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Grampian 28
Designer: Rolf Van Der Sleen  ·  Builder: Grampian Marine Ltd. (Can)  ·  First built: 1975
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About the Grampian 28

Built during the 1970s by Grampian Marine in Canada, this 28-footer emerged during an era when practical family cruising sailboats were gaining popularity among recreational sailors. The Grampian 28 represents the builder's commitment to creating affordable, seaworthy vessels designed primarily for coastal cruising and weekend adventures. While detailed specifications remain limited, the boat follows Grampian Marine's established design philosophy of prioritizing stability, comfort, and ease of handling over pure performance. The hull design emphasizes seaworthiness rather than speed, making it well-suited for new sailors or families seeking a reliable platform for exploring protected waters and near-coastal regions. Grampian Marine built a reputation for constructing solid fiberglass boats that could withstand the rigors of sailing in Canadian waters, and the 28-footer carries forward this tradition of robust construction. The cockpit and cabin layout were designed with practicality in mind, offering reasonable accommodations for short-term cruising while maintaining manageable proportions for a small crew. For sailors seeking an unpretentious cruising boat with proven seaworthiness, the Grampian 28 offers the kind of straightforward sailing experience that builds confidence on the water.

Core Dimensions
LOA (Length Overall) 28.00 ft / 8.53 m
LWL (Waterline Length) 24.50 ft / 7.47 m
Beam 9.50 ft / 2.90 m
Max Draft 4.83 ft / 1.47 m
Displacement 6,900.00 lb / 3,130 kg
Ballast 3,060.00 lb / 1,388 kg
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Rolf van der Sleen
Builder Grampian Marine Ltd. (CAN)
First Built 1975
Number Built 107
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
198
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
44.35
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
209.46
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 4.99 pounds/inch
Rig Dimensions
I (Foretriangle Height) 17.00
J (Foretriangle Base) 12.00 ft / 3.66 m
P (Mainsail Luff) 384.00 ft² / 35.67 m²
E (Mainsail Foot) Volvo
Engine & Accommodations
Fuel Capacity 20 gals / 76 L
Water Capacity 20 gals / 76 L
How It Compares

vs. Coronado 28, Pearson 28 1975 80, S2 85

This boat Similar boats
Dimensions
LOA
Grampian 28 ★
28.0 ft
Coronado 28
28.0 ft
Pearson 28 1975 80
28.0 ft
S2 85
28.0 ft
LWL
Grampian 28 ★
24.5 ft
Coronado 28
22.2 ft
Pearson 28 1975 80
24.0 ft
S2 85
22.5 ft
Beam
Grampian 28 ★
9.5 ft
Coronado 28
8.5 ft
Pearson 28 1975 80
9.3 ft
S2 85
9.5 ft
Displacement
Grampian 28 ★
6 lbs
Coronado 28
6 lbs
Pearson 28 1975 80
7 lbs
S2 85
7 lbs
Ballast
Grampian 28 ★
3 lbs
Coronado 28
2 lbs
Pearson 28 1975 80
3 lbs
S2 85
3 lbs
Performance
PHRF Rating (lower = faster)
Grampian 28 ★
198 s/nm
Coronado 28
216 s/nm
Pearson 28 1975 80
S2 85
Ballast / Disp (higher = stiffer)
Grampian 28 ★
44.4 %
Coronado 28
41.2 %
Pearson 28 1975 80
45.0 %
S2 85
39.5 %
Displacement / Length (lower = lighter)
Grampian 28 ★
209
Coronado 28
278
Pearson 28 1975 80
253
S2 85
297
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