Waarschip 725 Information, Review, Specs

Waarschip 725 Drawing
Make
Waarschip
Model
725
Builder
Waarschip
Designer
W. Akkerman/K. Kremer
Number Built
1000
Production Year(s)
1968 - 1976

The Waarschip 725, affectionately known across Europe as the "Quarter Tonner," stands as the quintessential representative of the Dutch yard’s philosophy: combining high-performance racing lines with the accessibility of plywood construction. Launched in the late 1960s and designed by the duo of Willem Akkerman and Klaas Kremer, the 725 was engineered specifically to compete under the International Offshore Rule (IOR) Quarter Ton class. Its distinctive multi-chine hull, which mimics the appearance of traditional clinker (lapstrake) planking, was not merely an aesthetic choice but a structural strategy to provide rigidity and strength to a lightweight plywood skin. While many were delivered as factory-finished yachts, the 725's legacy is inextricably linked to the DIY movement, as hundreds were sold as precision-cut kits, allowing amateur builders to produce a competitive offshore racer in their own backyards.

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Sailing Performance & Handling

The sailing characteristics of the Waarschip 725 are defined by its high ballast-to-displacement ratio, which often nears 45% to 50% depending on the specific keel configuration. This makes the boat exceptionally stiff and capable of carrying its sail plan long after larger, heavier cruisers have been forced to reef. On the water, the 725 feels more like a large dinghy than a traditional keelboat; the helm is sensitive and communicative, providing immediate feedback through the tiller.

Because it was designed for the Quarter Ton Cup, the 725 excels in upwind performance. Its slender entry and narrow waterline allow it to point high, while the flat sections aft provide stability when reaching. However, the IOR-influenced hull shape—featuring a pinched stern—can make the boat somewhat "flighty" or prone to rhythmic rolling when running deep downwind in heavy seas. Most owners report that the boat feels most at home in Force 3 to 5 winds, where its light displacement allows it to accelerate quickly in puffs. The technical specifications and historical racing records maintained by the Waarschip Werft confirm that the 725 was a dominant force in IMS and IOR handicap racing throughout the 1970s.

Interior Comfort & Variations

For a 24-foot vessel designed with a primary focus on racing, the interior of the Waarschip 725 is surprisingly functional, though it adheres to "Spartan" standards by modern cruising benchmarks. The layout typically features a classic V-berth forward, followed by a small salon with two settee berths that extend under the cockpit seats. Headroom is limited, as the low-profile coachroof was designed to minimize windage and keep the center of gravity low.

There are significant variations in the interior finish depending on whether the boat was shipyard-built or home-built. Factory models often featured high-quality mahogany veneers and professional joinery, whereas kit-built versions vary wildly based on the skill of the original owner. The "Quarter Tonner" hull also served as the foundation for the Waarschip 730 and the later 740. While the 725 focuses on racing, the 740 variant offers a slightly raised cabin house and a more refined interior suited for family coastal cruising.

Known Issues & Buyer’s Checklist

The primary concern for any prospective Waarschip 725 buyer is the integrity of the wood-epoxy or wood-phenolic bond. While the Bruynzeel plywood used in construction is of the highest marine grade, five decades of exposure can take a toll if maintenance has lapsed.

  1. The "Waarschip Rot": Inspection should focus on the transition zones where the hull meets the deck and the area around the chainplates. Any softening in the plywood "chines" (the corners of the hull) indicates a failure of the protective coating and potential structural rot.
  2. Keel Attachment: The 725 uses a cast-iron or lead keel bolted through a wooden keelson. Buyers should check for "the smile"—a gap at the leading edge of the keel-to-hull joint—which can indicate loose bolts or compression of the wood.
  3. Cockpit Drains: Many older 725s have undersized cockpit drains that are prone to leaking into the aft bilge. Check the plywood surrounding these drains for delamination.
  4. Rudder Play: The transom-hung or spade rudders (depending on the specific sub-model) often develop play in the pintles or the internal bushings, requiring overhauling to maintain the boat's signature precise handling.

Community & Resources

The 725 enjoys one of the most dedicated owner bases in Northern Europe. The most prominent resource is the "Waarschippers" (the Waarschip Owners Association), which maintains a deep archive of technical drawings and restoration logs. For technical support and original parts, the Waarschip Werft in Delfzijl remains the authoritative source, still offering consultancy for owners of these vintage wooden performance boats.

The Verdict

The Waarschip 725 is a "sailor's sailboat" that rewards those who appreciate the tactile feel of a wooden hull and the responsiveness of a racing thoroughbred. While it requires more diligent maintenance than a mass-produced fiberglass boat, its performance-to-price ratio remains difficult to beat.

Pros:

  • Exceptional upwind performance and stiffness for its size.
  • Timeless, aggressive "classic racer" aesthetics.
  • Strong, active community with excellent parts availability from the original yard.
  • Light enough to be trailered with a heavy-duty vehicle and the right equipment.

Cons:

  • High maintenance requirements compared to GRP (fiberglass) hulls.
  • Cramped interior with restricted headroom.
  • Potential for hidden rot in poorly maintained kit-built examples.
  • Pinched stern design can be nervous in heavy following seas.

Measurements

Construction & Hull

Construction Material
Fiberglass (Plywood Core)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Spade
Ballast
1102 lbs
Displacement
2646 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
23.79 ft
Waterline Length (LWL)
18.04 ft
Beam
8.2 ft
Draft
4.1 ft
Max Headroom
4.92 ft
Air Draft
28.54 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
245.4 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
20.52
Ballast / Displacement Ratio
41.65
Displacement / Length Ratio (D/L) Ratio
201.2
Comfort Ratio
12.54
Capsize Screening Formula
2.37
Hull Speed
5.69 kn