Review of Nautitech 46 Open

Basic specs.

The Nautitech 46 Open is a large catamaran designed by the French maritime architect Marc Lombard together with Roseo Design in the mid 2010.

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Hull

The hull is made of fibreglass. A hull made of fibreglass requires only a minimum of maintenance during the sailing season.

Interior

The boat is equipped with 3/4 cabins, 6/12 berths and 601 liters (158 US gallons, 132 imperial gallons) fresh water capacity.

Rig

The Nautitech 46 Open is built with a fractional rig. The sail area for the mailsail + jib is 112.0 m² (1,205.6 ft²). A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a gennaker or a spinnaker for optimal speed.

Keel

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 1.45 - 1.55 meter (4.76 - 5.06 ft) dependent on the load.

Engine

The fuel tank has a capacity of 601 liters (158 US gallons, 132 imperial gallons).

Nautitech 46 Open may be equipped with dual inboard Volvo Penta engines at 40 hp (29 kW).

The transmission is a saildrive.

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.

Sorry, we have no sailing characteristics available for this boat.

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 Nautitech 46 Open is 1.83.

Compared with other similar sail catamarans it is more spacy than 54% of all other designs.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Nautitech 46 Open is 117 which categorizes this boat among 'light racers'.

58% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.

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 Nautitech 46 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.