Daimyo 31 Information, Review, Specs

History and Design

The Daimyo 31 began its production run in 1958 under the craftsmanship of International Marine Japan Ltd. (JAP). The design itself originated from the distinguished American firm Eldredge-McInnis, a partnership that included Walter McInnis, known for his prolific contributions to yacht design, particularly robust power and sailing vessels. The firm had a reputation for creating seaworthy and practical designs, and their work on the Daimyo 31 reflects this philosophy, prioritizing stability and comfort over extreme speed. As a wooden boat, it also speaks to the traditional boatbuilding methods prevalent at the time of its inception.

Sailing Performance and Handling

With a reported sail area of 444 square feet and a displacement of 10,500 pounds, the Daimyo 31 has a Sail Area to Displacement (SA/D) ratio of approximately 14.79. This relatively low ratio suggests that while not a light-air flyer, the boat is designed for stability and control, particularly as the wind picks up. It is less prone to being overpowered and offers a comfortable motion in a seaway.

The Daimyo 31's Displacement to Length (D/L) ratio of 338 firmly places it in the category of "heavy cruisers". This substantial displacement for its 24-foot waterline length contributes significantly to its stability and seakindliness, making it well-suited for extended cruising and offshore passages. Its hull form is noted as being "slimmer than 66% of all other designs" with a "slightly more speedy hull design" for its class, hinting at a good balance of comfort and reasonable performance. Furthermore, its comfort ratio is described as being "more comfortable than 86% of all similar sailboat designs," indicating a smooth ride even in challenging conditions. The long keel design contributes to excellent directional stability, though it may result in a wider turning radius compared to boats with fin keels and spade rudders. With a maximum draft of 4.0 feet, the Daimyo 31 maintains good underwater foil for tracking and stability.

Accommodations and Layout

Details regarding the specific interior layout of the Daimyo 31 are not widely documented, a common challenge with older, less mass-produced wooden vessels. However, given its 31-foot length overall, 9.42-foot beam, and the traditional design ethos of its era, one can infer a practical and functional interior. Typical layouts for cruisers of this vintage often included a V-berth forward, a main salon with opposing settees that could convert into berths, a galley area, and a navigation station. The construction would likely feature ample wood trim and joinery, contributing to a warm and classic aesthetic. Storage solutions would be integrated into various lockers and compartments throughout the cabin. While specific headroom figures are not available, boats of this size from the period generally offered comfortable standing room in the main salon for average-height individuals, though often more restricted in the forward and aft sections.

Owner's Perspectives

Specific owner reviews or forums dedicated to common issues and strengths of the Daimyo 31 are not readily available in public search results. This may be attributed to its limited production run, age, and geographical origin. Owners of classic wooden boats like the Daimyo 31 often form close-knit communities, sharing their experiences and maintenance tips in more private settings or through specialized classic boat associations. General considerations for wooden boats of this vintage typically include ongoing maintenance of the hull and deck, addressing any potential leaks, and ensuring the structural integrity of the timber. However, the inherent quality of Eldredge-McInnis designs suggests a well-built vessel for its time, likely appealing to those who appreciate traditional craftsmanship and seaworthy characteristics.