Review of Nimbus 305 Coupé

Basic specs.

The Nimbus 305 Coupé is a motorboat. The Nimbus 305 Coupé is built by the Swedish yard Nimbus Boats AB.

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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 2 cabins, 4+2 berths, a galley, 150.0 liter fresh water capacity and 80.0 liter waste water capacity.

Engine

The Nimbus 305 Coupé has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Volvo Penta D3-220 diesel engine at 220 hp (163 kW). Max speed is 21.0 knots.

The transmission is a shaft drive. A shaft drive will in the long run require less maintenance than other types of drive e.g. a sail drive.

Alternative 2:

Nimbus 305 Coupé may be equipped with an inboard Volvo Penta D3-150 diesel engine at 150 hp (111 kW). Max speed is 17.0 knots.

The transmission is a shaft drive. A shaft drive will in the long run require less maintenance than other types of drive e.g. a sail drive.

The fuel tank has a capacity of 250.0 liters (66 US gallons, 54 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

Nimbus 305 Coupé holds a CE certification:

If less than 8 in on board the boat is by European Union certified as Class B. OFFSHORE:

Designed for offshore voyages where conditions up to, and including, wind force 8 (Beaufort scale) and significant wave heights up to, and including, 4 m may be experienced.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Nimbus 305 Coupé is about 219 kg/cm, alternatively 1227 lbs/inch.
Meaning: if you load 219 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1227 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 Nimbus 305 Coupé is 3.00.

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 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 Nimbus 305 Coupé 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.