Review of Windy 58 Zephyros

Basic specs.

The Windy 58 Zephyros is a large motorboat designed by the maritime architect Hans Jørgen Johnsen. The Windy 58 Zephyros is built by the Norwegian yard Windy Boats AS.

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Hull

Both the hull and the deck 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 3 cabins and 6 berths.

Engine

The boat is typically equipped with dual inboard Volvo Penta diesel engines at 775.0 hp (577 kW).

The fuel tank has a capacity of 2100.0 liters (554 US gallons, 461 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.

EU classification

Windy 58 Zephyros holds one CE certification:

The boat is by European Union certified as Class A. OCEAN:

Designed for extended voyages where conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4 m and above but excluding abnormal conditions, and vessels largely self-sufficient.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Windy 58 Zephyros is about 517 kg/cm, alternatively 2898 lbs/inch.
Meaning: if you load 517 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2898 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 Windy 58 Zephyros is 3.82.

Compared with other similar motor boats it is slimmer than 86% of all other designs. It seems that the designer has chosen a significantly 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.

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 Windy 58 Zephyros 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.