Review of Cape Cod Baby Knockabout

Basic specs.

The Cape Cod Baby Knockabout is a small sailing dinghy designed by the maritime architect Charles S. Gurney in the mid twenties. A few thousand boats have been produced. The Cape Cod Baby Knockabout is built by the American yard Cape Cod Shipbuilding Co..

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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.
Some boats has a hull made of Wood.

Keel

CentreBoard

The Cape Cod Baby Knockabout is equipped with a centreboard keel. A centreboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.

The boat can sail close to the beach as the draft is just 0.23 - 0.33 meter (0.75 - 1.05 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 Cape Cod Baby Knockabout is about 57 kg/cm, alternatively 324 lbs/inch.
Meaning: if you load 57 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 324 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 Cape Cod Baby Knockabout is 3.00.

Compared with other similar dinghies it is slimmer than 82% of all other designs. It seems that the designer has chosen a significantly 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

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References

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