The Cheoy Lee Offshore 50 stands as a definitive monument to the era when fiberglass began to replicate the soul of traditional timber. Designed by the esteemed firm of John G. Alden (Design No. 998) and launched in the late 1960s, the Offshore 50 was the flagship of the yard's sailing fleet, embodying a "go-anywhere" philosophy wrapped in the ornate Burmese teak that made the Hong Kong shipyard famous. Unlike the smaller, more nimble Offshore 31 or 40, the 50 was conceived as a true blue-water residence, offering a level of displacement and stability intended for transoceanic passages. The hull is a heavy, solid-laminate GRP structure, yet the aesthetic remains strictly classic, featuring a long keel, a graceful spoon bow, and a traditional ketch rig that splits the sail area for manageable short-handed sailing.
Cheoy Lee Offshore 50 Information, Review, Specs
- Make
- Cheoy Lee
- Model
- Offshore 50
- Builder
- Cheoy Lee Shipyard
- Designer
- Alden & Associates
- Number Built
- 12
- Production Year(s)
- 1966 - ??
Sailing Performance & Handling
The Offshore 50 is a quintessential heavy-displacement cruiser, weighing in at approximately 45,000 to 50,000 pounds depending on the specific load-out. This mass, combined with a full keel and a deep forefoot, results in a vessel that prioritizes directional stability and sea-kindliness over raw speed or agility. In a blow, the Offshore 50 finds its rhythm, utilizing its momentum to power through head seas that would toss lighter modern yachts. Owners often report that the boat "tracks as if on rails," requiring minimal input from the helm or autopilot once the ketch rig is balanced.
The sail area-to-displacement ratio is relatively low, meaning the boat requires a stiff breeze—typically 12 knots or more—to truly wake up. However, the ketch configuration offers immense versatility for blue-water sailors. By flying a "jib and jigger" (headsail and mizzen) combination, the crew can maintain control and comfort in heavy weather while keeping the center of effort low and centered. While it is not a "pointing" boat and will not win windward races against modern fin-keeled designs, its ability to carry sail comfortably in 25-knot gusts makes it a formidable passage-maker. Detailed technical specifications and original design renderings can be found via the Cheoy Lee Association, which serves as the primary repository for this model's historical data.
Interior Comfort & Variations
The interior of the Offshore 50 is a masterclass in traditional joinery, famously finished in an abundance of hand-rubbed Burmese teak. The layout was largely centered around the "Great Cabin" concept pioneered by Alden, featuring a sprawling master suite aft with a private head. Because Cheoy Lee operated with a high degree of customization during this period, several variations exist. Some models feature a mid-ships cockpit, while others utilize a more traditional aft-cockpit arrangement that emphasizes a large, open main saloon.
Headroom is generous throughout, usually exceeding 6'4", and the ventilation is provided by heavy bronze opening ports and large butterfly hatches, which are iconic features of the model. The galley is typically U-shaped for security at sea, situated near the companionway for easy communication with the helm. Sibling models, such as the Offshore 47 (also an Alden design) and the Clipper 48 (a Luders design), offer similar aesthetic finishes but lack the sheer volume and "ship-like" feel of the 50’s 14-foot beam.
Known Issues & Buyer’s Checklist
Prospective buyers of an Offshore 50 must approach the vessel with an understanding of 1970s construction techniques. While the hulls are notoriously overbuilt, the integration of wood and fiberglass presents specific maintenance challenges.
- Teak Deck Longevity: Most Offshore 50s were built with thick teak decks fastened over a fiberglass sub-deck. Over decades, the thousands of screw holes can become conduits for fresh water, leading to core saturation in the sub-deck. Any "soft spots" felt underfoot are a sign of significant repair costs.
- Chainplate Corrosion: The stainless steel chainplates are often glassed into the hull or hidden behind teak cabinetry. Crevice corrosion is a known risk in these un-inspected areas, and replacement often requires surgical removal of interior joinery.
- Fuel and Water Tanks: Many units were originally equipped with "black iron" fuel tanks or stainless water tanks that may be reaching the end of their service life. Given the boat's intricate interior, replacing these tanks often involves "cutting" through the cabin sole or removing the engine.
- Spruce Spars: While many have been retrofitted with aluminum, original Offshore 50s often featured hollow spruce masts. These require meticulous varnishing and inspection for rot at the spreaders and mast base.
Community & Resources
The primary hub for technical support is the Cheoy Lee Association, a high-authority site that hosts an extensive library of original brochures, owner manuals, and a registry of surviving hulls. This group is essential for owners seeking to source period-correct bronze hardware or understand the specific layup schedules used at the Penny's Bay shipyard.
The Verdict
The Cheoy Lee Offshore 50 is a "purist’s" yacht, designed for the sailor who values the aesthetic of a classic wooden boat but desires the structural longevity of fiberglass. It is a vessel meant for the horizon, not the harbor, rewarding its owner with a sense of security and a timeless silhouette that commands respect in any marina.
Pros:
- Exceptional Sea-kindliness: Heavy displacement and a full keel provide a comfortable motion in heavy seas.
- World-Class Joinery: The interior craftsmanship is of a caliber rarely seen in modern production boats.
- Versatile Rig: The ketch rig allows for numerous sail combinations to suit varying wind conditions.
Cons:
- High Maintenance: Extensive teak brightwork and "teak-over-glass" decks require constant attention.
- Slow in Light Air: The boat’s weight and wetted surface area make it sluggish in light winds.
- Complex Systems Access: The heavy-duty construction can make accessing tanks and plumbing a logistical challenge.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- 14000 lbs
- Displacement
- 34000 lbs
- Water Capacity
- 150 gal
- Fuel Capacity
- 170 gal
Dimensions
- Length Overall (LOA)
- 50.33 ft
- Waterline Length (LWL)
- 34.67 ft
- Beam
- 13.16 ft
- Draft
- 6.5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Ketch
- P (Main Luff)
- 47.3 ft
- E (Main Foot)
- 19.03 ft
- I (Foretriangle Height)
- 52.66 ft
- J (Foretriangle Base)
- 17.5 ft
- Forestay Length (est)
- 55.49 ft
- Sail Area
- 1154 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 17.59
- Ballast / Displacement Ratio
- 41.18
- Displacement / Length Ratio (D/L) Ratio
- 364.22
- Comfort Ratio
- 43.13
- Capsize Screening Formula
- 1.63
- Hull Speed
- 7.89 kn