Review of Santa Cruz 37
Basic specs.
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The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.
The boat is equipped with 98.0 liter fresh water capacity.
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.
Unknown keel type
The keel is made of lead. Compared with iron, lead has the advantage of being 44% heavier, which allows a smaller keel and hence less water resistance and higher speed.
The boat can only enter major marinas as the draft is about 2.29 - 2.39 meter (7.51 - 7.81 ft) dependent on the load. See immersion rate below.
Santa Cruz 37 is typically equipped with an inboard Yanmar 3YM diesel engine at 29 hp (21 kW). Calculated max speed is about 8.0 knots
The fuel tank has a capacity of 61.0 liters (16 US gallons, 13 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.
What is Capsize Screening Formula (CSF)?
The capsize screening value for Santa Cruz 37 is 2.07, 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 7.9 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 Santa Cruz 37 is about 229 kg/cm, alternatively 1287 lbs/inch.
Meaning: if you load 229 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1287 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 Santa Cruz 37 is 16.1.
What is L/B (Length Beam Ratio)?
The l/b ratio for Santa Cruz 37 is 3.48.
The ballast ratio for Santa Cruz 37 is 43%.
What is Displacement Length Ratio?
The DL-ratio for Santa Cruz 37 is 92 which categorizes this boat among 'ultra light racers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Santa Cruz 37 with ISO 8666 reference sail is 27.2, with a 135% genua the SA/D is 31.4.
Maintenance
When buying anti-fouling bottom paint, it's nice to know how much to buy.
The surface of the wet bottom is about 44m2 (473 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.
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 | 37.1 m | (121.8 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 37.1 m | (121.8 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 37.1 m | (121.8 feet) | 12 mm | (1/2 inch) |
| Jib sheet | 11.3 m | (37.0 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 11.3 m | (37.0 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 28.2 m | (92.5 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 24.8 m | (81.4 feet) | 14 mm | (0.55 inch) |
| Cunningham | 5.2 m | (17.0 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 10.4 m | (34.0 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 10.4 m | (34.0 feet) | 12 mm | (1/2 inch) |
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