Review of Max 1

Basic specs.

The Max 1 is a small motorboat designed by the Swedish maritime architect Pelle Petterson in the late seventies. The Max 1 is built by the Swedish yard Pelle Petterson AB.

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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 Max 1 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Volvo Penta AQ 255 A engine at 255 hp (189 kW). The speed is 42.0 knots.

Alternative 2:

The boat may be equipped with an inboard Volvo Penta AQ 225 A engine at 225 hp (167 kW). The speed is 38.0 knots.

Alternative 3:

Max 1 may be equipped with an inboard Volvo Penta AQ 140 A engine at 140 hp (104 kW). The speed is 30.0 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 Max 1 is about 108 kg/cm, alternatively 609 lbs/inch.
Meaning: if you load 108 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 609 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 Max 1 is 2.60.

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:

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 Max 1 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.