Grampian 26 CB Information, Review, Specs

Make
Grampian
Model
26 CB
Builder
Grampian Marine
Designer
Alex McGruer
Number Built
Production Year(s)
1967 - 1977

The Grampian 26 CB (Centerboard) represents the versatile, shallow-draft evolution of one of Canada’s most prolific fiberglass cruising yachts. Designed by Alex McGruer and produced during the peak of Grampian Marine’s success in Oakville, Ontario, the 26 series became a staple of the Great Lakes and the North American East Coast. While the standard fixed-keel version was celebrated for its stability and interior volume, the Centerboard variant was specifically engineered to broaden the boat’s cruising grounds, allowing sailors to navigate thin waters and tuck into gunkholes inaccessible to many of its peers in the 26-foot class. With nearly 1,000 units produced across the total 26-foot model line between 1967 and 1977, this vessel is frequently credited with democratizing family cruising for a generation of North American sailors.

Sailing Performance & Handling

The Grampian 26 CB is characterized by its "stiff" and predictable behavior under sail, a trait inherited from its heavy displacement-to-length ratio. Weighing approximately 5,600 lbs with nearly 46% of that weight dedicated to ballast (roughly 2,600 lbs), the boat remains upright longer than many modern light-displacement cruisers of the same length. The centerboard configuration provides a unique performance profile: with the board fully retracted, the boat draws only 3 feet, facilitating easy trailering and shallow-water exploration. When the board is lowered to its full depth of approximately 6' 6", it provides the necessary lateral resistance to improve upwind tracking and reduce leeway.

In terms of feel, the Grampian 26 is often described as a "tractor" of the sea—it is not exceptionally fast in light air due to its substantial wetted surface, but it excels when the wind picks up. According to technical archives maintained by the Grampian Owners Marina, the boat’s masthead sloop rig is easily managed, though the relatively large mainsail requires early reefing (typically around 15-18 knots) to maintain optimal balance. The rudder, while robust, can feel heavy if the boat is over-canvassed, making sail trim essential for comfortable handling.

Interior Comfort & Variations

The defining characteristic of the Grampian 26 interior is its remarkable 6-foot headroom, an architectural feat for a 26-foot boat designed in the late 1960s. This vertical space, combined with an 8' 4" beam, creates a cabin that feels significantly larger than its competitors, such as the Tanzer 26 or the Pearson 26. The layout is a classic four-to-five berth configuration, featuring a V-berth forward, a private head (typically to port), and a main salon with a dinette that converts into a double berth.

The Centerboard version differs slightly from the fixed-keel sibling due to the presence of the centerboard trunk. In the CB model, the trunk is integrated into the cabin sole and dinette structure, which slightly occupies floor space but is cleverly disguised within the furniture. Materially, the interiors were finished with a mix of molded fiberglass liners and teak accents, emphasizing durability over luxury. Grampian also produced the "Discovery 7.9" in the company's later years, which utilized a similar hull form but featured an updated interior and deck mold, though the original McGruer 26 remains the most iconic iteration of the hull.

Known Issues & Buyer’s Checklist

Prospective buyers of a Grampian 26 CB should prioritize the inspection of the centerboard trunk and lifting mechanism. Because these boats are now several decades old, the wire pennant used to raise the board is prone to fraying and corrosion; if it snaps while the board is retracted, repair can be difficult without a specialized haul-out. Additionally, the pivot pin for the centerboard can wear over time, leading to an audible "clunk" while at anchor or under sail.

Deck integrity is another critical area. Grampian used balsa-coring in the decks, and like many yachts of this era, moisture can ingress through improperly sealed deck hardware (cleats, stanchions, or the mast step). Soft spots in the cockpit sole or side decks are high-signal indicators of core delamination. Buyers should also inspect the "Grampian Smile"—a hairline crack that can develop at the leading edge of the keel-to-hull joint, though on the CB model, this is less structurally threatening than on the deep-keel version. Lastly, the original iron ballast was encapsulated in fiberglass; any signs of "bleeding" or rust streaks from the keel area suggest that the encapsulation has been breached.

Community & Resources

The Grampian 26 enjoys one of the most robust legacy communities in Canadian yachting. The primary hub for technical data, original brochures, and restoration logs is the Grampian Owners Marina, a volunteer-run association that has digitized much of the factory’s original documentation. Their archives are essential for owners seeking to source replacement parts or understand the original wiring and plumbing schematics.

The Verdict

The Grampian 26 CB is an ideal entry-level cruiser for sailors who value interior volume and shallow-water versatility over raw racing speed. It is a forgiving, stoutly built vessel that rewards simple maintenance with decades of reliable service.

Pros:

  • Exceptional 6-foot headroom rarely found in 26-foot vintage boats.
  • Shallow 3-foot draft (board up) allows for versatile cruising and easier docking.
  • High ballast ratio provides a stable, safe platform for family sailing.
  • Active owner community provides a wealth of shared technical knowledge.

Cons:

  • Heavy displacement makes it sluggish in light winds and less competitive in PHRF racing.
  • The centerboard trunk requires additional maintenance compared to fixed-keel models.
  • Aging balsa-cored decks frequently require moisture remediation.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x Spade
Ballast
2600 lbs
Displacement
5600 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
26 ft
Waterline Length (LWL)
21.75 ft
Beam
8.33 ft
Draft
6.5 ft
Max Headroom
6 ft
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
28 ft
E (Main Foot)
11.1 ft
I (Foretriangle Height)
33 ft
J (Foretriangle Base)
10.3 ft
Forestay Length (est)
34.57 ft
Sail Area
325 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
16.49
Ballast / Displacement Ratio
46.43
Displacement / Length Ratio (D/L) Ratio
242.98
Comfort Ratio
22.32
Capsize Screening Formula
1.88
Hull Speed
6.25 kn