Review of Itama 46

Basic specs.

The Itama 46 is a large motorboat designed by the Italian maritime architect Mario Amati. The Itama 46 is built by the Italian yard Itama.

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Engine

The boat is typically equipped with dual inboard MTU 12V engines at 1640.0 hp (1221 kW).

The fuel tank has a capacity of 2430.0 liters (641 US gallons, 534 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 Itama 46 is about 417 kg/cm, alternatively 2340 lbs/inch.
Meaning: if you load 417 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2340 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 Itama 46 is 3.08.

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.
Further, having a maximum speed of 52.0knots, the boat is categorized as a High Performance Powerboat.

Maintenance

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

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Finally

We are always looking for new photos. If you can contribute with photos for Itama 46 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.