Review of Comfort Class 45

Basic specs.

The Comfort Class 45 is a large motorboat designed by the Italian maritime architect Gianpiero Lazzarone. The Comfort Class 45 is built by Off Course.

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Engine

The boat is typically equipped with dual inboard Cummins EB D diesel engines at 1400.0 hp (1043 kW).

The fuel tank has a capacity of 1200.0 liters (317 US gallons, 263 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 Comfort Class 45 is about 357 kg/cm, alternatively 2004 lbs/inch.
Meaning: if you load 357 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2004 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 Comfort Class 45 is 3.51.

Compared with other similar motor boats it is slimmer than 69% 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.
Further, having a maximum speed of 60.0knots, 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 Comfort Class 45 it would be a great help.

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References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.