Review of Comet 26

Basic specs.

sail specifications
The Comet 26 is a motorboat designed by the Norwegian maritime architect M. Svendsen in the mid seventies. Several hundred boats have been produced. The Comet 26 is built by the Norwegian yard Comet plastindustri A/S.

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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.

The interior is like most other boats made of teak.
The boat is equipped with 2 cabins, 5-8 berths, toilet facility and 60.0 liter waste water capacity.
Note: the boat has also been sold to be self-made/-interiored, which means that the quality of each boat may vary.


Comet 26 can enter even shallow marinas as the draft is just about 0.95 - 1.05 meter (3.12 - 3.42 ft) dependent on the load. See immersion rate below.


The boat is typically equipped with an inboard BMW D 50 engine at 45.0 hp (33 kW).

The transmission is a shaft drive.

The fuel tank has a capacity of 260.0 liters (68 US gallons, 57 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.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 6.3 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Comet 26 is about 138 kg/cm, alternatively 777 lbs/inch.
Meaning: if you load 138 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 777 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 Comet 26 is 2.54.

Slim Wide 96% 0 50 100
Compared with other similar motor boats it is more spacy than 96% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.



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 not categorized as a Powerboat.
Though, if you install a motor of 63 kW (85 hp), then the boat will become a powerboat, and you will need a Danish 'powerboat driving license'


Boat owner's ideas

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

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