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Trinka 10 Yacht Tender                Detailed Specs
       Rigging Instructions

InteriorThe Trinka yacht tender and dinghy has quietly risen to the top of the line of rowing/sailing dinghies in the U.S. The Trinka 10 features exceptional hull strength and integrity and a notable ten-year hull warranty.

The Trinka 10 is lovingly executed with book-matched teak, all bronze hardware, two-part aluminum mast and a wide array of customization options.

The Trinka is truly built from a heartfelt desire to "do it right" and has the quality, style and performance demanded by the serious cruising sailor.

TRINKA 10 Specifications
  • LOA: 10.0 feet (3.05m)
  • Draft
    Board Up: 4 in. (10.1 cm)
    Board Down: 28 in. (71 cm)
  • Beam: 54 in. (137 cm)
  • Sail Area 64 ft2 (5.9 m2)
  • Weight 135 Lbs. (61 kgs)
  • Maximum Capacity:
    4 Persons or 550 Lbs.(250 kgs)
    640 Lbs. (290 kgs) persons, motor, gear
  • Max HP: 2 HP Motor

 Can a sailing dinghy be a stable load carrier and fast, too?

That was the question put to designer Bruce Bingham during discussions about the development of the Trinka 10 rowing and sailing yacht tender.

It's a long-known fact that a hollow bow, narrow waterline beam and fine run are prerequisites for an easily driven hull, whether it's being rowed, sailed, towed or powered by outboard. But these elements are normally contrary to stability. In fact, most dinghies are pudgy vessels for this very reason, pushing rounded, white-water bow waves ahead of them as they struggle forward. "White water around any vessel is a sure-fire indicator of excessive resistance." says Bingham. "Look at the boats of the turn of the century and you'll see clear, curling bow waves and almost undisturbed wakes. There are important lessons that can be applied today; but many designers ignore these rules in favor of cramming in more hull volume.

Bingham found the answer to the performance/stability equation in the positioning of the Trinka's 10's chine. He readily admits borrowing the concept from the famed Whitehall dinghies as well as some notable IOR sailing dinghies. "By raising the chine clear out of the water, you're able to narrow the waterline beam. This, in turn, reduces wetted surface and draws out the entire underbody shape into long, sweet curves." As soon as the Trinka 10 is loaded, however, the dinghy's waterline beam increases dramatically for additional stability and load-carrying capacity. Even when loaded with two people, a slight heel angle causes a huge shift of the lateral center of buoyancy toward the low side of the boat, which results in a tremendous increase in the righting arm, i.e. stability.

It's been decades since a dinghy has been designed with the care of a yacht. The Trinka 10's classic plumb bow, with its distinct hollows, allows the longest possible waterline. Her skeg has been faired into the hull with graceful curves, unlike the many "plank skegs" on the market. The Trinka 10's straight underbody profile virtually guarantees superb tracking and more level towing. The Trinka 10's bow and stern seats are waterproof fiberglass chambers offering positive flotation and designed to U.S. Coast Guard specifications. Her gunwale is five layers of 1/4 inch teak, epoxy glued and stainless fastened on four inch centers for incredible strength. The breast hook and quarter knees are 1 & 1/4 inch solid teak for hull stiffness and to bear impact loads. The center thwart is solid teak, and the transom is doubly-reinforced with marine plywood and 1/2 inch solid teak for strength and beauty. Other standard features include a heavy 3/8 inch stainless towing eye, two sets of bronze oarlocks/sockets, and a canvas covered urethane foam gunwale fender.

The Trinka 10 was originally designed as a top of the line yacht tender but has emerged as a fine day sailer with excellent sailing and rowing performance coupled with hefty carrying capacity and exceptional stability. Not only is it a superb cruising dinghy, it is simple to rig and light enough (only 140 lbs.) to be easily handled and stowed.

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Johannsen J

ohannsen Boat Works
P.O. Box 2311
Vero Beach, Florida 32961
PH (772) 567-4612