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Review of Superhawk 40


Superhawk 40
Superhawk 40 anno 2001.

Basic specs.

sail specifications
The Superhawk 40 is a large motorboat designed by the British maritime architect Don Shead. The Superhawk 40 is built by the British yard Sunseeker.

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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.

Engine

The boat is typically equipped with dual inboard Yanmar 6LY2 STE 420 diesel engines at 840.0 hp (625 kW).

The fuel tank has a capacity of 700.0 liters (184 US gallons, 153 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 Superhawk 40 is about 258 kg/cm, alternatively 1450 lbs/inch.
Meaning: if you load 258 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1450 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 Superhawk 40 is 3.77.

Wide Slim 88% 0 50 100
Compared with other similar motor boats it is slimmer than 88% 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:

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 shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.



Finally

We are always looking for new photos. If you can contribute with photos for Superhawk 40 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