Review of Ambassador 38 DS

Basic specs.

sail specifications
The Ambassador 38 DS is a motorboat. The Ambassador 38 DS is built by Cytra-Motorboote GmbH.

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The hull is made of fibreglass while the deck is made of die cast fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.
Unfortunately, the hull is not a double hull which affects the indoor climate. Especially if the water is considerable colder than the cabin, then one might expect condense water in the cabin.
The deck is a double deck which improves the indoor climate.


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 4-6 berths, a galley, 400.0 liter fresh water capacity, toilet facility and 200.0 liter waste water capacity.


The boat is typically equipped with dual inboard Volvo Penta AQ D 40 diesel engines at 260.0 hp (193 kW).

The transmission is a Z-drive.

The fuel tank has a capacity of 450.0 liters (118 US gallons, 98 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 7.5 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 Ambassador 38 DS is about 222 kg/cm, alternatively 1247 lbs/inch.
Meaning: if you load 222 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1247 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 Ambassador 38 DS is 3.20.

Wide Slim 58% 0 50 100
Compared with other similar motor boats it is slimmer than 58% of all other designs. It seems that the designer has chosen a slightly more speedy 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 categorized as a Powerboat.


Bottom Paint

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 35m2 (376 ft2).
Based on this, your favourite maritime shop can tell you the quantity you need.

Note: If you use a paint roller you will need more paint than if you use a paintbrush.

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.


We are always looking for new photos. If you can contribute with photos for Ambassador 38 DS 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.