Cheoy Lee Alden 50 Information, Review, Specs

Cheoy Lee Alden 50 Drawing
Make
Cheoy Lee
Model
Alden 50
Builder
Cheoy Lee Shipyard
Designer
Alden
Number Built
10
Production Year(s)
1967 - ??

The Cheoy Lee Alden 50 represents a prestigious intersection of American naval architecture and Eastern craftsmanship. Designed by the esteemed firm of John G. Alden and built by the Lo family at the Cheoy Lee Shipyard in Hong Kong, this vessel was conceived as a premier blue-water cruiser capable of traversing oceans with both grace and authority. While many of Cheoy Lee’s earlier designs focused on traditional "clipper" aesthetics with heavy ornamentation, the Alden 50 reflects a shift toward the more modern, performance-oriented lines that the John G. Alden office became famous for in the late 20th century. Constructed primarily in the late 1960s and 1970s, the Alden 50 utilized the shipyard’s pioneering work in fiberglass construction while maintaining the extensive teak joinery that defined the brand’s luxury status.

Sailing Performance & Handling

The Alden 50 is a quintessential heavy-displacement cruiser, designed for momentum and sea-kindliness rather than rapid acceleration. With a hull form that emphasizes a long, stable keel and a substantial displacement-to-length ratio, the boat is remarkably "stiff," meaning it resists excessive heeling even in freshening breezes. This translates to a high degree of motion comfort, a critical factor for long-distance cruisers who wish to avoid the fatigue caused by the jerky motions of lighter, modern hulls.

Most Alden 50s were delivered with a ketch rig, a configuration that offers significant advantages for a short-handed crew. By splitting the sail area between two masts, the individual sails are smaller and easier to manage. Furthermore, the ketch rig allows for the "jib and jigger" configuration—sailing under just the headsail and the mizzen—which keeps the boat balanced and manageable in heavy weather. While it may struggle in light air under 8 knots due to its significant wetted surface area, the Alden 50 finds its stride in 15 to 25 knots of wind, where its powerful hull can shoulder through chop without losing speed. Historical data from the Cheoy Lee Association suggests that the boat tracks exceptionally well, requiring minimal input from the helm or autopilot once the sails are properly trimmed.

Interior Comfort & Variations

The interior of the Alden 50 is often described by marine surveyors as a "teak forest," showcasing the shipyard's legendary ability to execute complex woodwork. Because these vessels were built during an era when labor-intensive craftsmanship was a hallmark of Hong Kong yards, the cabin soles, bulkheads, and cabinetry are almost universally rendered in high-grade Burmese teak.

The center-cockpit configuration is the most common layout, which facilitates a sprawling master stateroom aft, often featuring a private head and a dedicated vanity or desk area. The main salon is characterized by deep, comfortable settees and a heavy-duty galley designed for use at sea, featuring deep sinks and secure bracing points for the cook. Several variations exist, including a three-cabin layout for families and a more open two-cabin "owner's version." The Alden 50 shares a strong family resemblance and many architectural DNA markers with its slightly smaller sibling, the Alden 44, and its larger counterpart, the Alden 54. While the 44 was built in higher numbers, the 50 offers significantly more volume in the engine room and aft quarters, making it the preferred choice for those planning multi-year live-aboard voyages.

Known Issues & Buyer’s Checklist

Purchasing a classic Cheoy Lee requires a disciplined inspection of materials that were cutting-edge at the time but are now reaching the end of their service life.

  • Teak Deck Integration: Like many yachts of this era, the teak decks were often fastened with thousands of screws into a balsa or plywood core. Over decades, these screw holes can allow water to migrate into the core, leading to delamination and soft spots. A moisture meter and "percussion testing" (tapping with a phenolic hammer) are essential during survey.
  • "Cheoy Lee Stainless": The shipyard famously manufactured much of its own hardware. While aesthetically pleasing, the stainless steel alloy used in the 1970s is prone to "crevice corrosion" and pitting. Prospective buyers should closely inspect chainplates, stanchion bases, and stem fittings.
  • Black Iron Fuel Tanks: The original fuel tanks were often made of black iron and glassed into the hull or placed in areas with limited ventilation. These are notorious for rusting from the outside in, particularly at the bottom where condensation collects. Replacement is a major undertaking that often requires cutting the cabin sole.
  • Mast Step and Compression: Given the age of these vessels, the area beneath the mast steps should be checked for compression or rot, particularly if the boat has been raced or sailed hard in heavy conditions.

Community & Resources

Owners of these vessels are supported by a robust network of enthusiasts. The most prominent resource is the Cheoy Lee Association, which serves as a technical clearinghouse for original brochures, wiring diagrams, and owner-led restoration logs. Because John G. Alden was a prolific American designer, his archives are also preserved at the MIT Museum, which allows owners to purchase copies of the original construction drawings for their specific hull.

The Verdict

The Cheoy Lee Alden 50 is a "destination" yacht—a vessel for the sailor who values traditional aesthetics and a tank-like build over modern racing speeds. It is a boat that rewards an owner willing to invest in the maintenance of its extensive brightwork and systems with a level of seaworthiness that few modern production boats can match.

Pros:

  • Exceptional Motion Comfort: Heavy displacement and a long keel make for a stable, predictable ride in heavy seas.
  • Masterful Woodwork: The interior joinery is of a quality rarely seen in contemporary boatbuilding.
  • Blue-Water Proven: A long track record of successful circumnavigations and offshore passages.

Cons:

  • High Maintenance: The abundance of teak and aging stainless steel requires constant vigilance and a significant annual budget.
  • Light Air Performance: The heavy hull and ketch rig are inefficient in light winds, often requiring the engine to maintain pace.
  • Complex Systems Access: Some structural components, like fuel tanks and chainplates, can be difficult to access for inspection or replacement.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x Attached
Ballast
11500 lbs
Displacement
34000 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
50.33 ft
Waterline Length (LWL)
34.16 ft
Beam
13.16 ft
Draft
6.5 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Ketch
P (Main Luff)
51.42 ft
E (Main Foot)
19.04 ft
I (Foretriangle Height)
56.7 ft
J (Foretriangle Base)
17.5 ft
Forestay Length (est)
59.34 ft
Sail Area
1156 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
17.62
Ballast / Displacement Ratio
33.82
Displacement / Length Ratio (D/L) Ratio
380.78
Comfort Ratio
43.53
Capsize Screening Formula
1.63
Hull Speed
7.83 kn