Review of Birchwood 31 C

Basic specs.

The Birchwood 31 C is a motorboat. The Birchwood 31 C is built by the British yard Birchwood.

Here we would have liked to show you nice photos of the Birchwood 31 C.
If you have a photo you would like to share: Upload Image

Looking for a new boat? Find a Birchwood 31 C or similar boat for sale

Hull

The hull is made of steel.

Interior

The boat is equipped with 6 berths.

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 Birchwood 31 C is about 212 kg/cm, alternatively 1187 lbs/inch.
Meaning: if you load 212 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1187 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 Birchwood 31 C is 2.82.

Compared with other similar motor boats it is more spacy than 79% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.

Curiosities

Powerboat?

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

According to this definition this boat is not categorized as a Powerboat.
Though, if you install a motor of 92 kW (123 hp), then the boat will become a powerboat, and you will need a Danish 'powerboat driving license'

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 Birchwood 31 C 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.