Review of Hallberg-Rassy 36

Basic specs.

The Hallberg-Rassy 36 aka Hallberg-Rassy 36 Mk I or HR 36 Mk I aka HR 36 Mk I is a sailboat designed by the Argentine maritime architect Germán Frers in the late eighties. A few hundred boats have been produced. The Hallberg-Rassy 36 is built by the Swedish yard Hallberg-Rassy Varvs AB.

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Hull

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

Interior

The boat is equipped with 2 cabins, 7 berths, 310.0 liter fresh water capacity and toilet facility.

Rig

The Hallberg-Rassy 36 is equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

Keel

Fin keel

The Hallberg-Rassy 36 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.

The boat can only enter major marinas as the draft is about 1.87 - 1.97 meter (6.14 - 6.44 ft) dependent on the load. See immersion rate below.

Engine

The Hallberg-Rassy 36 has been equipped with different engine alternatives.

Alternative 1:

Hallberg-Rassy 36 may be equipped with an inboard Volvo Penta MD22P diesel engine at 57 hp (42 kW).

Alternative 2:

The boat may be equipped with an inboard Volvo Penta MD22 diesel engine at 57 hp (42 kW).

The fuel tank has a capacity of 345.0 liters (91 US gallons, 75 imperial gallons).

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

EU classification

Hallberg-Rassy 36 holds a CE certification:

The boat is by European Union certified as Class A. OCEAN:

Designed for extended voyages where conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4 m and above but excluding abnormal conditions, and vessels largely self-sufficient.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.4 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Hallberg-Rassy 36 is about 222 kg/cm, alternatively 1245 lbs/inch.
Meaning: if you load 222 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1245 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Hallberg-Rassy 36 is 3.06.

Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Hallberg-Rassy 36 is 45%.

This ballast ratio shows a righting moment that is higher than 79% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.

Over- / underrigged

The Hallberg-Rassy 36 has more rig than 27% of all similar sailboats, which indicates that the boat is slightly underrigged.

Maintenance

Bottom Paint

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 38m² (409 ft²).
Based on this, your favourite maritime shop can tell you the quantity you need.

Note: If you use a paint roller you will need more paint than if you use a paintbrush.

Rig

Dimensions of sail for masthead rig.

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Mainsail halyard	32.8 m	(107.8 feet)	12 mm	(1/2 inch)
Jib/genoa halyard	32.8 m	(107.8 feet)	12 mm	(1/2 inch)
Spinnaker halyard	32.8 m	(107.8 feet)	12 mm	(1/2 inch)
Jib sheet	10.9 m	(35.7 feet)	14 mm	(0.55 inch)
Genoa sheet	10.9 m	(35.7 feet)	14 mm	(0.55 inch)
Mainsheet	27.2 m	(89.2 feet)	14 mm	(0.55 inch)
Spinnaker sheet	23.9 m	(78.5 feet)	14 mm	(0.55 inch)
Cunningham	4.8 m	(15.6 feet)	12 mm	(1/2 inch)
Kickingstrap	9.5 m	(31.2 feet)	12 mm	(1/2 inch)
Clew-outhaul	9.5 m	(31.2 feet)	12 mm	(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

Finally

We are always looking for new photos. If you can contribute with photos for Hallberg-Rassy 36 it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.