Review of Yankee 38
Basic specs.
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The boat is typically equipped with a Westerbeke 491 diesel engine at 30.0 hp (22 kW), which gives a max speed about 5.5 knots.
The fuel tank has a capacity of 114 liters (30 US gallons, 25 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 Yankee 38 is 1.86, 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 7.2 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 Yankee 38 is about 209 kg/cm, alternatively 1171 lbs/inch.
Meaning: if you load 209 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1171 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 Yankee 38 is 29.4.
What is L/B (Length Beam Ratio)?
The l/b ratio for Yankee 38 is 3.25.
What is Displacement Length Ratio?
The DL-ratio for Yankee 38 is 301 which categorizes this boat among 'medium weight cruisers'.
What is SA/D (Sail Area Displacement ratio)?
The SA/D for Yankee 38 with ISO 8666 reference sail is 16.0, with a 135% genua the SA/D is 19.3.
Maintenance
Dimensions of sail.
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 | 33.8 m | (111.0 feet) | 12 mm | (1/2 inch) |
| Jib/genoa halyard | 33.8 m | (111.0 feet) | 12 mm | (1/2 inch) |
| Spinnaker halyard | 33.8 m | (111.0 feet) | 12 mm | (1/2 inch) |
| Jib sheet | 11.6 m | (38.1 feet) | 14 mm | (0.55 inch) |
| Genoa sheet | 11.6 m | (38.1 feet) | 14 mm | (0.55 inch) |
| Mainsheet | 29.0 m | (95.2 feet) | 14 mm | (0.55 inch) |
| Spinnaker sheet | 25.5 m | (83.8 feet) | 14 mm | (0.55 inch) |
| Cunningham | 3.7 m | (12.0 feet) | 12 mm | (1/2 inch) |
| Kickingstrap | 7.3 m | (24.0 feet) | 12 mm | (1/2 inch) |
| Clew-outhaul | 7.3 m | (24.0 feet) | 12 mm | (1/2 inch) |
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