Review of Powles 36

Powles 36 anno 1980.

Basic specs.

The Powles 36 is a motorboat designed by the maritime architect Bernard Olesinski in the mid seventies. Less than 100 boats have been produced. The Powles 36 is built by the British yard Jack Powles Int.

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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, 4-6 berths, 500.0 liter fresh water capacity, toilet facility and 50.0 liter waste water capacity.

Engine

The boat may be equipped with dual inboard Ford Sabre diesel engines at 424 hp (315 kW). Max speed is 25.0 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, which is made of stainless steel, has a capacity of 1000.0 liters (264 US gallons, 219 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 Powles 36 is about 271 kg/cm, alternatively 1518 lbs/inch.
Meaning: if you load 271 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1518 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 Powles 36 is 2.80.

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.

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 Powles 36 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.