Breehorn 31 — Information, Review, Specs

Dick Koopmans·2013·Breehorn
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · fin
Rig
Masthead Sloop
LOA
30.84' · 9.4 m
Displ.
9,259 lbs · 4,200 kg
First year
2013

The Breehorn 31 serves as the refined entry point into the Dutch shipyard's esteemed lineup of bluewater cruisers. Designed by Dick Koopmans Jr., this 9.45meter yacht was conceived to offer the same level of seaworthiness and build quality as its larger siblings, such as the Breehorn 37 and 44, but in a package manageable for solo sailors or couples. While many yachts in the 30foot range are optimized for coastal day sailing or Mediterranean "ginpalace" comfort, the Breehorn 31 is explicitly engineered for the North Sea and beyond. It features a moderatedisplacement hull, a high ballast ratio, and a fractional rig that emphasizes control and stability over raw speed. The boat's aesthetic remains quintessentially Dutch: a traditional silhouette with a low coachroof, balanced overhangs, and a functional, uncluttered deck layout.

Measurements

Dimensions 01

LOA
30.84 ft
LWL
24.93 ft
Beam
9.68 ft
Draft
5.91 ft
Max headroom
-
Air draft
42.65 ft

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Skeg-Hung
Ballast
4299 lbs (Iron)
Displacement
9259 lbs
Water
40 gal
Fuel
16 gal

Rig & sails 03

Rig type
Masthead Sloop
P · main luff
34.38 ft
E · main foot
11.48 ft
I · fore ht.
39.37 ft
J · fore base
13.52 ft
Forestay (est)
41.63 ft
Sail area
568.33 sqft

Calculations 04

SA/D ratio
20.62
Ballast/Disp.
46.43
D/L ratio
266.78
Comfort ratio
26.05
Capsize screening
1.84
Hull speed
6.69 kn

Sailing Performance & Handling

The Breehorn 31 is frequently praised for its "big boat" feel in heavy weather. With a displacement of approximately 4,500 kg and nearly 40% of that weight concentrated in the lead ballast, the yacht exhibits a high degree of stiffness and a comfortable, predictable motion in a seaway. The design utilizes a semi-S-framed hull shape, a signature of the Koopmans office, which allows it to track exceptionally well even when the autopilot or wind vane is struggling.

Under sail, the fractional rig with a slightly overlapping genoa makes the boat easy to depower from the cockpit. According to technical documentation from the Koopmans Design office, the yacht is balanced to maintain a slight weather helm, providing the helmsperson with excellent feedback through the tiller. While it is not a light-wind flyer due to its moderate displacement, once the breeze exceeds 10 knots, the Breehorn 31 reaches its hull speed with surprising ease. It is particularly noted for its ability to heave-to safely, a critical trait for offshore passage-making that is often lost in modern, wide-stern designs.

Interior Comfort & Variations

Inside, the Breehorn 31 maintains the shipyard's reputation for high-end joinery and functional maritime architecture. The layout is traditional, featuring a V-berth forward, a central saloon with two longitudinal settees that double as excellent sea berths, and a compact but seaworthy L-shaped galley to port. The use of solid teak or mahogany (depending on the specific build year) creates a warm, "ship-shape" atmosphere that modern production boats rarely replicate.

The yacht was primarily offered in a single standard layout, but variations exist regarding the draft. While the standard draft is 1.75 meters, a shallow-draft version (approximately 1.45 meters) was produced to accommodate sailors in the Wadden Sea and other shoal-draft regions. Despite the smaller footprint, the interior offers a surprising 1.85 meters of headroom in the main cabin, though this tapers off toward the bow. The navigation station is full-sized, reflecting the boat's purpose as a serious navigational platform rather than a casual cruiser.

Known Issues & Buyer’s Checklist

While Breehorn yachts are built to an exceptionally high standard, there are specific areas for prospective buyers to monitor:

  • Teak Deck Integrity: Many Breehorn 31s were commissioned with vacuum-glued teak decks. While this method avoids screw-hole leaks, the teak will eventually thin after 20-25 years of maintenance. Check for "graying" that indicates the wood is reaching the end of its service life.
  • Rudder Bearings: Given the boat’s tiller-steered configuration and semi-balanced rudder, any play in the bearings can be felt immediately. In older models, the nylon or composite bushings may require replacement to restore precision.
  • Engine Maintenance: Most units are powered by Yanmar or Volvo Penta diesels. Buyers should inspect the heat exchangers and saildrive diaphragms (if equipped), as these are often the most neglected components in otherwise well-maintained Dutch yachts.
  • Chainplate Seals: Like any yacht with a traditional deck layout, the points where the shrouds penetrate the deck can be prone to minor leaks if the sealant is not periodically refreshed, which can eventually impact the interior bulkhead timber.

Community & Resources

The primary hub for owners and enthusiasts is the Breehorn Zeilersvereniging (Breehorn Sailors Association). This group is highly active in the Netherlands and provides a repository of technical knowledge, including historical brochures and modification advice. Because Breehorn is a boutique builder, the factory in Woudsend remains a viable resource for owners seeking original blueprints or specialized refit services, a rarity in an industry dominated by defunct manufacturers.

The Verdict

The Breehorn 31 is a rare breed of modern classic that refuses to compromise on safety for the sake of interior volume. It is a "sailor's boat" through and through, designed for those who find beauty in a well-set rig and a steady course.

Pros:

  • Exceptional build quality and "Blue Water" capability for its size.
  • High ballast ratio leads to superior stability and comfort in heavy seas.
  • Retains value exceptionally well on the used market compared to mass-produced brands.
  • Elegant, timeless design by Dick Koopmans Jr.

Cons:

  • Heavier and slower in light air (under 8 knots) than modern performance cruisers.
  • The traditional narrow beam results in less interior "living room" than contemporary 30-footers.
  • Premium pricing reflects its boutique construction rather than economy of scale.

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