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Review of Topaz Uno


Basic specs.

sail specifications
The Topaz Uno is a small dinghy designed by the maritime architect Ian Howlett together with Rob White also from in the early 2010.

Here we would have liked to show you nice photos of the Topaz Uno.
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Rig
The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.

Keel

The Topaz Uno is equipped with a daggerboard keel. A daggerboard is a lifting keel that can be lowered and raised, allowing the boat to enter shallow waters as well.


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 Topaz Uno is about 37 kg/cm, alternatively 209 lbs/inch.
Meaning: if you load 37 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 209 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 Topaz Uno is 2.66.

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.


Maintenance

Boat owner's ideas

This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what to look for.



Finally

We are always looking for new photos. If you can contribute with photos for Topaz Uno 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