Review of Cayman 40 Open

Basic specs.

The Cayman 40 Open is a large motorboat designed by the Italian maritime architect Prosperi. The Cayman 40 Open is built by the Italian yard Cayman Yachts.

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Interior

The boat is equipped with 500.0 liter fresh water capacity.

Engine

The Cayman 40 Open has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with dual inboard Volvo Penta engines at 480 hp (357 kW).

Alternative 2:

Cayman 40 Open may be equipped with dual inboard Caterpillar diesel engines at 840 hp (625 kW). Max speed is 37.0 knots.

The fuel tank has a capacity of 1400.0 liters (369 US gallons, 307 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Cayman 40 Open is about 359 kg/cm, alternatively 2013 lbs/inch.
Meaning: if you load 359 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2013 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 Cayman 40 Open is 2.96.

Compared with other similar motor boats it is more spacy than 76% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.

Curiosities

Powerboat?

In Denmark, you are required to have achieved a 'powerboat driving license' in order to sail a powerboat.
In this context a boat is considered a powerboat if:

Danish definition of a powerboat

According to this definition this boat is categorized as a Powerboat.

Maintenance

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.

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Finally

We are always looking for new photos. If you can contribute with photos for Cayman 40 Open 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.