Review of Scylla 36
Basic specs.
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Both the hull and the deck 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, 4-6 berths, a galley, 500.0 liter fresh water capacity and toilet facility.
The Scylla 36 is equipped with a ketch rig. A ketch rig is generally considered easier to handle, because the sails are smaller, and because it can sail on most points to the wind with one sail completely taken down for repair or while reefing. The sail configuration of a ketch allows for better comfort and stability when sailing downwind or on a broad reach.
Fin keel
The Scylla 36 is equipped with 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 iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated. As the surface of a fin type keel is just a fraction of the total wet surface, the difference between an iron keel and a lead keel can in reality be ignored for cruising yachts.
The boat can enter most marinas as the draft is just about 1.75 - 1.85 meter (5.74 - 6.04 ft) dependent on the load. See immersion rate below.
The Scylla 36 has been equipped with different engine alternatives.
Alternative 1:
Scylla 36 may be equipped with an inboard Volvo Penta MD21 diesel engine at 62 hp (46 kW). Cruise speed is 7.0 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 2:
The boat may be equipped with an inboard Perkins 4.108 M diesel engine at 37 hp (27 kW). Calculated max speed is about 5.4 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, which is made of fibreglass, has a capacity of 350.0 liters (92 US gallons, 76 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 Scylla 36 is 1.73, 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 7.3 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 Scylla 36 is about 222 kg/cm, alternatively 1246 lbs/inch.
Meaning: if you load 222 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1246 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 Scylla 36 is 37.5.
What is L/B (Length Beam Ratio)?
The l/b ratio for Scylla 36 is 2.98.
The ballast ratio for Scylla 36 is 44%.
What is Displacement Length Ratio?
The DL-ratio for Scylla 36 is 345 which categorizes this boat among 'heavy 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): 14.73
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 37m2 (398 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.
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 | 10.8 m | (35.4 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 10.8 m | (35.4 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 27.0 m | (88.6 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 23.8 m | (78.0 feet) | 14 mm | (0.55 inch) |
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