Review of Luffe 48

Basic specs.

The Luffe 48 is a large sailboat. The Luffe 48 is built by the Danish yard Oluf Jørgensens Bådebyggeri A/S.

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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

Unknown keel type

The boat can only enter major marinas as the draft is about 2.28 - 2.38 meter (7.48 - 7.78 ft) dependent on the load. See immersion rate below.

Engine

The boat may be equipped with an inboard Volvo Penta diesel engine at 55 hp (40 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Luffe 48 is 1.89, 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 Luffe 48 is about 370 kg/cm, alternatively 2075 lbs/inch.
Meaning: if you load 370 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2075 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 Luffe 48 is 3.93.

Compared with other similar sailboats it is slimmer than 93% of all other designs. It seems that the designer has chosen a significantly more speedy hull design. This type of design is also referred to as 'needle'.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Luffe 48 is 39%.

This ballast ratio shows a righting moment that is higher than 69% of all similar sailboat designs. A righting moment (ability to resist heeling) just above average.

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	14.8 m	(48.4 feet)	16 mm	(5/8 inch)
Genoa sheet	14.8 m	(48.4 feet)	16 mm	(5/8 inch)
Mainsheet	36.9 m	(121.0 feet)	16 mm	(5/8 inch)
Spinnaker sheet	32.5 m	(106.5 feet)	16 mm	(5/8 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 Luffe 48 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.