Review of Oyster Mariner 35
Basic specs.
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The headroom is above average
The Oyster Mariner 35 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 long keel.
The boat can enter most marinas as the draft is just about 1.60 - 1.70 meter (5.25 - 5.55 ft) dependent on the load. See immersion rate below.
Oyster Mariner 35 is typically equipped with an inboard Perkins 4.108 M diesel engine at 48.0 hp (35 kW), which gives a max speed about 6.9 knots.
The transmission is a shaft drive. A shaft drive will in the long run require less maintenence than other types of drive e.g. a sail drive.
The fuel tank has a capacity of 227.0 liters (59 US gallons, 49 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 Oyster Mariner 35 is 1.91, 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 7.2 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 Oyster Mariner 35 is about 216 kg/cm, alternatively 1213 lbs/inch.
Meaning: if you load 216 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1213 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 Oyster Mariner 35 is 29.1.
What is L/B (Length Beam Ratio)?
The l/b ratio for Oyster Mariner 35 is 2.92.
What is Displacement Length Ratio?
The DL-ratio for Oyster Mariner 35 is 292 which categorizes this boat among 'medium weight cruisers'.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 35m2 (376 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 | 10.7 m | (35.0 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 10.7 m | (35.0 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 26.7 m | (87.5 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 23.5 m | (77.0 feet) | 14 mm | (0.55 inch) |
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