International H-Boat Sailboat Review, Specs, and Listings

Approximate drawing

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The International HBoat is a onedesign keelboat conceived by Finnish designer Hans Groop in 1967. More than five decades later, it remains an active racercruiser with a proven pedigree Alastair McLean takes Theo Stocker for a brisk but bumpy ride aboard his 27ft Baltic keelboat Eider.

Measurements

Dimensions 01

Length Overall
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Length on deck
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Waterline Length
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Beam
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Draft
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Maximum Headroom
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Air Draft
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Construction & hull 02

Construction
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Hull Type
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Keel Type
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Ballast
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Displacement
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Water Capacity
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Fuel Capacity
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Rig & sails 03

Rigging Type
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Mainsail luff
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Mainsail foot
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Foretriangle height
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Foretriangle base
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Forestay Length (estimated)
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Sail Area
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Calculations 04

Sail Area to Displacement Ratio
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Ballast to Displacement Ratio
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Displacement to Length Ratio
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Comfort Ratio
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Capsize Screening Ratio
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Hull Speed
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More than 5,000 hulls have been built, and the class has held World Sailing international status since 1977. It is the largest such keelboat fleet in Europe and the second largest worldwide. Its reach is genuinely continental: organized national associations operate in eight countries, while active racing continues in Finland, Denmark, Norway, Sweden, Germany, the Netherlands, Switzerland, Austria, Italy, Belgium, the United States, and the United Kingdom.

Design and Class Character

The H-Boat is defined by its disciplined one-design framework. Groop’s 1967 lines produced a 27-foot Baltic keelboat with an overall length of 8.28 meters, a 2.18-meter beam that sits well within road-towing limits, and a draft of 1.3 meters.

The class authority lists a displacement of 1450 kilograms and a ballast ratio of 50 percent, though a period review gives a different figure of 1.45 tons (3190 lb). The 50 percent ballast ratio and the class authority’s displacement figure make the boat easy to trailer. It is built by two World Sailing-licensed builders, with construction kept to a high standard of finish.

The sail plan looks modest on paper, with 14.8 square meters of working sail and a 10.2-square-meter jib, but the 36-square-meter symmetrical spinnaker makes the boat’s racing intent clear. The H-Boat is crewed by three or four and is regarded as easy to handle, which helps explain its longevity as a highly competitive one-design class.

Rig and Handling

The H-Boat has a deck-stepped mast that is straightforward to remove and derig. It carries a single foresail and the symmetrical spinnaker noted above. Period reviewers describe a large mainsail and a powerful battened jib.

The deck layout is generous for a boat of this size. A large foredeck and wide sidedecks make working the boat a pleasure rather than a chore. Its deep fin and short waterline allow it to turn quickly under helm in port, although the same review notes that the current engine arrangements don’t make it easy to control there.

On the water, the H-Boat is remarkably forgiving. It is described as safe in rough seas, strong winds, and even gales, with no danger of capsizing. One owner’s boat, Eider, has been out in 50 knots under three reefs and a storm jib. At the other end of the range, the boat will get going in as little as 5 knots of breeze, which makes it attractive on the light-air lakes of southern Germany, Austria, and Switzerland.

Yachting Monthly credited the H-Boat with a rare combination of elegance, excitement, and the sea-keeping ability of a much larger boat.

Construction and Cockpit

Construction centers on a hull finished to a high standard by Artekno in Finland and a self-bailing cockpit. The cockpit feels safe even at steep angles, an important quality given the boat’s lively behavior when overpowered. Foot-straps are fitted for hiking and crew safety, further underlining its racing orientation.

The wide sidedecks and large foredeck contribute to a secure working environment. Deck mouldings for a windlass and hawse pipe also show that the original design allowed for ground-tackle upgrades, even though the standard arrangement is different.

Accommodation

Below decks, the H-Boat is unapologetically spartan—closer to camping than coastal caravanning. Its small coachroof and low freeboard provide sitting headroom but no standing headroom, and the fit-out doesn’t meet modern new-boat standards.

Even so, generous cabin lights and a large forehatch keep the interior bright and airy, and the boat provides everything needed for a comfortable short cruise. Sanitary arrangements extend to a bucket-and-chuck-it heads with a modesty curtain.

The interior works for a couple or a group of friends on a weekend away. Four people aboard during a rainy stay at anchor, however, will need patience as they take turns moving around.

Known Issues and Refit Options

The H-Boat has a few foibles. Outboard operation is awkward, there is no furling headsail, and the boat delivers a wet ride.

Anchoring is also a bit of a faff. The large Danforth anchor is stored aft in the lazarette, while the chain is carried in the bilge for weight distribution. According to the review, none of these issues is structural or safety-critical, and all could be rectified with a moderate investment.

Verdict

The H-Boat has survived because it does two things uncommonly well: it races hard within a controlled one-design class, and it looks after a small crew in weather that would humble bigger boats. Accommodation is minimal, but for club racing and fast weekend passage-making, it remains a coherent, well-built package with a deep support network.

Pros

  • Enduring one-design class with World Sailing international status and active fleets in 12 countries
  • Described as safe and non-capsizing in gale conditions, yet lively in 5 knots of breeze
  • Easy to trailer and derig, and manageable with a crew of three or four
  • Self-bailing cockpit and secure, wide decks for working the boat

Cons

  • Spartan interior with sitting headroom only and bucket heads
  • Awkward outboard control in port and no furling headsail
  • Wet ride and fiddly anchoring arrangement

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