Review of Bandholm 33

Bandholm 33.

Basic specs.

The Bandholm 33 is a sailboat designed by the Danish maritime architect Knud Olsen together with Mogens Lorentzen.

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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.

Engine

The boat is typically equipped with an engine.

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 Bandholm 33 is 1.80, 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 Bandholm 33 is about 203 kg/cm, alternatively 1140 lbs/inch.
Meaning: if you load 203 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1140 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 Bandholm 33 is 3.31.

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

RSP (Relative Speed Performance)

What is Relative Speed Performance?

The Relative Speed Performance for Bandholm 33 is 50

The relative speed performance is 50 which means that a it is faster than 50% of all similar sailboat designs.

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	10.0 m	(32.9 feet)	12 mm	(1/2 inch)
Genoa sheet	10.0 m	(32.9 feet)	12 mm	(1/2 inch)
Mainsheet	25.1 m	(82.3 feet)	12 mm	(1/2 inch)
Spinnaker sheet	22.1 m	(72.4 feet)	12 mm	(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's changes, 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 Bandholm 33 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.