Review of Dufour 35
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.
The interior is like many other boats made of mahogany. Mahogany belongs to the hardwood species, known for being water-repellent and resistant to decay. It has an attractive wood grain and holds wood polish and varnish well.
The boat is equipped with 2 cabins, 8 berths, a galley and toilet facility.
The Dufour 35 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.
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 Dufour 35 is 1.90, 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 7.1 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 Dufour 35 is about 198 kg/cm, alternatively 1109 lbs/inch.
Meaning: if you load 198 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1109 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 Dufour 35 is 27.6.
What is L/B (Length Beam Ratio)?
The l/b ratio for Dufour 35 is 3.09.
What is Displacement Length Ratio?
The DL-ratio for Dufour 35 is 285 which categorizes this boat among 'medium weight cruisers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Dufour 35 with ISO 8666 reference sail is 15.3, with a 135% genua the SA/D is 18.2.
Maintenance
Dimensions of sail for masthead rig.
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 | 32.5 m | (106.5 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 32.5 m | (106.5 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 32.5 m | (106.5 feet) | 12 mm | (1/2 inch) |
| Jib sheet | 10.8 m | (35.3 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 10.8 m | (35.3 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 26.9 m | (88.2 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 23.7 m | (77.6 feet) | 14 mm | (0.55 inch) |
| Cunningham | 3.7 m | (12.1 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 7.4 m | (24.2 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 7.4 m | (24.2 feet) | 12 mm | (1/2 inch) |
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