Review of Nordborg 15

Nordborg 15
Nordborg 15 anno 1963.

Basic specs.

sail specifications
The Nordborg 15 is a small dinghy designed by the Swedish maritime architect Ugo von Segebaden in the early forties. The Nordborg 15 is built by the Danish yard Nordborg Bådebyggeri A/S.

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Some boats has a hull made of Fibreglass.


The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated.

The boat can sail close to the beach as the draft is just 0.18 - 0.28 meter (0.59 - 0.89 ft) dependent of the load. See immersion rate below.

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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Nordborg 15 is about 49 kg/cm, alternatively 276 lbs/inch.
Meaning: if you load 49 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 276 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 Nordborg 15 is 2.74.

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


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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