Review of Portofino 48

Basic specs.

The Portofino 48 is a large motorboat designed in the early 2010. The Portofino 48 is built by the British yard Sunseeker.

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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.

Interior

The boat is equipped with 322.0 liter fresh water capacity.

Engine

The Portofino 48 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with dual inboard Volvo Penta IPS 600 diesel engines

The transmission is a Z-drive aka sterndrive.

Alternative 2:

Portofino 48 may be equipped with three inboard Volvo Penta IPS 600 diesel engines

The transmission is a Z-drive aka sterndrive.

The fuel tank has a capacity of 1320.0 liters (348 US gallons, 290 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 Portofino 48 is about 453 kg/cm, alternatively 2539 lbs/inch.
Meaning: if you load 453 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2539 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 Portofino 48 is 3.66.

Compared with other similar motor boats it is slimmer than 66% of all other designs. It seems that the designer has chosen a slightly more speedy 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 not categorized as a Powerboat.
Though, if you install a motor of 250 kW (336 hp), then the boat will become a powerboat, and you will need a Danish 'powerboat driving license'

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.

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 Portofino 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.