Review of Marchi 56

Basic specs.

The Marchi 56 is a large motorboat designed by the Italian maritime architect Yankee Delta. The Marchi 56 is built by the Italian yard Marchi.

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Interior

The boat is equipped with 1500.0 liter fresh water capacity.

Engine

The Marchi 56 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with dual inboard MAN diesel engines at 820 hp (610 kW). The speed is 35.0 knots.

Alternative 2:

Marchi 56 may be equipped with dual engines at 2400 hp (1788 kW). Max speed is 38.0 knots..

The fuel tank has a capacity of 4000.0 liters (1056 US gallons, 879 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 Marchi 56 is about 568 kg/cm, alternatively 3182 lbs/inch.
Meaning: if you load 568 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 3182 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 Marchi 56 is 3.29.

Compared with other similar motor boats it is more spacy than 82% 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 Marchi 56 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.