The Redwing 28 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 even shallow marinas as the draft is just about 0.99 - 1.09 meter (3.25 - 3.55 ft) dependent on the load. See immersion rate below.
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 Redwing 28 is 1.62, 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 6.0 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 Redwing 28 is about 68 kg/cm, alternatively 384 lbs/inch.
Meaning: if you load 68 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 384 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 Redwing 28 is 17.7.
What is L/B (Length Beam Ratio)?
The l/b ratio for Redwing 28 is 5.07.
What is Displacement Length Ratio?
The DL-ratio for Redwing 28 is 139 which categorizes this boat among 'ultra light racers'.
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 12m2 (129 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 | 8.5 m | (27.9 feet) | 10 mm | (3/8 inch) |
Genoa sheet | 8.5 m | (27.9 feet) | 10 mm | (3/8 inch) |
Mainsheet | 21.3 m | (69.8 feet) | 10 mm | (3/8 inch) |
Spinnaker sheet | 18.7 m | (61.4 feet) | 10 mm | (3/8 inch) |
This section shown boat owner's changes, improvements, etc. Here you might find inspiration for your boat.
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