The Spencer 42 stands as a testament to the mid-century golden age of Canadian yacht design, emerging from the Vancouver-based Spencer Boats Ltd. yard as a formidable blue-water contender. Designed by the renowned naval architect John Brandlmayr, the 42 was a natural evolution of the builder's earlier successes with the Spencer 35. While the 35 proved that fiberglass could be used to build a seaworthy offshore vessel, the Spencer 42 was intended for the serious cruiser who required more volume, a longer waterline, and the capability to sustain high average speeds during ocean passages. Produced primarily in the late 1960s and early 1970s, the model became a staple in the Pacific Northwest and beyond, often recognized by its distinctive Brandlmayr lines, which include a slightly reversed transom and a powerful, high-volume hull.
Spencer 42 Information, Review, Specs

- Make
- Spencer
- Model
- 42
- Builder
- Spencer Boats Ltd.
- Designer
- John Brandlmayr
- Number Built
- 26
- Production Year(s)
- 1965 - 1983
The 42-foot hull was a versatile platform for the yard. It is technically the direct predecessor to the Spencer 44; the later model utilized the same basic hull mold but featured an extended, more graceful stern. Furthermore, the Spencer 42 was offered in both aft-cockpit and center-cockpit configurations. Because Spencer Boats often sold hulls and decks for owner-completion—a common practice for the era to avoid luxury taxes and lower the entry price—the interior finish and deck hardware can vary significantly from one hull to the next.
Sailing Performance & Handling
The Spencer 42 is defined by its "all-weather" composure, a trait inherited from Brandlmayr's preference for a modified full keel with a cutaway forefoot. This underwater profile allows the boat to track exceptionally well in heavy seas, reducing the workload on the helmsman or windvane steering, while the cutaway section provides a degree of maneuverability that a traditional full-keel boat lacks. Owners often report that the boat feels "locked in" when reaching, a characteristic supported by its significant displacement-to-length ratio, which places it firmly in the heavy-displacement category.
Under sail, the boat’s motion is predictable and sea-kindly. While it may not be a light-air flyer, the 42 carries its momentum through chop with minimal pounding. Many hulls were rigged as ketches, a popular choice during the late 60s for its ability to break the sail plan into manageable pieces for a short-handed crew. In high winds, dropping the mainsail and sailing under "jib and jigger" (staysail/genoa and mizzen) allows the Spencer 42 to maintain balance and steerage without excessive heel. The boat's stability is further enhanced by its iron or lead ballast, which is typically encapsulated within the fiberglass keel stub, eliminating the worry of keel bolt failure common in more modern designs.
Interior Comfort & Variations
Below deck, the Spencer 42 reflects the "semi-custom" nature of the Spencer yard. Standard factory-finished models typically featured a traditional layout with a V-berth forward, followed by a head and hanging lockers. The salon usually employed a U-shaped dinette or opposing settees, with a heavy emphasis on solid teak or mahogany joinery. Because many of these vessels were finished by their original owners, the craftsmanship ranges from basic "workboat" utility to exquisite, furniture-grade cabinetry.
The center-cockpit (CC) version is particularly notable for its dedicated aft cabin. Unlike many modern 42-footers that cram a cabin under a cockpit, the Spencer 42 CC often utilizes the hull's depth to provide a distinct, private suite, though the passage through the galley or a walkthrough can be tight. Headroom is generally excellent, often exceeding 6'4" in the main salon, catering to the taller demographics of the Pacific Northwest. Ventilation and light are provided by a mix of fixed portlights and overhead hatches, which were often over-engineered to withstand the boarding seas of a North Pacific crossing.
Popular Mentions & Media
The Spencer 42 gained significant regional fame through its association with offshore racing and cruising in the Pacific Northwest. According to the Royal Vancouver Yacht Club, John Brandlmayr’s designs, including the Spencer series, were pivotal in the development of the local racing fleet. The Spencer 42 "Whisper" is often cited in local maritime lore as a prime example of the model's durability, having participated in numerous Swiftsure International Yacht Races—a grueling test of endurance in the Juan de Fuca Strait. The model’s reputation as a "bulletproof" cruiser has also made it a recurring subject in regional publications like Pacific Yachting, which has historically profiled the Spencer line as a gold standard for Canadian boatbuilding history.
Known Issues & Buyer’s Checklist
Prospective buyers of a Spencer 42 should approach the vessel as a "heritage" project, focusing on the core structural elements.
- Deck Delamination: Like many boats of this era, Spencer utilized a balsa or plywood core for the decks. After 50 years, moisture ingress through poorly bedded deck hardware is common. A percussion test (tapping) or moisture meter reading is essential.
- Owner-Finished Variations: Because many were kit boats, the electrical wiring and plumbing may not meet modern ABYC standards. A "spaghetti" of old wiring is a frequent find and usually requires a total refit.
- Encapsulated Ballast: While the lack of keel bolts is a plus, any significant grounding can breach the fiberglass skin of the keel. If water enters the ballast area, it can cause the internal iron to swell and crack the fiberglass.
- Chainplates: The stainless steel chainplates are often glassed into the hull or hidden behind cabinetry. These are prone to crevice corrosion and should be inspected or replaced if their history is unknown.
- Engine Access: In the center-cockpit models, engine access is usually through a side panel in the walkthrough or via the cockpit sole. Inspect for oil spray and signs of neglected maintenance in these cramped spaces.
Community & Resources
The primary hub for technical data and owner support is the Spencer Yacht Owners Group (SYOG). This informal association maintains a repository of original Brandlmayr drawings, sail plans, and modification logs. While the group does not maintain a high-traffic public website, they are active through mailing lists and regional meetups in British Columbia and Washington State. Technical documentation for the older Spencer models is also occasionally preserved in the archives of the Vancouver Maritime Museum, which recognizes the builder's historical significance to the region.
The Verdict
The Spencer 42 is a "sailor’s sailboat," designed for those who value structural integrity and sea-kindliness over modern amenities like sugar-scoop transoms or dual wheels. It is a vessel that rewards the owner who is willing to invest in a refit, providing a platform that can safely transit the most challenging latitudes.
Pros:
- Exceptional Seaworthiness: A heavy-displacement hull that handles rough water with ease.
- Robust Construction: Thick fiberglass laminates and encapsulated ballast provide peace of mind.
- Aesthetic Appeal: Classic John Brandlmayr lines that remain elegant decades later.
- Interior Volume: High headroom and a wide beam make it a viable liveaboard.
Cons:
- Refit Requirements: Most examples require significant updates to electrical and plumbing systems.
- Performance in Light Air: The heavy hull and high wetted surface area necessitate motoring in light winds.
- Variable Finish Quality: The "kit boat" history means buyers must carefully vet the quality of the interior joinery.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- 8000 lbs (Lead)
- Displacement
- 19000 lbs
- Water Capacity
- 70 gal
- Fuel Capacity
- 80 gal
Dimensions
- Length Overall (LOA)
- 42.25 ft
- Waterline Length (LWL)
- 30 ft
- Beam
- 11.33 ft
- Draft
- 6 ft
- Max Headroom
- 6.5 ft
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 39.75 ft
- E (Main Foot)
- 18.5 ft
- I (Foretriangle Height)
- 46.5 ft
- J (Foretriangle Base)
- 16.25 ft
- Forestay Length (est)
- 49.26 ft
- Sail Area
- 755 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 16.96
- Ballast / Displacement Ratio
- 42.11
- Displacement / Length Ratio (D/L) Ratio
- 314.15
- Comfort Ratio
- 34.39
- Capsize Screening Formula
- 1.7
- Hull Speed
- 7.34 kn