L) ratio likely exceeding 270, it sits firmly in the "Heavy Cruiser" category. This weight, combined with a full or long keel, ensures a remarkably kindly motion in a seaway, minimizing the "hobby-horsing" and sharp movements common in lighter hulls. Owners often report that the boat feels like a "tank" on the water—slow to accelerate in light air but nearly unstoppable once it gains momentum.

Handling the Henry Morgan 50 requires an understanding of its conservative sail plan, which is most commonly configured as a ketch or a cutter. This split-rig arrangement allows for a wide variety of sail combinations, making it easier to balance the boat in heavy weather by dropping the mainsail and sailing under jib and mizzen. While the boat may lack the pointing ability of a modern sloop, its ability to track straight and hold a course is exceptional, significantly reducing the strain on autopilots or windvane steering during long offshore passages.

Interior Comfort & Variations

The sheer volume of the Henry Morgan 50 hull provides a platform for some of the most expansive interiors found on a 50-foot vessel. Because many were built from plans or semi-custom kits, the interior configurations vary wildly. However, a common professional layout, such as those built by G.T. Boatbuilders in Brisbane, often features a three-cabin, two-head arrangement with a large raised pilothouse or a central salon that utilizes the boat’s 16.1-foot beam.

The interior experience is defined by headroom that often exceeds 6.5 feet throughout the main salon. Traditional materials like Brazilian mahogany or teak were frequently used to finish the cabinetry, giving the boat a classic "gentleman’s yacht" aesthetic. Variations of the design include the "Canoe Stern 50" and the slightly larger Roberts 532, which evolved from the original Roberts 53 hull. For liveaboards, the Henry Morgan 50 is prized for its tankage, often carrying over 2,000 liters of both fuel and freshwater, which is significantly higher than most production cruisers of its size.

Known Issues & Buyer’s Checklist

Prospective buyers must approach the Henry Morgan 50 with a rigorous inspection protocol, primarily because Bruce Roberts designs were available as plans for home builders.

  • Build Integrity: The single most important factor is the pedigree of the builder. Professionally built fiberglass hulls are generally robust, but amateur-welded steel versions must be ultrasonically tested for hull thickness and weld integrity, particularly around the chainplates and the keel-to-hull joint.
  • Steel Corrosion: For steel versions, the "bilge-to-coachroof" inspection is critical. Check for rust "bleeding" behind insulation or under the flooring, as internal corrosion is often more dangerous than external pitting.
  • Hydraulic Systems: Many of these boats utilize hydraulic steering and heavy-duty windlasses. These systems are prone to leaks and require specialized maintenance that can be expensive in remote cruising locations.
  • Rudder Aperture: Some early Roberts designs had tight tolerances around the propeller aperture and rudder. Check for signs of electrolysis on the rudder pintles and ensure the propeller has adequate clearance to avoid vibration.

Community & Resources

The Bruce Roberts community is one of the largest in the yachting world due to the sheer number of plans sold globally. The Bruce Roberts Designs official site remains the primary technical resource for original plan data and modification advice. While there is no single "Henry Morgan Association," technical support and owner archives are often maintained through regional groups like the Bruce Roberts Owners Group (BROG) or through technical wikis shared by blue-water cruising forums.

The Verdict

The Bruce Roberts 50 (Henry Morgan) is an unapologetic "forever boat" for the serious voyager who values safety and living space above all else.

Pros:

  • Seaworthiness: A heavy, stable platform that excels in heavy weather.
  • Liveaboard Space: Massive interior volume with headroom rarely seen in this class.
  • Fuel/Water Capacity: Built-in tankage designed for transoceanic range.
  • Value: Often provides more "boat per dollar" than production European cruisers.

Cons:

  • Light Air Performance: Requires a stiff breeze to move efficiently.
  • Build Variance: Quality is highly dependent on the original builder; requires extensive surveying.
  • Maneuverability: Long keel and high windage make docking in tight marinas a challenge without a bow thruster.

Similar sailboats

12 comparable designs · similar LOA, displacement & rig