Review of Bayliner 4085 Avanti

Basic specs.

The Bayliner 4085 Avanti is a large motorboat designed by the American maritime architect bureau US-Marine. The Bayliner 4085 Avanti is built by the American yard US-Marine.

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Hull

The hull 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 2 cabins, 6 berths, a galley, toilet facility and 170 liter waste water capacity.

Cockpit

Cockpit of Bayliner 4085 Avanti.

Engine

The boat is typically equipped with dual inboard Cummins diesel engines at 680.0 hp (506 kW).

The fuel tank has a capacity of 1250 liters (330 US gallons, 274 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 Bayliner 4085 Avanti is about 353 kg/cm, alternatively 1979 lbs/inch.
Meaning: if you load 353 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1979 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 Bayliner 4085 Avanti is 3.15.

Compared with other similar motor boats it is more spacy than 62% 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 changes, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

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References

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