Review of Vindö 40
Vindö 40 anno 1976. Meget flot og velholdt båd.
Basic specs.
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Interior
Interior of Vindö 40 anno 1979.
The boat is equipped with 5-6 berths.
Cockpit
Cockpit of Vindö 40 anno 1979.
Rig
The boat 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.
Engine
The boat is typically equipped with an inboard Volvo Penta MD2B engine at 25.0 hp (18 kW), which gives a max speed about 5.4 knots.
The fuel tank has a capacity of 40 liters (10 US gallons, 8 imperial gallons).
The fuel tank has a capacity of 40 liters (10 US gallons, 8 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.
Stability and Safety
What is Capsize Screening Formula (CSF)?
The capsize screening value for Vindö 40 is 1.72, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.
The capsize screening value for Vindö 40 is 1.72, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.
Theoretical Maximum Hull Speed
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 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.
Immersion rate
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Vindö 40 is about 148 kg/cm, alternatively 830 lbs/inch.
Meaning: if you load 148 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 830 lbs cargo on the boat it will sink 1 inch.
Meaning: if you load 148 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 830 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.
Motion Comfort Ratio
What is Motion Comfort Ratio (MCR)?
The Motion Comfort Ratio for Vindö 40 is 28.6 - 32.3.
Comparing this ratio with similar sailboats show that it is more comfortable than 90% of all similar sailboat designs.
This is a comfort value significantly above average.
The Motion Comfort Ratio for Vindö 40 is 28.6 - 32.3.
L/B (Length Beam Ratio)
What is L/B (Length Beam Ratio)?
The l/b ratio for Vindö 40 is 3.20.
Compared with other similar sailboats it is slimmer than 54% of all other designs.
It seems that the designer has chosen a slightly more speedy hull design.
The l/b ratio for Vindö 40 is 3.20.
D/L (Displacement Length Ratio)
What is Displacement Length Ratio?
The DL-ratio for Vindö 40 is 323 which categorizes this boat among 'medium weight cruisers'.
21% of all similar sailboat designs are categorized as heavier.
A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.
The DL-ratio for Vindö 40 is 323 which categorizes this boat among 'medium weight cruisers'.
SA/D (Sail Area Displacement ratio)
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Vindö 40 with ISO 8666 reference sail is 13.0, with a 135% genua the SA/D is 15.5.
The SA/D ratio indicates that it is faster than 14% of all similar sailboat designs in light wind.
The SA/D for Vindö 40 with ISO 8666 reference sail is 13.0, with a 135% genua the SA/D is 15.5.
RSP (Relative Speed Performance)
What is Relative Speed Performance?
The Relative Speed Performance for Vindö 40 is 14
The relative speed performance is 14 which means that a it is faster than 14% of all similar sailboat designs.
The Relative Speed Performance for Vindö 40 is 14
Maintenance
Rig
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.
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 | 26.4 m | (86.7 feet) | 10 mm | (3/8 inch) |
| Jib/genoa halyard | 26.4 m | (86.7 feet) | 10 mm | (3/8 inch) |
| Spinnaker halyard | 26.4 m | (86.7 feet) | 10 mm | (3/8 inch) |
| Jib sheet | 9.4 m | (30.9 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.4 m | (30.9 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 23.6 m | (77.3 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 20.7 m | (68.1 feet) | 12 mm | (1/2 inch) |
| Cunningham | 3.5 m | (11.6 feet) | 10 mm | (3/8 inch) |
| Kickingstrap | 7.1 m | (23.2 feet) | 10 mm | (3/8 inch) |
| Clew-outhaul | 7.1 m | (23.2 feet) | 10 mm | (3/8 inch) |
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References