Review of Longliner 16

Basic specs.

The Longliner 16 is a small motorboat. The Longliner 16 is built by the British yard Orkney Boats Ltd..

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Hull

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

Engine

The Longliner 16 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an outboard engine at 6 hp (4 kW). The speed is 8.5 knots.

Alternative 2:

The boat may be equipped with an outboard engine at 15 hp (11 kW). The speed is 14.0 knots.

Alternative 3:

Longliner 16 may be equipped with an outboard engine at 25 hp (18 kW). Cruise speed is 14.0 knots. Max speed is 22.0 knots.

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 Longliner 16 is about 59 kg/cm, alternatively 335 lbs/inch.
Meaning: if you load 59 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 335 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 Longliner 16 is 2.67.

Compared with other similar motor boats it is slimmer than 86% of all other designs. It seems that the designer has chosen a significantly 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 26 kW (35 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

We are always looking for new photos. If you can contribute with photos for Longliner 16 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.