Review of Luhrs 400 Convertible

Basic specs.

The Luhrs 400 Convertible is a large motorboat. The Luhrs 400 Convertible is built by the American yard Luhrs.

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Interior

The boat is equipped with 355.0 liter fresh water capacity.

Engine

The boat may be equipped with dual inboard Detroit Diesel diesel engines at 970 hp (722 kW). Max speed is 30.0 knots.

The fuel tank has a capacity of 1601.0 liters (422 US gallons, 352 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 Luhrs 400 Convertible is about 378 kg/cm, alternatively 2118 lbs/inch.
Meaning: if you load 378 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 2118 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 Luhrs 400 Convertible is 2.74.

Compared with other similar motor boats it is more spacy than 86% of all other designs. It seems that the designer has chosen a significantly 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 Luhrs 400 Convertible it would be a great help.

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References

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