RL 28 Information, Review, Specs

RL 28 Drawing
Make
RL
Model
28
Builder
Rob Legg Yachts
Designer
Rob Legg
Number Built
Production Year(s)
1978 - ??

The RL 28 stands as a landmark achievement in Australian naval architecture, representing the upper limit of what is technically and legally feasible for a trailerable yacht. Designed by Rob Legg in the late 1970s, the RL 28 was envisioned as a "pocket cruiser" that offered the internal volume and stability of a fixed-keel yacht while maintaining the versatility of a centerboarder. With a length overall of 8.5 meters (28 feet), it challenged the convention that large cruising boats must be permanently moored. The hull is characterized by a relatively flat run aft and a generous beam, which not only provides significant initial stability but also creates a spacious platform for family coastal cruising. During its production run from the late 1970s through the mid-1980s, the RL 28 became a favorite for sailors in the Whitsundays and the Gippsland Lakes, proving that a boat capable of being towed by a heavy-duty vehicle could still cross open stretches of water with confidence.

Sailing Performance & Handling

The RL 28 is a performance-oriented cruiser that benefits from the light-displacement philosophy Rob Legg refined with the earlier RL 24. It utilizes a ballasted swing keel, which provides a low center of gravity when deployed but allows the boat to navigate shallow estuaries or be winched onto a custom trailer when retracted. Under sail, the boat is surprisingly nimble for its size; however, its high freeboard and light displacement mean it can be sensitive to gusty conditions.

In moderate air, the RL 28 tracks well, though its helm provides significant feedback, requiring active trimming to maintain balance. Because of its generous sail area-to-displacement ratio, it excels in light-to-medium breezes, often outperforming heavier fixed-keel cruisers of similar length. When the wind exceeds 15-18 knots, early reefing is recommended to manage the boat's heel and maintain control. Owner accounts often highlight its "sea-kindliness" in coastal chops, though it is fundamentally a coastal vessel rather than a blue-water passage maker. The ability to retract the keel is a tactical advantage, allowing the skipper to reduce drag off the wind or "crab" into shallow anchorages that are inaccessible to deeper-draft vessels.

Interior Comfort & Variations

One of the RL 28’s primary selling points is its extraordinary interior volume, which was revolutionary for a trailerable boat in its era. The cabin provides genuine standing headroom—approximately 1.85 meters (6’1”)—a feat achieved through a clever combination of a deep floor molding and a raised coachroof. The standard layout typically includes a V-berth forward, a central dinette that converts into a double berth, and two quarter berths aft, nominally accommodating six adults, though it is most comfortable for a family of four.

The galley is usually positioned to the starboard side, equipped with a two-burner stove and a sink, while a fully enclosed head compartment—a rare luxury in 1970s trailer sailers—is located between the main saloon and the forward cabin. Rob Legg Yachts utilized extensive fiberglass internal liners, which resulted in a clean, easy-to-maintain aesthetic, accented with teak trim. In terms of variations, while the majority were built as trailerable centerboarders, a small number of fixed-keel versions were produced for owners who did not require road transportability, offering enhanced stiffness at the cost of shallow-water access. The RL 28 was also the logical bridge between the smaller, racing-focused RL 24 and the larger, more ship-like RL 34, sharing the same DNA of practical, light-displacement construction.

Known Issues & Buyer’s Checklist

Prospective buyers of an RL 28 should focus their inspection on the mechanical systems that enable its unique versatility. As these boats are now several decades old, the following areas require specific scrutiny:

  • Keel Pivot and Cable: The swing keel is a massive component. The pivot pin and the stainless steel lifting cable should be inspected for wear and corrosion. A failure in the lifting mechanism can lead to significant hull damage or the inability to trailer the boat.
  • Trailer Integrity: Because the RL 28 is a "maxi" trailer sailer, it requires a specialized, heavy-duty tandem or tri-axle trailer. Inspect the frame for structural rust, especially in the cross-members, and ensure the braking system (typically vacuum or hydraulic) is fully functional and compliant with modern road regulations.
  • Deck Hardware and Core: Like many production boats of this era, the RL 28 uses a sandwich construction for the deck. Check for "soft spots" around the stanchion bases and the mast step, which may indicate water ingress into the balsa or foam core.
  • Outboard Well/Engine Mount: Most RL 28s are powered by an outboard engine, often housed in a cockpit well. Check the transom and the well area for stress fractures or delamination caused by the weight and vibration of modern four-stroke engines, which are often heavier than the two-strokes of the 1980s.

Community & Resources

The legacy of the RL 28 is maintained by a dedicated group of enthusiasts, largely centered in Australia. Technical support and historical data are often shared through the RL24 Owners Association, which, while primarily focused on the 24-foot sibling, remains the definitive resource for Rob Legg’s design specifications and construction methods. The association hosts regular events and maintains an archive of original brochures and tuning guides that are invaluable for restorers.

The Verdict

The RL 28 remains a unique proposition for the cruising sailor who refuses to be tethered to a single marina. It successfully bridges the gap between a portable day-boat and a legitimate coastal cruiser.

Pros:

  • Unrivaled Volume: Exceptional headroom and living space for a trailerable boat.
  • Versatility: The swing keel allows for both highway transport and shallow-water exploration.
  • Performance: Capable and fast in light-to-moderate conditions.
  • Robust Community: Active owner support and a wealth of shared technical knowledge.

Cons:

  • Towing Requirements: Requires a powerful vehicle (typically a large SUV or truck) and a high degree of skill to tow safely.
  • Age-Related Maintenance: Buyers must be prepared to address aging keel mechanisms and deck cores.
  • Weight Sensitivity: Performance and safety can be impacted if overloaded with heavy cruising gear.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Wing
Rudder
1x —
Ballast
-
Displacement
2998 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
28.02 ft
Waterline Length (LWL)
23.62 ft
Beam
7.91 ft
Draft
4.76 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

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

Calculations

Sail Area / Displacement (SA/D) Ratio
19.08
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
101.56
Comfort Ratio
11.82
Capsize Screening Formula
2.19
Hull Speed
6.51 kn