Review of Sweden Yachts 50
Basic specs.
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Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season.
Both the hull and the deck is a sandwich construction which improves the indoor climate. Especially when the water is colder than the air in the cabin, then the double hull insulates against cold water and reduce the condense water in the cabin.
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 4 cabins, 6-8 berths, a galley, 700.0 liter fresh water capacity, toilet facility and 240.0 liter waste water capacity.
The Sweden Yachts 50 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.
The Sweden Yachts 50 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 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 only enter major marinas as the draft is about 2.60 - 2.70 meter (8.53 - 8.83 ft) dependent on the load. See immersion rate below.
Wing keel
But be aware that even though a Wing Keel keel is very good for speed racing, a fishing nets and the like in the water can easily make you into a troublesome situation.
Sweden Yachts 50 can only enter major marinas as the draft is about 1.98 - 2.08 meter (6.50 - 6.80 ft) dependent on the load. See immersion rate below.
The boat may be equipped with an inboard Volvo Penta TMD 31 diesel engine at 100 hp (74 kW). Calculated max speed is about 8.5 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.
The fuel tank has a capacity of 250.0 liters (66 US gallons, 54 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 Sweden Yachts 50 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 8.6 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 Sweden Yachts 50 is about 367 kg/cm, alternatively 2056 lbs/inch.
Meaning: if you load 367 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 2056 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 Sweden Yachts 50 is 32.4.
What is L/B (Length Beam Ratio)?
The l/b ratio for Sweden Yachts 50 is 3.51.
The ballast ratio for Sweden Yachts 50 is 41%.
What is Displacement Length Ratio?
The DL-ratio for Sweden Yachts 50 is 202 which categorizes this boat among 'light crusers & offshore racers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Sweden Yachts 50 with ISO 8666 reference sail is 18.8, with a 135% genua the SA/D is 22.4.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 66m2 (710 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 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 | 46.0 m | (151.1 feet) | 14 mm | (0.55 inch) |
| Jib/genoa halyard | 46.0 m | (151.1 feet) | 14 mm | (0.55 inch) |
| Spinnaker halyard | 46.0 m | (151.1 feet) | 14 mm | (0.55 inch) |
| Jib sheet | 15.2 m | (50.0 feet) | 16 mm | (5/8 inch) |
| Genoa sheet | 15.2 m | (50.0 feet) | 16 mm | (5/8 inch) |
| Mainsheet | 38.1 m | (125.1 feet) | 16 mm | (5/8 inch) |
| Spinnaker sheet | 33.6 m | (110.1 feet) | 16 mm | (5/8 inch) |
| Cunningham | 5.6 m | (18.4 feet) | 14 mm | (0.55 inch) |
| Kickingstrap | 11.2 m | (36.7 feet) | 14 mm | (0.55 inch) |
| Clew-outhaul | 11.2 m | (36.7 feet) | 14 mm | (0.55 inch) |
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