Review of Sunbeam 23

Basic specs.

sail specifications
The Sunbeam 23 is a small sailboat designed by the Austrian maritime architect Manfred Schöchl.

Here we would have liked to show you nice photos of the Sunbeam 23.
If you have a photos you would like to share: Upload Image

Looking for a new boat? Find a Sunbeam 23 or similar boat for sale

The boat is equipped with 2 cabins, 5 berths and toilet facility.

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 Sunbeam 23 is 2.28, indicating that this boat would not 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 Sunbeam 23 is about 116 kg/cm, alternatively 651 lbs/inch.
Meaning: if you load 116 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 651 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 22,000 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 Sunbeam 23 is 2.78.

Slim Wide 66% 0 50 100
Compared with other similar sailboats it is more spacy than 66% of all other designs. It seems that the designer has chosen a slightly more spacy 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): 19.14


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 7.0 m(22.8 feet)10 mm(3/8 inch)
Genoa sheet7.0 m(22.8 feet)10 mm(3/8 inch)
Mainsheet 17.4 m(57.0 feet)10 mm(3/8 inch)
Spinnaker sheet15.3 m(50.2 feet)10 mm(3/8 inch)

We are always looking for new photos. If you can contribute with photos for Sunbeam 23 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.