Review of Absolute 56 STC

Basic specs.

The Absolute 56 STC is a large motorboat designed in the mid 2000. The Absolute 56 STC is built by the Italian yard Absolute SpA.

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Hull

Both the hull and the deck 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 6 berths and 500.0 liter fresh water capacity.

Engine

The Absolute 56 STC has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with three inboard Volvo Penta D6-IPS 600 diesel engines at 1305 hp (972 kW).

The transmission is a Z-drive aka sterndrive.

Alternative 2:

Absolute 56 STC may be equipped with dual inboard Volvo Penta D6-IPS 600 diesel engines at 870 hp (648 kW).

The transmission is a Z-drive aka sterndrive.

The fuel tank has a capacity of 1600.0 liters (422 US gallons, 351 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.

EU classification

Absolute 56 STC holds a CE certification:

The boat is by European Union certified as Class B. OFFSHORE:

Designed for offshore voyages where conditions up to, and including, wind force 8 (Beaufort scale) and significant wave heights up to, and including, 4 m may be experienced.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Absolute 56 STC is about 523 kg/cm, alternatively 2930 lbs/inch.
Meaning: if you load 523 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2930 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 Absolute 56 STC is 3.61.

Compared with other similar motor boats it is slimmer than 62% 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 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.

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 Absolute 56 STC 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.