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Interior

The headroom is above average

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.

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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for X-443 is 1.93, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 8.2 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for X-443 is about 299 kg/cm, alternatively 1676 lbs/inch.

Meaning: if you load 299 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1676 lbs cargo on the boat it will sink 1 inch.

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.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for X-443 is 25.8.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for X-443 is 3.16.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for X-443 is 170 which categorizes this boat among 'light racers'.

SA/D (Sail Area Displacement ratio)

SA/D (Sail Area Displacement ratio)

Indicates how fast the boat is in light wind:

- Cruising Boats have ratios 10-15

- Cruiser-Racers have ratios 16-20

- Racers have ratios above 20

- High-Performance Racers have ratios above 24

Sail-area/displacement ratio (SA/D ratio): 23.03

Rig

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

Usage | Length | Diameter | ||

Jib sheet | 12.5 m | (41.0 feet) | 14 mm | (0.55 inch) |

Genoa sheet | 12.5 m | (41.0 feet) | 14 mm | (0.55 inch) |

Mainsheet | 31.2 m | (102.5 feet) | 14 mm | (0.55 inch) |

Spinnaker sheet | 27.5 m | (90.2 feet) | 14 mm | (0.55 inch) |

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 X-443 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