Stag 28 Information, Review, Specs

Stag 28 Drawing
Make
Stag
Model
28
Builder
Emsworth Shipyard
Designer
Peter Milne
Number Built
50
Production Year(s)
1976 - 1980

The Stag 28 is a distinctive British cruiser designed in 1976 by Peter Milne, a naval architect best known for high-performance dinghies like the Fireball. Commissioned by Salterns Yacht Agency and primarily built at the Emsworth Shipyard, the Stag 28 was conceived as a premium alternative to the mass-produced family cruisers of the era, such as the Westerly Centaur. With an interior designed by Edwin Meayers—who brought experience from the superyacht sector—the vessel was intended to offer "big boat" luxury and headroom within a 28-foot hull. Approximately 50 to 100 units were produced before rising construction costs, which resulted from its high-quality joinery and robust layup, made the model uncompetitive against cheaper French imports in the early 1980s.

Sailing Performance & Handling

With a displacement-to-length ratio of approximately 223, the Stag 28 is categorized as a moderate-displacement cruiser that prioritizes sea-kindliness over raw light-wind speed. Its masthead sloop rig is relatively conservative; however, the hull’s dinghy-inspired pedigree from Peter Milne gives it a level of responsiveness not always found in its contemporaries. According to owner technical manuals and sailing reports found at Troppo, the boat is notably tender in its initial degrees of heel. It typically heels readily to about 15 degrees before the form buoyancy of the hull takes effect, after which it settles into a stable "groove."

The Stag 28 was produced with two primary underwater profiles: a fixed shallow fin keel and a lifting centerboard variant. The fin keel version offers superior windward performance and greater stiffness, while the centerboard version—featuring a 20mm steel plate—allows for a versatile draft ranging from 3' 1" to 6' 11". Under power, the original 13hp Volvo Penta MD7A engines were often considered underpowered for punching into a steep headsea, a common critique in Yachtsnet archive reviews. Many hulls have since been upgraded to 16–20hp modern diesels to improve reliability and motoring performance.

Interior Comfort & Variations

The interior of the Stag 28 is its most celebrated feature, often described as "civilized" and far removed from the utilitarian GRP-heavy cabins of the 1970s. The design brief required a minimum headroom of 6' 2", a feat achieved without making the exterior profile appear excessively high. The cabinetry is traditionally finished in light ash or teak, with almost no exposed fiberglass visible in the main living areas.

The standard layout provides five or six berths: a double V-berth in the forecabin, a convertible double and single in the saloon, and a large quarter berth to starboard. A key variation between hulls often involves the galley and heads arrangement; some owners have modified the original charcoal or gas heating systems. The separate heads compartment is surprisingly spacious for a 28-foot boat, reflecting the designer's focus on long-term coastal cruising comfort.

Known Issues & Buyer’s Checklist

Prospective buyers should focus on several model-specific technical areas that have emerged in the decades since production:

  • Rudder Integrity: The transom-hung rudder is a known weak point. There are documented cases of the original GRP rudders cracking or failing near the waterline under heavy load. Many owners have replaced these with rudders featuring aluminum cores or additional reinforcement.
  • Lifting Keel Mechanism: On centerboard models, the 24mm stainless steel pivot pin and the lifting tackle should be inspected for wear. The steel centerplate is prone to corrosion if the epoxy coating has failed, which can lead to it jamming in the keel stub.
  • Deck and Hull Joint: The deck-to-hull joint is through-bolted and sealed with mastic. Over time, this mastic can dry out, leading to leaks that affect the interior woodwork.
  • Engine Serviceability: If the boat still carries the original Volvo MD7A, check for cooling passage blockages common in raw-water cooled engines of this age.

Community & Resources

The primary hub for technical data and owner collaboration is the Stag 28 Groups.io community, which maintains a repository of the original builder’s manuals and specific maintenance guides for the lifting keel. While the broader Stag Owners Club is primarily focused on the Triumph Stag automobile, the sailing community remains active through localized UK east and south coast associations.

The Verdict

The Stag 28 is a "sailor’s cruiser" that offers a significant step up in build quality and interior aesthetics compared to the era’s budget-friendly alternatives. While it requires early reefing due to its initial tenderness, it rewards the owner with a refined living space and dependable offshore handling.

Pros:

  • Exceptional headroom (6' 2"+) and high-quality wood-finished interior.
  • Responsive handling and good tracking once settled on a heel.
  • Versatile draft options, particularly with the lifting keel variant.

Cons:

  • Initial tenderness requires proactive sail management.
  • Potential for significant rudder failure if the original unit has not been reinforced.
  • Original 13hp engines are often inadequate for heavy coastal conditions.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Transom-Hung
Ballast
2800 lbs (Iron)
Displacement
7500 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
28 ft
Waterline Length (LWL)
24.67 ft
Beam
9.83 ft
Draft
4.42 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
285 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
11.9
Ballast / Displacement Ratio
37.33
Displacement / Length Ratio (D/L) Ratio
223
Comfort Ratio
21.51
Capsize Screening Formula
2.01
Hull Speed
6.66 kn