Review of Riviera 4000 Open

Basic specs.

The Riviera 4000 Open is a large motorboat. The Riviera 4000 Open is built by the Australian yard Riviera.

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Interior

The boat is equipped with 460.0 liter fresh water capacity.

Engine

The boat may be equipped with dual inboard Caterpillar 3208 diesel engines at 870 hp (648 kW). Max speed is 35.0 knots.

The fuel tank has a capacity of 1550.0 liters (409 US gallons, 340 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 Riviera 4000 Open is about 394 kg/cm, alternatively 2208 lbs/inch.
Meaning: if you load 394 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2208 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 Riviera 4000 Open is 3.10.

Compared with other similar motor boats it is more spacy than 69% of all other designs. It seems that the designer has chosen a slightly 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 Riviera 4000 Open 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.