Review of Hustler 30 SJ

Basic specs.

The Hustler 30 SJ is a sailboat designed by the maritime architect Stephen Jones in the late seventies.

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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. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

Interior

The boat is equipped with 75.0 liter fresh water capacity.

Rig

The Hustler 30 SJ 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.

Engine

The boat may be equipped with an inboard BMW diesel engine at 7 hp (5 kW). Calculated max speed is about 3.8 knots

The fuel tank has a capacity of 30.0 liters (7 US gallons, 6 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.

Stability and Safety

What is Capsize Screening Formula (CSF)?

The capsize screening value for Hustler 30 SJ is 2.31, indicating that this boat would not 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 6.6 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 Hustler 30 SJ is about 160 kg/cm, alternatively 900 lbs/inch.
Meaning: if you load 160 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 900 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 Hustler 30 SJ is 16.3.

Comparing this ratio with similar sailboats show that it is more comfortable than 14% of all similar sailboat designs. This is a comfort value significantly below average.

L/B (Length Beam Ratio)

What is L/B (Length Beam Ratio)?

The l/b ratio for Hustler 30 SJ is 2.83.

Compared with other similar sailboats it is more spacy than 79% of all other designs. It seems that the designer has chosen a significantly more spacy hull design.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Hustler 30 SJ is 209 which categorizes this boat among 'light crusers & offshore racers'.

73% of all similar sailboat designs are categorized as heavier. A light displacement requires less sailarea and has higher accellerations.

SA/D (Sail Area Displacement ratio)

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

The SA/D for Hustler 30 SJ with ISO 8666 reference sail is 18.8, with a 135% genua the SA/D is 21.6.

The SA/D ratio indicates that it is faster than 82% of all similar sailboat designs in light wind.

Maintenance

Rig

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.

**Guiding dimensions of running rig**
Usage	Length		Diameter
Mainsail halyard	29.1 m	(95.6 feet)	10 mm	(3/8 inch)
Jib/genoa halyard	29.1 m	(95.6 feet)	10 mm	(3/8 inch)
Spinnaker halyard	29.1 m	(95.6 feet)	10 mm	(3/8 inch)
Jib sheet	9.3 m	(30.4 feet)	12 mm	(1/2 inch)
Genoa sheet	9.3 m	(30.4 feet)	12 mm	(1/2 inch)
Mainsheet	23.2 m	(76.0 feet)	12 mm	(1/2 inch)
Spinnaker sheet	20.4 m	(66.9 feet)	12 mm	(1/2 inch)
Cunningham	4.0 m	(13.3 feet)	10 mm	(3/8 inch)
Kickingstrap	8.1 m	(26.5 feet)	10 mm	(3/8 inch)
Clew-outhaul	8.1 m	(26.5 feet)	10 mm	(3/8 inch)

Boat owner's ideas

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

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Finally

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References

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