The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.
The boat is equipped with 2 cabins, 7 berths, 120.0 liter fresh water capacity and toilet facility.
The Westerly Storm 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 Westerly Storm has been equipped with different engine alternatives.
Alternative 1:
The boat may be equipped with an inboard Volvo Penta MD2030 diesel engine at 29 hp (21 kW). Calculated max speed is about 5.9 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:
Westerly Storm may be equipped with an inboard Volvo Penta MD 2002 diesel engine at 19 hp (14 kW). Cruise speed is 6.0 knots. Max speed is 8.0 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 3:
The boat may be equipped with an inboard Volvo Penta 2003 diesel engine at 27 hp (20 kW). Calculated max speed is about 5.7 knots
The fuel tank, which is made of stainless steel, has a capacity of 90.0 liters (23 US gallons, 19 imperial gallons).
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 Westerly Storm is 2.00, 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 7.0 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 Westerly Storm is about 193 kg/cm, alternatively 1084 lbs/inch.
Meaning: if you load 193 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1084 lbs cargo on the boat it will sink 1 inch.
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 Westerly Storm is 25.2.
What is L/B (Length Beam Ratio)?
The l/b ratio for Westerly Storm is 2.88.
What is Displacement Length Ratio?
The DL-ratio for Westerly Storm is 281 which categorizes this boat among 'medium weight cruisers'.
SA/D (Sail Area Displacement ratio)
Indicates how fast the boat is in light wind:
- Cruising Boats have ratios 10-15
- Cruiser-Racers have ratios 16-20
- Racers have ratios above 20
- High-Performance Racers have ratios above 24
Sail-area/displacement ratio (SA/D ratio): 15.98
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 | 10.2 m | (33.3 feet) | 12 mm | (1/2 inch) |
Genoa sheet | 10.2 m | (33.3 feet) | 12 mm | (1/2 inch) |
Mainsheet | 25.4 m | (83.3 feet) | 12 mm | (1/2 inch) |
Spinnaker sheet | 22.3 m | (73.3 feet) | 12 mm | (1/2 inch) |
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