Review of Delphia 29.2
The Delphia 29.2 is a sailboat designed by the Polish maritime architect Andrzej Skrzat
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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. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.
The boat is equipped with 6 berths.
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
The boat is by European Union categorized as type B. OFFSHORE:
Designed for offshore voyages where conditions up to, and including, wind force 8 (Beaufort scale) and significant wave heights up to, and including, 4 m may be experienced.
Theoretical Maximum Hull Speed
What is Theoretical Maximum Hull Speed?
The theoretical maximal speed of a displacement boat of this length is 6.7 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 Delphia 29.2 is about 152 kg/cm, alternatively 855 lbs/inch.
Meaning: if you load 152 kg cargo on the boat then it will sink 1 cm.
Alternatively, if you load 855 lbs cargo on the boat it will sink 1 inch.
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 Delphia 29.2 is 19.7.
Comparing this ratio with similar sailboats show that it is more comfortable than 31% of all similar sailboat designs.
This comfort value is just below average.
L/B (Length Beam Ratio)
What is L/B (Length Beam Ratio)?
The l/b ratio for Delphia 29.2 is 3.05.
Compared with other similar sailboats it is more spacy than 54% of all other designs.
It seems that the designer has chosen a slightly more spacy hull design.
D/L (Displacement Length Ratio)
What is Displacement Length Ratio?
The DL-ratio for Delphia 29.2 is 195 which categorizes this boat among 'light racers'.
79% 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)
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): 20.60
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
|Jib sheet ||9.0 m||(29.6 feet)||12 mm||(1/2 inch)|
|Genoa sheet||9.0 m||(29.6 feet)||12 mm||(1/2 inch)|
|Mainsheet ||22.5 m||(74.0 feet)||12 mm||(1/2 inch)|
|Spinnaker sheet||19.8 m||(65.1 feet)||12 mm||(1/2 inch)|
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