Review of Zuma

Basic specs.

boat specifications
The Zuma is a small dinghy designed by the maritime architect Gary Grossman together with Steve Nichols also from in the mid eighties. The Zuma is built by the American yard AMF Alcort.

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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 keel is a daggerboard. A daggerboard is a lifting keel that can be lowered and raised, allowing the boat to enter shallow waters as well. The boat can sail close to the beach as the draft is just 0.10 - 0.20 meter (0.33 - 0.63 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 Zuma is about 38 kg/cm, alternative 216 lbs/inch.
Meaning: if you load 38 kg cargo on the boat then it will sink 1 cm. Alternative, if you load 216 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 boat types and 350,000 data points.

L/B (Length Beam Ratio)
What is L/B (Length Beam Ratio)?
The l/b ratio for Zuma is 2.56.

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

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