Review of Dart (J)

Basic specs.

The Dart (J) is a small sailing dinghy designed by the British maritime architect Trevor Kirby in the mid sixties.

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Hull

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.

Rig

The Dart (J) is equipped with a cat rig. A cat rig (also called an una rig) is simple to manage as there is no standing rigging, often referred to as “unstayed”. With only one sail it can be single-handed quite easily. The downside is its upwind performance.

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 Dart (J) is about 43 kg/cm, alternatively 242 lbs/inch.
Meaning: if you load 43 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 242 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 Dart (J) is 2.80.

Compared with other similar dinghies it is slimmer than 69% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

Maintenance

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.

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Finally

We are always looking for new photos. If you can contribute with photos for Dart (J) 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

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.