EF 34 Information, Review, Specs

Sailing Performance & Handling

The EF 34 reflects the IOR design trends of its era, characterized by a relatively wide beam at the midsection that tapers toward a narrower, "pinched" stern. With a displacement of approximately 4,800 kg and a ballast of 1,950 kg, the boat boasts a high ballast ratio of nearly 40%, which translates to a stiff, predictable motion in a seaway. According to technical archives from Seilmagasinet, the vessel was designed to be competitive in handicap racing, which required a versatile sail plan capable of handling both light air and heavy gusts.

Under sail, the EF 34 is noted for its exceptional upwind tracking. The deep fin keel and large spade rudder provide significant bite, allowing the boat to point high while maintaining a light touch on the tiller or wheel. However, like many IOR-influenced hulls, it can exhibit a tendency to wander or "roll" when running deep downwind in heavy following seas, requiring an active hand on the helm to prevent rhythmic rolling. Its sail area-to-displacement ratio suggests a boat that is relatively "powerful" for its weight, meaning it transitions quickly from a standstill and maintains momentum through lulls.

Interior Comfort & Variations

The interior of the EF 34 is typical of high-quality Scandinavian production boats of the 1980s, emphasizing warm teak joinery, functional sea-going layouts, and efficient use of space. The standard configuration features a traditional V-berth forward, a central salon with opposing settees and a drop-leaf table, and a dedicated navigation station to starboard. The galley is generally positioned to port, offering a secure "U-shaped" or "L-shaped" work area that remains usable while the boat is heeled.

The sibling models, specifically the EF 33 and the later updated variants, primarily differed in their cockpit layouts and aft cabin configurations. While the EF 33 often featured a more Spartan, race-oriented interior, the EF 34 maximized its volume by tucking a generous quarter berth or, in some custom layouts, a small enclosed aft cabin behind the companionway. Headroom is ample for a 34-footer, typically exceeding 6 feet in the main salon, and the use of deck prisms and overhead hatches ensures the cabin feels brighter than many of its contemporaries.

Known Issues & Buyer’s Checklist

Prospective buyers of an EF 34 should focus their inspection on the specific structural characteristics of 1980s GRP (glass-reinforced plastic) construction.

• Deck Delamination: Like many Scandinavian boats from this period, the EF 34 utilized a balsa-cored sandwich deck for weight savings. Areas around stanchion bases, chainplates, and the mast step are prone to moisture ingress if the sealant has failed, potentially leading to soft spots or core rot.
• Keel-to-Hull Joint: Given its racing pedigree, many EF 34s were pushed hard in offshore conditions. Inspect the "smile" at the leading edge of the keel-to-hull joint for signs of movement or structural fatigue, especially if the boat has a history of groundings.
• Engine Serviceability: Most original units were fitted with Volvo Penta or Yanmar diesel engines. Access is generally good via the companionway steps, but buyers should check the saildrive diaphragm (if applicable) or the shaft seal, as these components are often nearing the end of their service life if not recently replaced.
• Rigging Tension: The masthead rig on the EF 34 is robust, but the high tension required for IOR-style genoas can cause slight deck compression over decades. Check the interior bulkheads near the mast step for any signs of displacement or "puckering" in the fiberglass.

Community & Resources

The primary hub for EF 34 owners is centered in Norway and Sweden, where the boat is considered a "modern classic." Technical documentation and original sail plans are occasionally curated by the Digitalt Museum of Norway, which preserves the architectural history of Eivind Amble’s designs. While no single global owner’s association exists, technical support is frequently found through broader Scandinavian sailing forums where members share specific modifications for the Amble-designed fleet.

The Verdict

The EF 34 is a sophisticated choice for the sailor who appreciates European design pedigree and requires a boat that can handle legitimate offshore conditions. It offers a "big boat" feel in a 34-foot package, combining safety with a rewarding helm.

Pros:

• Build Quality: Solid GRP construction with high-quality Scandinavian woodwork.
• Stability: High ballast ratio makes for a stiff, safe-feeling boat in heavy air.
• Upwind Ability: Excellent pointing characteristics and responsiveness.

Cons:

• Downwind Manners: Pinched stern can lead to instability when running in large following seas.
• Market Rarity: Difficult to find outside of Northern Europe, making parts for specific hull fittings a challenge to source.
• Age-Related Maintenance: Cored decks require vigilant moisture management to avoid costly repairs.