LR 20 Information, Review, Specs

Make
LR
Model
20
Builder
La Roche Yacht Ltd.
Designer
D. La Roche
Number Built
210
Production Year(s)
1974 - ??

The LR 20, widely recognized in nautical circles as the Luger 20 (and often designated by the "LR" prefix in racing handicaps), is a classic 20-foot trailerable sloop that emerged during the height of the kit-boat building era. Manufactured by Luger Industries, this model was designed to offer an accessible entry point into coastal cruising and day sailing for enthusiasts willing to undertake the final assembly. While many were completed by amateur builders, the hull's design remains a testament to the robust, versatile small-craft philosophy of the 1970s and 80s.

Sailing Performance & Handling

The sailing characteristics of the LR 20 are defined by its dual-keel options: a fixed-keel version and a more popular swing-keel (centerboard) configuration. With a displacement-to-length ratio that leans toward the light-to-moderate category, the boat is remarkably responsive in light air. When the breeze freshens, the swing-keel version exhibits a degree of tenderness, requiring early reefing to maintain a comfortable heel angle.

The boat’s handling is characterized by a high degree of maneuverability, making it an excellent platform for learning the nuances of sail trim. Its fractional rig and relatively large mainsail allow it to track well upwind, though the flat-bottomed hull section can lead to occasional pounding in a steep chop. Owners often note that the boat feels most at home in protected bays and inland lakes, where its shallow draft—allowing it to be beached—becomes a significant tactical advantage.

Interior Comfort & Variations

Despite its 20-foot length, the LR 20 features a cabin layout that was surprisingly ambitious for its time. The interior typically accommodates four adults in a "compact" fashion, featuring a V-berth forward and two quarter-berths that extend under the cockpit seats. Headroom is restricted, as is common in trailer-sailers of this vintage, requiring a seated or crouched posture throughout the cabin.

Materials usually consist of molded fiberglass liners accented by teak trim, though the finish quality varies significantly depending on the original kit builder’s attention to detail. Variations of the model included the "Leeward" and "Southwind" editions, which primarily differed in deck molding and interior cabinetry arrangements. Most models were equipped with a small area for a portable head and a minimalist galley slide-out, though many owners have since customized these spaces with modern electronics and improved storage solutions.

Known Issues & Buyer’s Checklist

As a kit-built vessel, the primary concern for any prospective buyer is the quality of the original assembly. Structural integrity can vary wildly between hulls.

  • Keel Bolt and Trunk: On swing-keel models, the pivot bolt and the integrity of the keel trunk are critical. Inspect for elongated bolt holes or stress cracks in the fiberglass housing, which can lead to significant leaks or mechanical failure.
  • Deck Delamination: Like many boats of this era, the LR 20 uses a cored deck. Use a plastic hammer to "tap-test" the deck for dull thuds, indicating water intrusion and delamination, particularly around the chainplates and stanchion bases.
  • Rigging Points: The mast step and shroud attachment points should be inspected for compression and hairline fractures. Because these were owner-installed, ensure the backing plates are sufficient and that the hardware hasn't compromised the laminate.
  • Rudder Assembly: The kick-up rudder is a known weak point under heavy load. Check the pintles and gudgeons for play and inspect the rudder head for cracks in the cast aluminum or fiberglass.

Community & Resources

The LR 20 benefits from a dedicated following among classic fiberglass boat enthusiasts. Technical support and original build manuals are often discussed within the broader Luger Owners community. While no formal manufacturer support exists today, resources are often shared through regional "Good Old Boat" networks and vintage trailer-sailer associations.

The Verdict

The LR 20 is a charming, entry-level cruiser that offers significant rewards for those who enjoy "tinkering" with a classic hull. It remains one of the most affordable ways to get a family of four onto the water for weekend adventures.

Pros:

  • Portability: Light enough to be towed by a standard SUV, expanding cruising grounds significantly.
  • Simplicity: A straightforward rig and deck layout make it an ideal "first boat" for new sailors.
  • Versatility: The shallow draft allows for exploration of gunkholes and estuaries inaccessible to larger keelboats.

Cons:

  • Build Variance: Quality depends entirely on the original owner’s skill, necessitating a thorough survey.
  • Cramped Living: The four-berth claim is optimistic for long-term cruising; best suited for overnights.
  • Stability: Can feel flighty in heavy weather compared to heavier, fixed-keel contemporaries.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Catamaran Sailboat
Keel Type
Multihull
Ballast
-
Displacement
476 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
20.51 ft
Waterline Length (LWL)
-
Beam
10.17 ft
Draft
0.82 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)
20.01 ft
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
174 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
45.66
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
Comfort Ratio
Capsize Screening Formula
5.21
Hull Speed
— kn