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Review of Baltic 40


Basic specs.

sail specifications
The Baltic 40 is a large sailboat designed by the German maritime architect bureau judel / vrolijk & co - engineering GmbH in the late eighties. Only a few boats have been produced. The Baltic 40 is built by the Finnish yard Baltic Yachts Ltd..

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Hull

Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season.
The hull is a double hull which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin.
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 3 cabins, 4-6 berths, a galley, 190.0 liter fresh water capacity and toilet facility.


Rig

The Baltic 40 is equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.


Keel

Fin keel

The Baltic 40 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.

The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.

The boat can only enter major marinas as the draft is about 2.18 - 2.28 meter (7.15 - 7.45 ft) dependent on the load. See immersion rate below.


Engine

Baltic 40 may be equipped with an inboard Yanmar 3HM35F diesel engine at 34 hp (25 kW). The speed is 7.5 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.

The fuel tank, which is made of stainless steel, has a capacity of 125.0 liters (33 US gallons, 27 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Baltic 40 is 2.07, indicating that this boat would not be accepted to participate in ocean races.


Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.7 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 Baltic 40 is about 259 kg/cm, alternatively 1452 lbs/inch.
Meaning: if you load 259 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1452 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.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for Baltic 40 is 22.4.

Low High 18% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 18% of all similar sailboat designs. This is a comfort value significantly below average.


L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Baltic 40 is 3.09.

Slim Wide 69% 0 50 100
Compared with other similar sailboats it is more spacy than 69% of all other designs. It seems that the designer has chosen a slightly more spacy hull design.


Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for Baltic 40 is 41%.

Low High 58% 0 50 100
This ballast ratio shows a righting moment that is higher than 58% of all similar sailboat designs. A righting moment (ability to resist heeling) just above average.


D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Baltic 40 is 190 which categorizes this boat among 'light racers'.

Heavy Light 76% 0 50 100
76% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.


SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Baltic 40 with ISO 8666 reference sail is 19.9, with a 135% genua the SA/D is 23.6.

Low High 76% 0 50 100
The SA/D ratio indicates that it is faster than 76% of all similar sailboat designs in light wind.


Over- / underrigged

Low High 69% 0 50 100
The Baltic 40 has more rig than 69% of all similar sailboats, which indicates that the boat is slightly overrigged.


Maintenance

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 45m2 (484 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.


Rig

Dimensions of sail for masthead rig.

mainsail specifications headsail specifications

Are your sails worn out? You might find your next sail here: Sails for Sale



If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.



Guiding dimensions of running rig
UsageLengthDiameter
Mainsail halyard 37.7 m(123.8 feet)12 mm(1/2 inch)
Jib/genoa halyard37.7 m(123.8 feet)12 mm(1/2 inch)
Spinnaker halyard37.7 m(123.8 feet)12 mm(1/2 inch)
Jib sheet 12.0 m(39.4 feet)14 mm(0.55 inch)
Genoa sheet12.0 m(39.4 feet)14 mm(0.55 inch)
Mainsheet 30.0 m(98.4 feet)14 mm(0.55 inch)
Spinnaker sheet26.4 m(86.6 feet)14 mm(0.55 inch)
Cunningham4.5 m(14.6 feet)12 mm(1/2 inch)
Kickingstrap8.9 m(29.2 feet)12 mm(1/2 inch)
Clew-outhaul8.9 m(29.2 feet)12 mm(1/2 inch)

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 Baltic 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