Review of Nessy 94 Cr/R
Basic specs.
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The Nessy 94 Cr/R is 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 gennaker or a spinnaker for optimal speed.
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 Nessy 94 Cr/R is 2.29, 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 6.5 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 Nessy 94 Cr/R is about 156 kg/cm, alternatively 873 lbs/inch.
Meaning: if you load 156 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 873 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 Nessy 94 Cr/R is 16.8.
What is L/B (Length Beam Ratio)?
The l/b ratio for Nessy 94 Cr/R is 2.87.
What is Displacement Length Ratio?
The DL-ratio for Nessy 94 Cr/R is 233 which categorizes this boat among 'light crusers & offshore racers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Nessy 94 Cr/R with ISO 8666 reference sail is 19.0, with a 135% genua the SA/D is 21.7.
What is Relative Speed Performance?
The Relative Speed Performance for Nessy 94 Cr/R is 82
Maintenance
Dimensions of sail for fractional rig.
Are your sails worn out? You might find your next sail here: Sails for Sale
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 | ||
| Mainsail halyard | 29.5 m | (96.8 feet) | 10 mm | (3/8 inch) |
| Jib/genoa halyard | 29.5 m | (96.8 feet) | 10 mm | (3/8 inch) |
| Spinnaker halyard | 29.5 m | (96.8 feet) | 10 mm | (3/8 inch) |
| Jib sheet | 9.4 m | (30.8 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.4 m | (30.8 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 23.5 m | (77.1 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 20.7 m | (67.8 feet) | 12 mm | (1/2 inch) |
| Cunningham | 4.1 m | (13.5 feet) | 10 mm | (3/8 inch) |
| Kickingstrap | 8.3 m | (27.1 feet) | 10 mm | (3/8 inch) |
| Clew-outhaul | 8.3 m | (27.1 feet) | 10 mm | (3/8 inch) |
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