Eastward HO SR. 31 Information, Review, Specs

Eastward HO SR. 31 Drawing
Make
Eastward
Model
HO SR. 31
Builder
Portsmouth Yacht Co./C. E. Ryder
Designer
Eldredge-McInnis
Number Built
Production Year(s)
1959 - ??

The Eastward Ho Sr. 31 represents a classic convergence of traditional New England design philosophy and the robust fiberglass construction of C.E. Ryder. Designed by the esteemed naval architecture firm Eldredge-McInnis, the "Senior" was conceived as the more spacious, offshore-capable successor to the immensely popular 24-foot Eastward Ho. While the smaller 24 was often viewed as a "pocket cruiser," the 31-foot model was built to be a true home-on-the-water, blending the aesthetics of a traditional character boat with the structural integrity required for coastal exploration and beyond. With its distinctive clipper bow, significant spring to the sheer line, and a high-volume hull, the Eastward Ho Sr. 31 remains a sought-after vessel for sailors who prioritize comfort, stability, and "salty" aesthetics over racing prowess.

Sailing Performance & Handling

The Eastward Ho Sr. 31 is a heavy-displacement cruiser that prioritizes sea-kindliness over raw speed. Its design features a full keel with a protected rudder, a configuration that provides exceptional directional stability and a dampened motion in a seaway. With a high Displacement-to-Length (D/L) ratio, the boat is remarkably "stiff," meaning it resists excessive heeling even when the wind picks up, providing a sense of security for less experienced crews or those cruising in rougher coastal conditions.

Under sail, the boat is not particularly nimble in light air; it requires a decent breeze—typically 10 knots or more—to truly find its groove. However, once moving, it tracks beautifully, allowing the helmsperson to relax. As noted in historical design discussions by Eldredge-McInnis, the hull shape was influenced by traditional workboat lines, which explains its ability to punch through a chop without the pounding associated with flatter-bottomed modern designs. Conversely, the full keel presents the standard challenge of "prop walk" and a large turning radius when maneuvering in tight marinas, particularly in reverse. Most owners rely on the boat’s substantial auxiliary power—often originally a Perkins or Westerbeke diesel—to navigate docks confidently.

Interior Comfort & Variations

The standout feature of the Eastward Ho Sr. 31 is its cavernous interior, which rivals many 35-footers of the same era. Because Eldredge-McInnis designed the boat with significant freeboard and a wide beam carried well aft, the living spaces are remarkably open. Headroom is a particular highlight, often cited at approximately 6'4" in the main saloon, a rarity for a 31-foot boat from the late 1970s.

The standard layout typically features a large V-berth forward, followed by a full-width head and hanging lockers. The main saloon utilizes a traditional arrangement with a settee that can often convert into a double berth, paired with a functional galley and a dedicated navigation station. C.E. Ryder utilized high-quality teak joinery throughout, giving the cabin a warm, traditional feel that aligns with its exterior "character boat" styling. While most units were built as sloops, a few were rigged as cutters, providing more versatility for offshore sail plans. The sibling model, the Eastward Ho 24, offers a similar aesthetic but lacks the standing headroom and the separate cabin privacy found in the Senior 31.

Known Issues & Buyer’s Checklist

Prospective buyers of an Eastward Ho Sr. 31 should focus their inspections on the common aging points of C.E. Ryder builds and heavy cruisers of this vintage:

  • Deck Core Integrity: Like many boats of the 1970s and 80s, the decks are fiberglass-sandwiched with a balsa or plywood core. Check for "spongy" spots around high-stress areas like the chainplates, stanchion bases, and the windlass, as water intrusion here can lead to costly delamination.
  • Fuel Tank Corrosion: Many of these vessels were equipped with aluminum or iron fuel tanks located deep in the bilge or under the cockpit. Over decades, moisture can cause bottom-up corrosion. Verification of tank condition or evidence of replacement is critical.
  • Chainplate Inspection: The chainplates are bolted through the hull/deck joint. While robust, the caulking can fail over time. Look for tea-staining or water tracks on the interior teak bulkheads, which indicates a leak that could compromise the wood.
  • Engine Access and Cooling: While the engine rooms are generally accessible, ensure the raw-water intake and exhaust elbow are free of scale. Given the boat's heavy displacement, the engine works hard, and cooling system maintenance is paramount.

Community & Resources

Owners of the Eastward Ho Sr. 31 often find a home within the broader community of C.E. Ryder enthusiasts. The Sea Sprite Association is the most prominent resource for technical data and historical context regarding Ryder-built boats, as the company applied similar construction methods across the Sea Sprite, Southern Cross, and Eastward Ho lines. Although the Eastward Ho models are more niche, the association's technical archives regarding hull maintenance and fiberglass repair remain highly relevant.

The Verdict

The Eastward Ho Sr. 31 is an "honest" boat—it does not pretend to be a racer, but it excels as a sturdy, comfortable, and aesthetically charming coastal cruiser. It is an ideal choice for a couple or a small family looking for a vessel that feels much larger than its 31 feet.

Pros:

  • Exceptional Volume: Massive interior space and headroom for its length.
  • Sea-Kindliness: Heavy displacement and a full keel offer a stable, comfortable ride in heavy weather.
  • Construction Quality: C.E. Ryder’s reputation for solid fiberglass work ensures a long-lasting hull.
  • Classic Appeal: The Eldredge-McInnis lines turn heads in any harbor.

Cons:

  • Light Air Performance: Sluggish when the wind drops below 8-10 knots.
  • Maneuverability: Difficult to handle in reverse due to the full-keel design and prop walk.
  • Aging Systems: Many units require significant electrical and plumbing refits due to their vintage.

Measurements

Construction & Hull

Construction Material
Fiberglass/Wood Composite
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x Attached
Ballast
4500 lbs
Displacement
11000 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
30.5 ft
Waterline Length (LWL)
24 ft
Beam
9.82 ft
Draft
4.16 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
32.67 ft
E (Main Foot)
13.5 ft
I (Foretriangle Height)
38 ft
J (Foretriangle Base)
12.5 ft
Forestay Length (est)
40 ft
Sail Area
478 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
15.46
Ballast / Displacement Ratio
40.91
Displacement / Length Ratio (D/L) Ratio
355.23
Comfort Ratio
31.25
Capsize Screening Formula
1.77
Hull Speed
6.56 kn