Review of New York Yacht Club 48

Basic specs.

The New York Yacht Club 48 is a large sailboat designed by the American maritime architect bureau Sparkman & Stephens in the mid seventies. Less than 100 boats have been produced.

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Hull

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.

Rig

The boat equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

Keel

The New York Yacht Club 48 is equipped with a centerboard keel. A centerboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.

The boat can enter most marinas as the draft is just about 1.78 - 1.88 meter (5.84 - 6.14 ft) dependent on the load. See immersion rate below.

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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for New York Yacht Club 48 is 1.69, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 8.1 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.

Immersion rate

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for New York Yacht Club 48 is about 310 kg/cm, alternatively 1737 lbs/inch.
Meaning: if you load 310 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1737 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.

Motion Comfort Ratio

What is Motion Comfort Ratio (MCR)?

The Motion Comfort Ratio for New York Yacht Club 48 is 40.5.

Comparing this ratio with similar sailboats show that it is more comfortable than 76% of all similar sailboat designs. This is a comfort value significantly above average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for New York Yacht Club 48 is 3.48.

Compared with other similar sailboats it is slimmer than 54% of all other designs. It seems that the designer has chosen a slightly more speedy hull design.

Ballast Ratio

What is a Ballast Ratio?

The ballast ratio for New York Yacht Club 48 is 50%.

This ballast ratio shows a righting moment that is higher than 97% of all similar sailboat designs. A righting moment (ability to resist heeling) significantly above average.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for New York Yacht Club 48 is 322 which categorizes this boat among 'medium weight cruisers'.

15% of all similar sailboat designs are categorized as heavier. A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.

SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for New York Yacht Club 48 with ISO 8666 reference sail is 16.0, with a 135% genua the SA/D is 19.3.

The SA/D ratio indicates that it is faster than 14% of all similar sailboat designs in light wind.

Maintenance

Rig

Dimensions of sail for masthead 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.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Mainsail halyard	43.8 m	(143.5 feet)	14 mm	(0.55 inch)
Jib/genoa halyard	43.8 m	(143.5 feet)	14 mm	(0.55 inch)
Spinnaker halyard	43.8 m	(143.5 feet)	14 mm	(0.55 inch)
Jib sheet	14.6 m	(47.8 feet)	16 mm	(5/8 inch)
Genoa sheet	14.6 m	(47.8 feet)	16 mm	(5/8 inch)
Mainsheet	36.5 m	(119.6 feet)	16 mm	(5/8 inch)
Spinnaker sheet	32.1 m	(105.2 feet)	16 mm	(5/8 inch)
Cunningham	4.9 m	(16.0 feet)	14 mm	(0.55 inch)
Kickingstrap	9.8 m	(32.0 feet)	14 mm	(0.55 inch)
Clew-outhaul	9.8 m	(32.0 feet)	14 mm	(0.55 inch)

Boat owner's ideas

This section is reserved boat owner's changes, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Finally

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If you have any comments to the review, improvement suggestions, or the like, feel free to contact us. Criticism helps us to improve.

References

[Ref 1]: ISO 8666 Small craft — Principal data.
[Ref 3]: ISO 12215-5 Small craft — Hull construction and scantlings.