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Review of Princess 33


Princess 33
Princess 33 anno 1977.

Basic specs.

sail specifications
The Princess 33 is a motorboat designed in the mid seventies. The Princess 33 is built by the British yard Marine Projects.

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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 3 cabins, 6 berths, a galley and toilet facility.


Keel

Unknown keel type

The boat can enter even shallow marinas as the draft is just about 0.91 - 1.01 meter (2.99 - 3.29 ft) dependent on the load. See immersion rate below.


Engine

The Princess 33 has been equipped with different engine alternatives.

Alternative 1:

Princess 33 may be equipped with dual inboard Volvo Penta 145/280 gasoline engines at 145 hp (108 kW).

The transmission is a Z-drive aka sterndrive.

Alternative 2:

The boat may be equipped with dual inboard Volvo Penta diesel engines at 130 hp (96 kW).

The transmission is a Z-drive aka sterndrive.

Alternative 3:

The boat may be equipped with dual inboard Volvo Penta diesel engines at 80 hp (59 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 4:

Princess 33 may be equipped with dual inboard Volvo Penta diesel engines at 130 hp (96 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.


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 Princess 33 is about 231 kg/cm, alternatively 1294 lbs/inch.
Meaning: if you load 231 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1294 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 Princess 33 is 2.93.

Slim Wide 69% 0 50 100
Compared with other similar motor boats it is more spacy than 69% of all other designs. It seems that the designer has chosen a slightly 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:

Equation for Danish definition of a powerboat
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 Princess 33 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