Review of Neptunus 106

Basic specs.

The Neptunus 106 is a motorboat designed in the mid eighties. The Neptunus 106 is built by the Dutch yard Neptunus Shipyard B.V..

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Hull

Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season.

Interior

The interior is like most other boats made of teak.
The boat is equipped with 3 cabins, 7 berths, a galley and toilet facility.

Keel

The boat can enter even shallow marinas as the draft is just about 1.00 - 1.10 meter (3.28 - 3.58 ft) dependent on the load. See immersion rate below.

Engine

Neptunus 106 is typically equipped with dual inboard Volvo Penta engines at 400.0 hp (298 kW).

The transmission is a shaft drive.

The fuel tank which is made of stainless steel has a capacity of 800.0 liters (211 US gallons, 175 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 Neptunus 106 is about 273 kg/cm, alternatively 1533 lbs/inch.
Meaning: if you load 273 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1533 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 Neptunus 106 is 3.07.

Compared with other similar motor boats it is more spacy than 58% 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 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 Neptunus 106 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.