Trinka 12 Sailboat Review, Specs, and Listings

Bruce Kirby·1990·~130 hulls·Johannsen Boat Works
Approximate drawing

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Hull Type
Monohull · daggerboard
Rig
Cat Rig
LOA
12' · 3.66 m
Disp.
225 lbs · 102 kg
First year
1990

The Trinka 12 is a small sailing dinghy built by the American yard Johannsen Boat Works and designed by the Canadian maritime architect Bruce Kirby in the early nineties. Fewer than 200 of these boats were produced, placing the design among the more limitedproduction small craft of its era. With a length on the waterline of nearly 11.9 feet inside an overall length of 12 feet, a beam of 5.25 feet, and a displacement of just 225 pounds, the Trinka occupies a niche between a minimalist tender and a recreational daysailer.

Measurements

Dimensions 01

Length Overall
12 ft
Length on deck
Waterline Length
11.88 ft
Beam
5.25 ft
Draft
2.83 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Daggerboard
Rudder
1× —
Ballast
(Lead)
Displacement
225 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Cat Rig
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
88 sqft

Calculations 04

Sail Area to Displacement Ratio
38.06
Ballast to Displacement Ratio
Displacement to Length Ratio
59.91
Comfort Ratio
3.2
Capsize Screening Ratio
3.45
Hull Speed
4.62 kn

Design and Construction

The hull is solid fiberglass, and the boat carries a daggerboard keel that lets it operate in very shallow water. The draft runs from about 0.43 feet unloaded to 0.73 feet under load, so the boat can be sailed close to a beach shallow draft dependent on load. The length-to-beam ratio is 2.29, a relatively broad proportion for a 12-foot hull, and against comparable dinghies the Trinka is roomier than 76 percent of similar designs more spacious than most peer dinghies. That breadth distinguishes it from narrower racing tenders of the same length.

Rig and Handling

The Trinka 12 is cat-rigged, carrying a single sail forward of the mast on an unstayed or lightly stayed rig typical of the type. The sail area of 88 square feet on a 225-pound hull gives a sail-area-to-displacement ratio of 38.06, a figure that suggests the boat is lively without being overpowered for its size. The immersion rate is about 217 pounds per inch, meaning the hull settles gradually as crew or gear are added gradual immersion under load. A capsize ratio of 3.45 and a comfort ratio of 3.2 place the boat firmly in the small-dinghy category rather than that of a coastal cruiser.

Accommodations

There are no enclosed accommodations in the Trinka 12; it is a daysailing and tender dinghy. The breadth noted above is what gives it the edge in usable space over most similar boats, supporting rowing, light sailing, and carrying passengers or provisions rather than overnighting.

Refits and Ownership

Production began in 1990 with fewer than 200 hulls completed, so any used example will be a low-production fiberglass dinghy with straightforward systems. The cat rig and daggerboard are simple to maintain, and the solid fiberglass hull avoids core-related concerns.

The Verdict

The Trinka 12 is a purpose-built small dinghy that trades racing edge for room and beachability. Its broad beam, shallow variable draft, and cat rig make it an accessible and practical little sailer for sheltered water, though its minimalist nature limits it to day use.

Pros

  • Roomy for a 12-foot dinghy, exceeding 76% of comparable designs in space
  • Very shallow draft with daggerboard allows beaching and close shore sailing
  • Simple cat rig and solid fiberglass hull ease ownership

Cons

  • No accommodations or enclosed space
  • Low production run means fewer examples on the market
  • Small size restricts use to sheltered daysailing

Similar sailboats

12 comparable designs · similar LOA, displacement & rig