Review of Corribee Mk I
Basic specs.
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The hull is made of plywood.
Some boats has a hull made of Fibreglass.
The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.
CentreBoard
The Corribee Mk I is equipped with a centreboard keel. A centreboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.
The boat can enter even shallow marinas as the draft is just about 0.59 - 0.69 meter (1.94 - 2.24 ft) dependent on the load. See immersion rate below.
An outboard motor is often used on this boat. In that case the boat will typically require a power of 1 - 2 hp, alternatively 22 - 27 lbs thrust if you prefer an electrical motor. Electric outboards are becoming popular for sailboat owners who want clean instant power with less noise and no exhaust fumes.
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 Corribee Mk I is 2.41, indicating that this boat would not 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 5.1 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 Corribee Mk I is about 56 kg/cm, alternatively 316 lbs/inch.
Meaning: if you load 56 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 316 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 Corribee Mk I is 9.2.
What is L/B (Length Beam Ratio)?
The l/b ratio for Corribee Mk I is 3.23.
The ballast ratio for Corribee Mk I is 37%.
What is Displacement Length Ratio?
The DL-ratio for Corribee Mk I is 164 which categorizes this boat among 'light racers'.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 10m2 (107 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 | 6.2 m | (20.2 feet) | 10 mm | (3/8 inch) |
| Genoa sheet | 6.2 m | (20.2 feet) | 10 mm | (3/8 inch) |
| Mainsheet | 15.4 m | (50.6 feet) | 10 mm | (3/8 inch) |
| Spinnaker sheet | 13.6 m | (44.5 feet) | 10 mm | (3/8 inch) |
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