Review of Leisure 27SL
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. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.
The Leisure 27SL is equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.
Bilge keel
The Leisure 27SL is equipped with a bilge keel. A bilge keel is a double keel, which allows the boat to be beached. Bilge keels are the most popular keel for tidal waters.
The boat can enter even shallow marinas as the draft is just about 1.07 - 1.17 meter (3.51 - 3.81 ft) dependent on the load. See immersion rate below.
The boat may be equipped with an inboard Volvo Penta diesel engine
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 Leisure 27SL is 2.07, indicating that this boat would not be accepted to participate in ocean races.
What is Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 6.1 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.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Leisure 27SL is about 123 kg/cm, alternatively 689 lbs/inch.
Meaning: if you load 123 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 689 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 Motion Comfort Ratio (MCR)?
The Motion Comfort Ratio for Leisure 27SL is 20.8.
What is L/B (Length Beam Ratio)?
The l/b ratio for Leisure 27SL is 2.70.
The ballast ratio for Leisure 27SL is 48%.
What is Displacement Length Ratio?
The DL-ratio for Leisure 27SL is 289 which categorizes this boat among 'medium weight cruisers'.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 19m2 (204 ft2).
Based on this, your favourite maritime shop can tell you the quantity you need.
Note: If you use a paint roller you will need more paint than if you use a paintbrush.
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 | 7.8 m | (25.4 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 7.8 m | (25.4 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 19.4 m | (63.6 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 17.1 m | (55.9 feet) | 10 mm | (3/8 inch) |
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