Review of X-402
Basic specs.
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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.
The X-402 has been built with different keel alternatives.
Unknown keel type
The boat can only enter major marinas as the draft is about 2.25 - 2.35 meter (7.38 - 7.68 ft) dependent on the load. See immersion rate below.
Unknown keel type
The boat can only enter major marinas as the draft is about 2.20 - 2.30 meter (7.22 - 7.52 ft) dependent on the load. See immersion rate below.
X-402 is typically equipped with an inboard Volvo Penta diesel engine at 40 hp (29 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.
What is Capsize Screening Formula (CSF)?
The capsize screening value for X-402 is 2.13, indicating that this boat would not be accepted to participate in ocean races.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for X-402 is about 320 kg/cm, alternatively 1796 lbs/inch.
Meaning: if you load 320 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1796 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 X-402 is 3.04.
The ballast ratio for X-402 is 33%.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for X-402 with ISO 8666 reference sail is 18.9, with a 135% genua the SA/D is 22.6.
What is Relative Speed Performance?
The Relative Speed Performance for X-402 is 88
Maintenance
Dimensions of sail.
Are your sails worn out? You might find your next sail here: Sails for Sale
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 | ||
| Mainsail halyard | 36.3 m | (119.0 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 36.3 m | (119.0 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 36.3 m | (119.0 feet) | 12 mm | (1/2 inch) |
| Jib sheet | 12.1 m | (39.6 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 12.1 m | (39.6 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 30.2 m | (98.9 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 26.5 m | (87.0 feet) | 14 mm | (0.55 inch) |
| Cunningham | 4.0 m | (13.1 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 8.0 m | (26.2 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 8.0 m | (26.2 feet) | 12 mm | (1/2 inch) |
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