Junker 24 — Information, Review, Specs

Sigurd Fr. Herbern·1978·Holstebro Plastværk A/S
Junker 24 drawingBuilder drawing
Hull type
Monohull · fin
Rig
Fractional Sloop
LOA
23.62' · 7.2 m
Displ.
4,244 lbs · 1,925 kg
First year
1978

The Junker 24 is a stout, Scandinavianbuilt small cruiser that embodies the design philosophy of the 1970s "Pocket Yacht." Designed by the celebrated Norwegian naval architect Sigurd Fr. Herbern and primarily manufactured by Holstebro Plastværk A/S in Denmark, the 24 was developed as a more voluminous and seaworthy successor to the smaller Junker 22. Unlike many of its contemporaries that sacrificed ballast for speed, the Junker 24 was engineered for the demanding conditions of the North Sea and Baltic, featuring a high ballast ratio and a hull form that favors stability over outright racing performance. Production began in the late 1970s, with later hulls reportedly produced by Syd Thy Bådværft ApS, cementing its status as a reliable coastal passagemaker for singlehanders and small families.

Measurements

Dimensions 01

LOA
23.62 ft
LWL
18.47 ft
Beam
8.53 ft
Draft
4.1 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Skeg-Hung
Ballast
2094 lbs
Displacement
4244 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
-
E · main foot
-
I · fore ht.
-
J · fore base
-
Forestay (est)
-
Sail area
245 sqft

Calculations 04

SA/D ratio
14.95
Ballast/Disp.
49.34
D/L ratio
300.7
Comfort ratio
18.85
Capsize screening
2.11
Hull speed
5.76 kn

Sailing Performance & Handling

The sailing characteristics of the Junker 24 are defined by its remarkable 49% ballast-to-displacement ratio, a figure rarely seen in modern production yachts of this size. With nearly half of its 1,925 kg (4,244 lb) weight concentrated in its fin keel, the boat is exceptionally stiff and capable of carrying sail long after lighter vessels have been forced to reef. Its displacement-to-length (D/L) ratio of approximately 301 places it firmly in the "heavy cruiser" category for a 24-foot boat, resulting in a motion comfort that owners often compare to much larger vessels.

Handling is further stabilized by a rudder mounted on a robust skeg, which provides excellent tracking and protection against debris. While the fractional rig and modest sail area of 22.8 m² (245 sq. ft.) mean it is not a "light air" specialist, it excels in a breeze, maintaining a predictable and forgiving helm. According to technical assessments found in Scandinavian nautical circles, the boat feels "planted" in the water, a trait attributed to its deep-V sections forward which help it slice through chop rather than pounding over it.

Interior Comfort & Variations

Despite its modest 7.2-meter length, the Junker 24 offers a functional interior typically finished in rich mahogany, a hallmark of the Danish yard's craftsmanship. The layout is optimized for four adults, featuring a V-berth in the forepeak and two settee berths in the main salon. The beam of 2.6 meters (8.5 ft) is relatively generous for its era, providing more lateral living space than the "needle-thin" Folkboat variants popular at the time.

Whilestanding headroom is not possible for most adults (averaging around 1.45m to 1.50m), the "sitting headroom" is comfortable, and the galley area is usually equipped with a two-burner stove and a small sink. It is important to note that many Junker 24s were sold as "kit boats" or semi-completed hulls; consequently, the quality of the interior joinery can vary significantly between individual boats. Sibling models include the smaller Arne Borghegn-designed Junker 22 and the larger Junker 26, the latter of which provides full standing headroom and a more dedicated offshore layout.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the Junker 24 with the understanding that these vessels are now entering their fifth decade of service.

  • Deck Core Integrity: Like many GRP boats of this era, the Junker 24 often utilizes a sandwich construction in the deck. Buyers should check for "spongy" areas around the mast step and chainplates, which indicate moisture ingress into the balsa or foam core.
  • Osmotic Blistering: Early hulls from Holstebro Plastværk are known to be susceptible to osmosis if they have not been treated with an epoxy barrier coat. A thorough hull inspection for blistering below the waterline is essential.
  • Keel-to-Hull Joint: Due to the high ballast weight, the keel bolts and the joint between the cast iron keel and the fiberglass hull should be inspected for "smile" cracks or signs of weeping.
  • Window Leaks: The original aluminum-framed windows are prone to seal failure. Evidence of water staining on the mahogany bulkheads or cabin soles is a common sign that the seals require replacement.

Community & Resources

The primary hub for technical support and historical documentation is the Junker-Klubben, a dedicated association of owners based in Denmark. This group maintains a repository of technical drawings, original brochures, and restoration guides specifically for the Junker 22, 24, and 26 models.

The Verdict

The Junker 24 remains a premier choice for sailors seeking a "small ship" feel on a modest budget. Its robust construction and high stability make it a safe, predictable platform for coastal exploration.

Pros:

  • Exceptional stability due to a nearly 50% ballast ratio.
  • Strong tracking and sea-kindliness provided by the skeg-hung rudder.
  • High-quality mahogany interior (on factory-finished models).
  • Compact enough for easy single-handing and affordable berthing.

Cons:

  • Limited standing headroom restricts long-term liveaboard comfort.
  • Underpowered in light winds due to heavy displacement.
  • Varying interior quality in "home-finished" variants.

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