Trintella IA Information, Review, Specs

Trintella IA Drawing
Make
Trintella
Model
IA
Builder
Trintella Yachts
Designer
E. G. van de Stadt
Number Built
Production Year(s)
1961 - 1965

The Trintella IA (often stylized as the Ia) serves as the historical cornerstone of the Trintella legacy, representing the precise moment when Anne Wever’s shipyard transitioned from the steel-hulled "Trintel" series to the brand name that would define Dutch luxury yachting for decades. Designed by the legendary E.G. van de Stadt, the IA was a refined evolution of the Trintel I, intended to bridge the gap between traditional metal construction and the emerging world of glass-reinforced plastic (GRP). While later Trintellas became synonymous with fiberglass, the IA remained a "bridge" model, often featuring a blend of materials or serving as the final template before the 8.5-meter series moved into full serial GRP production. It is a vessel defined by its narrow beam, long keel, and deep-V hull sections—a classic "gentleman’s cruiser" built to withstand the rigors of the North Sea.

Sailing Performance & Handling

The Trintella IA is a quintessential heavy-displacement cruiser that prioritizes stability over outright speed. With a hull form characterized by a long, traditional keel and a substantial ballast ratio, the boat exhibits exceptional directional stability. This "tracking" ability, a hallmark of Van de Stadt designs from the early 1960s, allows the IA to maintain its course with minimal helm correction even in gusty conditions.

According to technical archives maintained by the Trintella Vriendenkring, the vessel’s sea-kindliness is its most praised attribute; it slices through chop rather than slamming, providing a dry and predictable ride. However, because of its high displacement and relatively conservative sail-area-to-displacement ratio, the IA is not a light-wind performer. It requires a Force 4 breeze to truly find its stride. Handling in tight quarters can also be challenging for those used to modern fin keels, as the long keel and attached rudder result in a significant turning circle and pronounced prop walk when backing down.

Interior Comfort & Variations

The interior of the IA reflects the high-quality joinery that established Anne Wever's reputation. The layout is a traditional four-berth configuration, optimized for the vessel's 8.5-meter length and narrow 2.5-meter beam. The cabin is typically finished in rich mahogany or teak, creating a warm, shipshape atmosphere that contrasts with the "plastic" feel of modern production boats.

The floor plan includes a forward V-berth, a compact heads compartment (toilet) located behind a bulkhead for privacy, and two longitudinal settee berths in the main salon. The galley is situated near the companionway for maximum ventilation. While the headroom is modest compared to 21st-century designs, it was considered "full standing" for the average sailor of the 1960s. Sibling models built on the same fundamental lines include the original steel Trintel I and the larger Trintel II; however, the IA is distinct as it was the specific variant that prompted the name "Trintella." It eventually gave way to the Trintella I, which utilized the same hull lines but was constructed entirely of GRP to streamline manufacturing.

Known Issues & Buyer’s Checklist

  • Wood-to-Metal/Glass Transitions: On IA models featuring wooden superstructures or decks, buyers must check for freshwater rot at the "tabbing" points where the cabin trunk meets the deck or hull.
  • Original Engine Reliability: Many IA units were originally fitted with Albin or Sabb engines. Finding spare parts for these vintage units is increasingly difficult, and many owners have opted for modern Yanmar or Beta Marine replacements.
  • Keel Bolt Integrity: For early transition models, the condition of the keel bolts and the internal ballast encapsulation should be a priority during survey, as sixty years of salt-water immersion can lead to hidden oxidation.
  • Chainplate Corrosion: The stainless steel chainplates are often original; they should be inspected for "crevice corrosion" where they pass through the deck, a common failure point in boats of this vintage.

Community & Resources

The primary authority for this model is the Trintella Vriendenkring (Trintella Friends' Association). This organization maintains an extensive technical archive, including original brochures and hull-specific histories, and hosts annual rallies in the Netherlands that celebrate the preservation of these classic E.G. van de Stadt designs.

The Verdict

The Trintella IA is a connoisseur’s yacht, appealing to those who value maritime history and the steady, reassuring motion of a long-keel cruiser over the interior volume and speed of modern designs.

Pros

  • Exceptional "heavy weather" sea-kindliness and tracking.
  • High-grade Dutch craftsmanship and enduring aesthetic appeal.
  • A significant piece of yachting history as the first "Trintella."

Cons

  • Sluggish performance in light air and light winds.
  • Difficult to maneuver in reverse due to the long keel design.
  • High maintenance requirements if the specific hull features wooden brightwork or original vintage systems.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x Attached
Ballast
3858 lbs
Displacement
9291 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
29.2 ft
Waterline Length (LWL)
21.13 ft
Beam
7.92 ft
Draft
4.26 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

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

Calculations

Sail Area / Displacement (SA/D) Ratio
16.72
Ballast / Displacement Ratio
41.52
Displacement / Length Ratio (D/L) Ratio
439.66
Comfort Ratio
38.71
Capsize Screening Formula
1.51
Hull Speed
6.16 kn