Review of AB 78

Basic specs.

The AB 78 is a large motorboat.

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Interior

The boat is equipped with 8+2 berths and 1000.0 liter fresh water capacity.

Engine

The AB 78 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with dual inboard MTU diesel engines at 1800 hp (1341 kW). The speed is 50.0 knots.

Alternative 2:

AB 78 may be equipped with an inboard Caterpillar diesel engine

The fuel tank has a capacity of 6600.0 liters (1743 US gallons, 1451 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

AB 78 holds a 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 AB 78 is about 867 kg/cm, alternatively 4856 lbs/inch.
Meaning: if you load 867 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 4856 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 AB 78 is 4.36.

Sorry, we do not have sufficient statistical information available for this boat to provide a significant reliable analysis.

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.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

Finally

We are always looking for new photos. If you can contribute with photos for AB 78 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.