Design and Construction
Puzzle Marine built the Puzzle 36 with a solid-fiberglass sandwich hull and deck. The builder credited this construction with improving the onboard climate by insulating the cabin from cold water and reducing condensation when the sea is colder than the air below. She also has a lead fin keel and a skeg-hung rudder.
The lead ballast matters because lead is 44 percent denser than iron. The same ballast can therefore be packed into a smaller fin, reducing wetted surface and increasing top-speed potential. The boat displaces 11,200 pounds and carries 4,409 pounds of lead, giving her a ballast ratio of 37 percent—higher than roughly a third of comparable designs. However, the correlated righting moment leaves her ability to resist heeling just below the class average.
Draft ranges from about 6.2 to 6.5 feet, depending on load. That depth confines her to major marinas.
Rig and Handling
The Puzzle 36 has a masthead-sloop rig. Its simplicity, along with its ability to carry a given sail area lower than a fractional rig, reduces the heeling moment.
By the numbers, she is slightly overrigged, carrying more sail plan than 62 percent of similar boats. Her sail-area-to-displacement ratio is 15.9 with the ISO reference sail and rises to 19.1 with a 135 percent genoa. That range makes her faster in light wind than about 38 percent of her peers.
The fin keel makes her more maneuverable than a comparable full-keel boat, though less directionally stable. Under power, a 27-horsepower Yanmar diesel with saildrive drives her at 7.0 knots, just below the 7.3-knot theoretical hull-speed limit set by her 29-foot-6-inch waterline.
Accommodations
Below, the interior is finished in teak, in keeping with cruiser conventions of the period. Her length-to-beam ratio of 3.12 makes her beamy for her size, and by that measure she is roomier than 62 percent of similar designs.
That beam provides volume rather than a lavish finish. The woodwork reflects standard boatbuilding practice of the era rather than standing out as a distinguishing feature.
Performance and Comfort
The Puzzle 36’s displacement-length ratio of 209 places her among “moderate racers,” and 73 percent of similar designs are heavier. Her lightness helps acceleration, but she isn’t especially soft-riding. The Motion Comfort Ratio is 22.8, making her more comfortable than only 27 percent of her peers.
Her capsize screening value is 2.00, a figure tied to disqualification from ocean racing. Wetted surface is about 387 square feet, while immersion is about 1,181 pounds per inch—useful context when planning loads.
Known Issues and Constraints
The main operational constraint is draft. At roughly 6.2 to 6.5 feet when loaded, the Puzzle 36 can use only major marinas.
The saildrive transmission is fitted without accompanying caveat.
The Verdict
The Puzzle 36 is a thoughtfully engineered late-1970s cruiser that trades directional steadiness for nimble handling. Her dense lead ballast allows a smaller fin with less wetted surface and greater speed potential.
She is roomy and light for her length, though both comfort and resistance to heeling fall below the class median. Her draft also keeps her tied to deepwater ports. For a sailor who values maneuverability and interior volume over bluewater certification, she presents a coherent proposition.
Pros
- A lead fin keel provides less wetted surface and greater speed potential than iron
- Sandwich hull and deck reduce cabin condensation in cold water
- Roomier for her length than 62 percent of comparable designs
- Masthead rig carries sail lower, reducing the heeling moment
Cons
- Draft of 6.2–6.5 ft limits her to major marinas
- Capsize screening value of 2.00 excludes her from ocean racing
- Comfort and resistance to heeling are below average for the class
- Fin keel reduces directional stability compared with a full keel
