Review of Hunter 40
Basic specs.
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The Hunter 40 has been built with more than one type of 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 long keel.
The boat can enter most marinas as the draft is just about 1.52 - 1.62 meter (4.99 - 5.29 ft) dependent on the load. See immersion rate below.
The boat is typically equipped with an inboard Yanmar diesel engine.
The fuel tank has a capacity of 151.0 liters (39 US gallons, 33 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 Hunter 40 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 7.6 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 Hunter 40 is about 271 kg/cm, alternatively 1520 lbs/inch.
Meaning: if you load 271 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1520 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 Hunter 40 is 2.95.
The ballast ratio for Hunter 40 is 34%.
What is Displacement Length Ratio?
The DL-ratio for Hunter 40 is 226 which categorizes this boat among 'light crusers & offshore racers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Hunter 40 with ISO 8666 reference sail is 18.7, with a 135% genua the SA/D is 22.5.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 42m2 (452 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.
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 | 37.9 m | (124.3 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 37.9 m | (124.3 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 37.9 m | (124.3 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 | 4.2 m | (13.7 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 8.4 m | (27.4 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 8.4 m | (27.4 feet) | 12 mm | (1/2 inch) |
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