Review of Valkvlet 11.30 OK/AK

Basic specs.

The Valkvlet 11.30 OK/AK is a motorboat. The Valkvlet 11.30 OK/AK is built by the Dutch yard P. Valk Yachts B.V..

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Interior

The boat is equipped with 2 cabins, 6 berths and 450.0 liter fresh water capacity.

Engine

The Valkvlet 11.30 OK/AK has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Ford 2725e diesel engine at 120 hp (89 kW).

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:

Valkvlet 11.30 OK/AK may be equipped with an inboard DAF 475 85 PK 6 cilinder diesel engine at 85 hp (63 kW).

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 450.0 liters (118 US gallons, 98 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 Valkvlet 11.30 OK/AK is about 261 kg/cm, alternatively 1462 lbs/inch.
Meaning: if you load 261 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1462 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 Valkvlet 11.30 OK/AK is 3.28.

Compared with other similar motor boats it is slimmer than 66% of all other designs. It seems that the designer has chosen a slightly more speedy 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 not categorized as a Powerboat.
Though, if you install a motor of 130 kW (175 hp), then the boat will become a powerboat, and you will need a Danish 'powerboat driving license'

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

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References

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