Review of Shetland 640
Basic specs.
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The boat can enter even shallow marinas as the draft is just about 0.61 - 0.71 meter (2.00 - 2.30 ft) dependent on the load. See immersion rate below.
Shetland 640 is typically equipped with an outboard engine at 125.0 hp (93 kW).
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.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Shetland 640 is about 111 kg/cm, alternatively 621 lbs/inch.
Meaning: if you load 111 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 621 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.
What is L/B (Length Beam Ratio)?
The l/b ratio for Shetland 640 is 2.47.
Curiosities
In Denmark, you are required to have achieved a 'powerboat driving license' in order to sail a powerboat.
In this context a boat is considered a powerboat if:
Danish definition of a powerboat
Maintenance
This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.
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