Review of Hallberg-Rassy 49

Basic specs.

The Hallberg-Rassy 49 or HR 49 is a large motorsailer designed by the Swedish maritime architect Olle Enderlein together with Christoph Rassy also from Sweden in the early eighties. Less than 100 boats have been produced. The Hallberg-Rassy 49 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.

Keel

The Hallberg-Rassy 49 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a long keel.

The boat can only enter major marinas as the draft is about 2.21 - 2.31 meter (7.25 - 7.55 ft) dependent on the load. See immersion rate below.

Engine

The boat is typically equipped with an inboard Volvo Penta TMD 41 diesel engine at 143.0 hp (106 kW).

The fuel tank has a capacity of 765.0 liters (202 US gallons, 168 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Hallberg-Rassy 49 is 1.70, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Hallberg-Rassy 49 is about 445 kg/cm, alternatively 2496 lbs/inch.
Meaning: if you load 445 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2496 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 49 is 3.39.

Compared with other similar sailboats it is more spacy than 62% 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 49 is 46%.

This ballast ratio shows a righting moment that is higher than 92% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.

SA/D (Sail Area Displacement ratio)

SA/D (Sail Area Displacement ratio)
Indicates how fast the boat is in light wind:
- Cruising Boats have ratios 10-15
- Cruiser-Racers have ratios 16-20
- Racers have ratios above 20
- High-Performance Racers have ratios above 24
Sail-area/displacement ratio (SA/D ratio): 17.17

Maintenance

Rig

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
Jib sheet	15.0 m	(49.3 feet)	16 mm	(5/8 inch)
Genoa sheet	15.0 m	(49.3 feet)	16 mm	(5/8 inch)
Mainsheet	37.5 m	(123.2 feet)	16 mm	(5/8 inch)
Spinnaker sheet	33.0 m	(108.4 feet)	16 mm	(5/8 inch)

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

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Finally

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References

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