Review of Nytec 25'

Basic specs.

sail specifications
The Nytec 25' is a small sailboat designed by the maritime architect Della Rosa.

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The hull is made of fibreglass. Generally, a hull made of 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 boat is equipped with 2+2 berths.

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 Nytec 25' is 2.56, 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 6.4 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 Nytec 25' is about 117 kg/cm, alternatively 656 lbs/inch.
Meaning: if you load 117 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 656 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 Nytec 25' is 8.3.

Low High 5% 0 50 100
Comparing this ratio with similar sailboats show that it is more comfortable than 5% 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 Nytec 25' is 3.00.

Wide Slim 54% 0 50 100
Compared with other similar sailboats it is slimmer than 54% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Nytec 25' is 77 which categorizes this boat among 'ultra light racers'.

Heavy Light 96% 0 50 100
96% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.



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 7.5 m(24.6 feet)10 mm(3/8 inch)
Genoa sheet 7.5 m(24.6 feet)10 mm(3/8 inch)
Mainsheet 18.8 m(61.5 feet)10 mm(3/8 inch)
Spinnaker sheet16.5 m(54.1 feet)10 mm(3/8 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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