Review of Express 27
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 Express 27 has been built with different keel alternatives.
Unknown keel type
Fin keel
The Express 27 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.
The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.
The boat can enter even shallow marinas as the draft is just about 1.37 - 1.47 meter (4.49 - 4.79 ft) dependent on the load. See immersion rate below.
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 Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 6.4 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 Express 27 is about 114 kg/cm, alternatively 641 lbs/inch.
Meaning: if you load 114 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 641 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 Express 27 is 3.37.
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 | 23.0 m | (75.5 feet) | 8 mm | (5/16 inch) |
| Jib/genoa halyard | 23.0 m | (75.5 feet) | 8 mm | (5/16 inch) |
| Spinnaker halyard | 23.0 m | (75.5 feet) | 8 mm | (5/16 inch) |
| Jib sheet | 8.2 m | (27.0 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 8.2 m | (27.0 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 20.6 m | (67.5 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 18.1 m | (59.4 feet) | 10 mm | (3/8 inch) |
| Cunningham | 3.4 m | (11.0 feet) | 8 mm | (5/16 inch) |
| Kickingstrap | 6.7 m | (22.0 feet) | 8 mm | (5/16 inch) |
| Clew-outhaul | 6.7 m | (22.0 feet) | 8 mm | (5/16 inch) |
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