Bandholm 30 — Information, Review, Specs

Knud Olsen·1976·~70 hulls·Bandholm
Bandholm 30 drawingBuilder drawing
Hull type
Monohull · full
Rig
Masthead Sloop
LOA
30.18' · 9.2 m
Displ.
10,362 lbs · 4,700 kg
First year
1976

The Bandholm 30 is a quintessential example of the Scandinavian "heavy cruiser" philosophy that dominated Danish boatbuilding during the late 1970s. Designed by the legendary Knud Olsen—a man perhaps best known for creating the OK Dinghy—the Bandholm 30 was produced between 1976 and 1990 at the Bandholm shipyard in Denmark. With approximately 70 units built, it represents a refined, larger evolution of the earlier Bandholm 24 and 27 models. The vessel is widely regarded as one of the last "true" longkeelers produced by the yard, designed specifically to handle the steep, short chop of the Baltic Sea with a soft motion that modern finkeel designs often struggle to replicate.

Measurements

Dimensions 01

LOA
30.18 ft
LWL
26.25 ft
Beam
9.35 ft
Draft
5.25 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Full
Rudder
1× Attached
Ballast
5952 lbs
Displacement
10362 lbs
Water
-
Fuel
-

Rig & sails 03

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

Calculations 04

SA/D ratio
12.32
Ballast/Disp.
57.44
D/L ratio
255.75
Comfort ratio
29.73
Capsize screening
1.72
Hull speed
6.87 kn

Sailing Performance & Handling

The Bandholm 30 is defined by its massive ballast ratio, which frequently exceeds 57%—a figure nearly double that of many contemporary production cruisers. This weight, concentrated in a traditional long keel, results in a vessel that is exceptionally stiff and capable of carrying its sail plan well into high-wind ranges without excessive heeling. According to technical insights from the OK Dinghy International Association, Olsen’s transition from mahogany to fiberglass allowed for these robust hull forms that prioritized safety and tracking over raw speed.

With a Sail Area-to-Displacement (SA/Disp) ratio of approximately 12.4, the boat is notoriously underpowered in light airs, often requiring the engine or a large genoa to make progress in less than 10 knots of breeze. However, once the wind reaches Force 4 or higher, the hull comes alive. Handling is characterized by superb directional stability; the long keel allows the boat to "track as if on rails," making it an easy vessel to trim for long passages. The primary trade-off is found in tight quarters. The propeller is uniquely positioned aft of the rudder, which eliminates the benefit of "prop wash" during low-speed maneuvers. This, combined with a large turning circle, makes reversing into a narrow slip a task that requires patience and foresight.

Interior Comfort & Variations

Inside, the Bandholm 30 reflects the high standards of Danish carpentry common in that era, typically finished in warm, high-quality teak. The layout is a traditional "two-cabin" configuration designed to sleep up to six people, though it is most comfortable for a couple or a small family. It features a forward V-berth, a central saloon with a folding table that converts into additional berths, and a functional L-shaped galley usually located to port of the companionway.

Headroom is adequate for a 30-footer, though taller sailors may find the forward transitions slightly tight. Storage is a high point of the design, with deep lockers and under-berth stowage intended for long-term coastal cruising. While the Bandholm 30 remained largely consistent during its production run, later models occasionally featured updated engine packages or slightly modified cabinetry finishes. It sits as the mid-range sibling between the more compact Bandholm 27 and the larger, more modern Bandholm 33 and 35 models, which shifted toward fin-keel and spade-rudder configurations.

The Bandholm 30 has maintained a dedicated following in the German and Scandinavian markets, often highlighted as a "GFK-Klassiker" (fiberglass classic). The German sailing magazine Palstek published a comprehensive technical retrospective on the model in their July/August 2010 edition, praising its sea-kindliness and build quality. It also appears frequently in Baltic-based sailing vlogs, such as those by Danish seafarer Thomas Dyrehauge, whose "I Love Sailing" series has documented the vessel's durability during extended North Sea and Kattegat cruises.

Known Issues & Buyer’s Checklist

Prospective buyers should focus their inspections on the following high-signal areas:

  • Propeller Alignment and Seal: Due to the unusual placement of the propeller aft of the rudder, the shaft and stern gland assembly can be difficult to access. Ensure the seal is watertight and the shaft shows no signs of excessive vibration, which can be exacerbated by this configuration.
  • Original Engine Condition: Many Bandholm 30s were originally fitted with the Volvo Penta MD11C or Bukh diesel engines. While these are "bulletproof" units, parts for the MD11C are becoming increasingly scarce. A repowered boat with a modern Yanmar or Nanni diesel adds significant value.
  • Deck Core Integrity: Like many boats of this era, the Bandholm 30 uses a sandwich construction for the deck. Check for "soft spots" or delamination around the chainplates and stanchion bases, where water may have ingressed over decades.
  • Rudder Bearings: The long keel design often incorporates the rudder into the trailing edge. Inspect the lower pintles and bushings for play; excessive movement here can lead to heavy steering and is a labor-intensive repair.

Community & Resources

The primary hub for owners is the Bandholm Club, a dedicated association that maintains technical records and hosting events for the 500+ Bandholm yachts still in service across Northern Europe. This community is a vital resource for sourcing specific replacement parts and sharing maintenance tips for the unique long-keel configurations.

The Verdict

The Bandholm 30 is a "sailor’s sailboat" for those who prioritize safety and comfort over race-winning speed. It is a formidable coastal and offshore cruiser that excels when the weather turns foul.

Pros:

  • Exceptional stability and "big boat" feel in heavy seas.
  • High-quality Danish teak interior and robust fiberglass construction.
  • Excellent tracking and self-steering characteristics.

Cons:

  • Challenging maneuverability in reverse due to the prop-behind-rudder layout.
  • Sluggish performance in light winds (SA/Disp of ~12.4).
  • Large turning circle makes tight marina maneuvering difficult.

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