Review of Seamaster 925
Basic specs.
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The boat is equipped with 7 berths, a galley and toilet facility.
The Seamaster 925 is 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.
Fin keel
The Seamaster 925 is equipped with a fin keel. A boat with a fin keel is more manoeuvrable but has less directional stability than a similar boat with a full keel.
The boat can enter most marinas as the draft is just about 1.52 - 1.62 meter (4.99 - 5.29 ft) dependent on the load. See immersion rate below.
Seamaster 925 may be equipped with an inboard Volvo Penta diesel engine at 10 hp (7 kW).
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 Seamaster 925 is 2.00, indicating that this boat would not be accepted to participate in ocean races.
The immersion rate is defined as the weight required to sink the boat a certain level.
The immersion rate for Seamaster 925 is about 186 kg/cm, alternatively 1044 lbs/inch.
Meaning: if you load 186 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 1044 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 L/B (Length Beam Ratio)?
The l/b ratio for Seamaster 925 is 3.01.
SA/D (Sail Area Displacement ratio)
Indicates how fast the boat is in light wind:
- Cruising Boats have ratios 10-15
- Cruiser-Racers have ratios 16-20
- Racers have ratios above 20
- High-Performance Racers have ratios above 24
Sail-area/displacement ratio (SA/D ratio): 13.05
Maintenance
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 | ||
| Jib sheet | 9.2 m | (30.1 feet) | 12 mm | (1/2 inch) |
| Genoa sheet | 9.2 m | (30.1 feet) | 12 mm | (1/2 inch) |
| Mainsheet | 22.9 m | (75.1 feet) | 12 mm | (1/2 inch) |
| Spinnaker sheet | 20.2 m | (66.1 feet) | 12 mm | (1/2 inch) |
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