Review of Hurley 30/90
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 interior is like few other boats made in fibreglass.
The boat is equipped with 6 berths, a galley, 100.0 liter fresh water capacity and toilet facility.
The Hurley 30/90 has been built with different keel alternatives.
Fin keel
One option is a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.
The boat can enter most marinas as the draft is just about 1.50 - 1.60 meter (4.92 - 5.22 ft) dependent on the load. See immersion rate below.
Fin keel
Another option is a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full 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.
Hurley 30/90 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.
The Hurley 30/90 has been equipped with different engine alternatives.
Alternative 1:
The boat may be equipped with an inboard Yanmar diesel engine at 14 hp (10 kW). Max speed is 6.0 knots.
The transmission is a shaft drive. A shaft drive will in the long run require less maintenance than other types of drive e.g. a sail drive.
Alternative 2:
The boat may be equipped with an inboard Volvo Penta 2002 diesel engine
The transmission is a shaft drive. A shaft drive will in the long run require less maintenance than other types of drive e.g. a sail drive.
The fuel tank has a capacity of 15.0 liters (3 US gallons, 3 imperial gallons).
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 Hurley 30/90 is 1.80, indicating that this boat could - if evaluated by this formula alone - 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 6.6 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 Hurley 30/90 is about 145 kg/cm, alternatively 815 lbs/inch.
Meaning: if you load 145 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 815 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 Hurley 30/90 is 28.9.
What is L/B (Length Beam Ratio)?
The l/b ratio for Hurley 30/90 is 3.08.
The ballast ratio for Hurley 30/90 is 44%.
What is Displacement Length Ratio?
The DL-ratio for Hurley 30/90 is 324 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 25m2 (269 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 | 9.1 m | (30.0 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.1 m | (30.0 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 22.9 m | (75.0 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 20.1 m | (66.0 feet) | 12 mm | (1/2 inch) |
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