Offshore 34 (Anderson) Information, Review, Specs

History and Design

Production of the Offshore 34 commenced in 1973 by Offshore Yachts Ltd., a UK-based builder known for its focus on sturdy, seaworthy cruising yachts constructed from fiberglass. While the exact end year of production is not explicitly documented, examples of the Offshore 34 from as late as 1980 suggest a production run extending for several years. The builder's ethos during this period favored robust construction, well-proportioned rigs, and practical interiors, aligning with the needs of offshore enthusiasts.

Designer Ian L. Anderson, a well-known English yacht designer, crafted the Offshore 34 to excel under the demanding IOR handicap rule. This meant optimizing the hull shape and rig for upwind performance and overall speed in various conditions, while still retaining characteristics suitable for offshore passages. The boat features a fin keel, a common configuration that provides efficient hydrodynamic lift for performance, paired with a skeg-hung rudder, known for its robustness and good control, particularly valuable in challenging sea states.

Sailing Performance and Handling

The Offshore 34's design ratios provide insight into her anticipated sailing characteristics. With a Sail Area to Displacement (SA/Disp) ratio of approximately 12.51, she is not a boat designed for blistering light-air speed; rather, this lower ratio suggests a vessel that will perform best in a healthy breeze, capable of handling stronger winds without becoming overly tender. This aligns with her IOR design pedigree, where performance in a range of wind conditions, especially upwind, was crucial.

A high Ballast to Displacement (Bal/Disp) ratio of around 0.416 indicates a significant amount of ballast relative to her overall weight, contributing to excellent stiffness and stability. This translates to a boat that stands up well to her canvas, resisting heel and providing a comfortable motion in a seaway. Her Displacement to Length (Disp/LWL) ratio, calculated at roughly 355.7, classifies her as a heavy displacement vessel for her length. This robust displacement contributes to her seaworthy reputation and ability to track well through waves, making her a reliable choice for offshore voyages. The combination of a fin keel and skeg-hung rudder further enhances her steering control and contributes to a balanced feel at the helm.

Accommodations and Layout

While detailed interior specifications for the Offshore 34 can vary between individual boats and are not extensively documented, reviews indicate that the design typically offers accommodations for up to six berths distributed across two cabins plus the main saloon. As a boat designed in the 1970s with an emphasis on offshore capability, the interior layout would likely prioritize functionality and secure bracing points over expansive open-plan living. Owners can expect a practical arrangement suitable for extended periods aboard, with a focus on maximizing usable space within the confines of her 34-foot length.