Review of Delphin 80

Basic specs.

sail specifications
The Delphin 80 is a sailboat designed by the German maritime architect T. Stölcken.

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The boat is equipped with 6 berths.


The boat can enter even shallow marinas as the draft is just about 1.05 - 1.15 meter (3.44 - 3.74 ft) dependent on the load. See immersion rate below.


Delphin 80 is typically equipped with an inboard engine.

The transmission is a shaft drive. A shaft drive will in the long run require less maintenence than other types of drive e.g. a sail drive.

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 Delphin 80 is 1.79, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Delphin 80 is about 200 kg/cm, alternatively 1124 lbs/inch.
Meaning: if you load 200 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1124 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 Delphin 80 is 3.33.

Wide Slim 62% 0 50 100
Compared with other similar sailboats it is slimmer than 62% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

SA/D (Sail Area Displacement ratio)

SA/D (Sail Area Displacement ratio)
Indicates how fast the boat is in light wind:
- Cruising Boats have ratios 10-15
- Cruiser-Racers have ratios 16-20
- Racers have ratios above 20
- High-Performance Racers have ratios above 24
Sail-area/displacement ratio (SA/D ratio): 13.58



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
Jib sheet 10.0 m(32.8 feet)12 mm(1/2 inch)
Genoa sheet10.0 m(32.8 feet)12 mm(1/2 inch)
Mainsheet 25.0 m(81.9 feet)12 mm(1/2 inch)
Spinnaker sheet22.0 m(72.1 feet)12 mm(1/2 inch)

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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