Review of Hylas 49

Basic specs.

The Hylas 49 is a large sailboat designed by the American maritime architect bureau Sparkman & Stephens. The Hylas 49 is built by the American yard Queen Long Marine.

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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 boat can only enter major marinas as the draft is about 1.92 - 2.02 meter (6.30 - 6.60 ft) dependent on the load. See immersion rate below.

Engine

The boat is typically equipped with an inboard Yanmar diesel engine at 75.0 hp (55 kW).

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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Hylas 49 is about 438 kg/cm, alternatively 2453 lbs/inch.
Meaning: if you load 438 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2453 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 Hylas 49 is 3.41.

Compared with other similar sailboats it is more spacy than 58% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.

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	14.9 m	(49.0 feet)	16 mm	(5/8 inch)
Genoa sheet	14.9 m	(49.0 feet)	16 mm	(5/8 inch)
Mainsheet	37.3 m	(122.5 feet)	16 mm	(5/8 inch)
Spinnaker sheet	32.8 m	(107.8 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

We are always looking for new photos. If you can contribute with photos for Hylas 49 it would be a great help.

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References

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