Review of Johnstone 130
Basic specs.
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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 Johnstone 130 is about 343 kg/cm, alternatively 1925 lbs/inch.
Meaning: if you load 343 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1925 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 Johnstone 130 is 3.32.
Maintenance
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 | 13.1 m | (42.8 feet) | 16 mm | (5/8 inch) |
| Genoa sheet | 13.1 m | (42.8 feet) | 16 mm | (5/8 inch) |
| Mainsheet | 32.6 m | (107.1 feet) | 16 mm | (5/8 inch) |
| Spinnaker sheet | 28.7 m | (94.3 feet) | 16 mm | (5/8 inch) |
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