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Review of Agder 840


Agder 840
Agder 840 anno 1988.

Basic specs.

sail specifications
The Agder 840 is a motorboat designed by the maritime architect Steinar Tveit in the early eighties. The Agder 840 is built by the Norwegian yard Agder Boat Arendal.

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Hull

The hull is made of hand laid fibreglass while the deck is made of fibreglass. Generally, a hull made of hand laid 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 deck is a double deck which improves the indoor climate.


Interior

The interior is like most other boats made of teak. Teak has the advantage of being naturally very oily and therefore water-repellent, which is suitable on boats.
The boat is equipped with 2 cabins, 7 berths, a galley, 200.0 liter fresh water capacity, toilet facility and 70.0 liter waste water capacity.


Engine

The Agder 840 has been equipped with different engine alternatives.

Alternative 1:

The boat may be equipped with an inboard Yanmar diesel engine at 180 hp (134 kW). Cruise speed is 16.0 knots. Max speed is 21.0 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.

Alternative 2:

Agder 840 may be equipped with an inboard Yanmar diesel engine at 66 hp (49 kW). The speed is 13.0 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.

Alternative 3:

The boat may be equipped with an inboard Volvo Penta diesel engine

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 fibreglass, has a capacity of 200.0 liters (52 US gallons, 43 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.

EU classification

Agder 840 holds a CE certification:

The boat is by European Union certified as Class C. INSHORE:
Designed for voyages in coastal waters, large bays, estuaries, lakes and rivers where conditions up to, and including, wind force 6 (Beaufort scale) and significant wave heights up to, and including, 2 m may be experienced.


Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Agder 840 is about 180 kg/cm, alternatively 1008 lbs/inch.
Meaning: if you load 180 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1008 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 Agder 840 is 2.62.

Slim Wide 95% 0 50 100
Compared with other similar motor boats it is more spacy than 95% 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:

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 Agder 840 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