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Let me introduce one sailing yacht design I developed for my friend Berejnoi Igor. He builds his yacht using one.
Ffeel free to discuss it in blog and offer your own design to place at this page. |
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LOA = 9.90m
BOA = 3.29m
LWL = 9.17m
BWL = 2.73m
Displ.= 4.75t Draft = 1.70m
Ballast = 1.2t in the bulb
Sail area = 54.0m²
Sails: Bermuda Sloop: Mainsail S=24.0m²
Genoa S=30.0m², furling gear.
Accomodation: three separate cabins and saloon
Galley: stove with oven, refrigerator, cold-hot water, two sinks
Head: with shower, cold-hot water
Engine: volvo-Penta, 30 h.p.
Water tank: 150L
Fuel tank: 100L
Data and Coefficients
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Wetted Area m² |
21,482 |
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Waterpl. Area m² |
17,381 |
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Prismatic Coeff. |
0,512 |
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Block Coeff. |
0,109 |
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Midship Area Coeff. |
0,218 |
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Waterpl. Area Coeff. |
0,692 |
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LCB to Amidsh. m |
0,249 Aft |
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LCF to Amidsh. m |
0,448 Aft |
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KB m |
0,257 |
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KG m |
0,433 |
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BMt m |
1,632 |
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BML m |
16,842 |
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GMt m |
1,456 |
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GML m |
16,666 |
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KMt m |
1,889 |
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KML m |
17,099 |
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TPc Tonne/cm |
0,178 |
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MTc Tonne.m |
0,088 |
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| Displacement diagram |
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Speed/Power diagram |
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| Stability diagram |
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| Results |
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Rule |
Criteria |
Units |
Required |
Actual |
Status |
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1 |
IMO |
Area 0. to 30. |
m.Degrees |
3,15 |
10,4 |
Pass |
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4 |
IMO |
GZ at 30. or greater |
m |
0,3 |
17,149 |
Pass |
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5 |
IMO |
Angle of GZ max |
Degrees |
20 |
6,75 |
Pass |
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6 |
IMO |
GM |
m |
0,5 |
0,854 |
Pass |
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7 |
U.S. Navy |
Angle of Heel |
Degrees |
20 |
60 |
Pass |
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8 |
U.S. Navy |
Wind Heeling (Levers) - 20 knts |
m |
maxRM * 0.6 > eqRM |
maxRM = 0,854, eqRM = 0,364 |
Pass |
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9 |
U.S. Navy |
Wind Heeling (Areas) - 20 knts |
m.Degrees |
A1 > A2 * 1.4 |
A1 = 42,63, A2 = 8,126 |
Pass |
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10 |
U.S. Navy |
Margin Line Immersion |
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Not Immersed |
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Not Analysed |
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11 |
MARPOL 73 |
Final Waterline |
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No DownFlooding |
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Not Analysed |
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12 |
MARPOL 73 |
Angle of Heel |
Degrees |
25 |
0 |
Pass |
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13 |
MARPOL 73 |
Range of Positive Stability |
Degrees |
20 |
140,35 |
Pass |
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14 |
MARPOL 73 |
Residual Righting Lever |
m |
0,1 |
0,854 |
Pass |
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15 |
USL |
5 Passengers of 75 kg. 1 m.from CL |
Degrees |
10 |
3,026 |
Pass |
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The drawings |
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