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Rated boat velocities in knots|
Wind Velocity
| 4 kt
| 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
| 24 kt
|
| Beat Angles | 46.7° | 46.7° | 42.7° | 41.4° | 40.4° | 39.2° | 38.4° | 38.2° | 39.1° |
| Beat VMG | 1.92 | 2.70 | 3.34 | 3.81 | 4.16 | 4.42 | 4.58 | 4.66 | 4.59 |
| 52° | 3.11 | 4.27 | 5.17 | 5.77 | 6.11 | 6.27 | 6.42 | 6.53 | 6.53 |
| 60° | 3.40 | 4.61 | 5.50 | 6.03 | 6.32 | 6.49 | 6.57 | 6.72 | 6.74 |
| 75° | 3.65 | 4.93 | 5.82 | 6.28 | 6.55 | 6.73 | 6.87 | 7.02 | 7.09 |
| 90° | 3.67 | 4.97 | 5.89 | 6.37 | 6.66 | 6.87 | 7.05 | 7.34 | 7.54 |
| 110° | 3.44 | 4.77 | 5.80 | 6.37 | 6.69 | 6.95 | 7.17 | 7.61 | 8.06 |
| 120° | 3.30 | 4.60 | 5.64 | 6.29 | 6.65 | 6.93 | 7.19 | 7.73 | 8.26 |
| 135° | 2.92 | 4.13 | 5.18 | 6.01 | 6.46 | 6.77 | 7.04 | 7.65 | 8.39 |
| 150° | 2.44 | 3.55 | 4.58 | 5.46 | 6.12 | 6.51 | 6.78 | 7.31 | 7.97 |
| Run VMG | 2.11 | 3.08 | 3.97 | 4.74 | 5.43 | 5.95 | 6.34 | 6.87 | 7.36 |
| Gybe Angles | 147.5° | 147.5° | 151.0° | 153.2° | 159.9° | 166.9° | 175.4° | 178.1° | 177.7° |
APH ToD:650.8CDL: 7.021APH ToT: 0.9220CertNo:
BOATClassFIRST 305DesignerFINOTBuilderBENETEAUAge date01.1987Series date01.1986Offset fileH098.BOFData fileAA1447RUS92_MELODY
HULLLength Overall9.370 mMaximum Beam3.222 mDraft1.791 mDisplacement4 462 kgDLR9.3222IMS DivisionCruiser/RacerDynamic Allowance0.540%Age Allowance0.487%
PROPELLERInstallationShaft exposedTypeFolding 2 bladesDiameter0.360m
CREWMaximum weight485 kg(default)Minimum weight355 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail18.8619.20Headsail Luffed22.3622.36Headsail Flying38.0438.04Symmetric61.6761.67Asymmetric
STORM SAIL AREAS
(m²)
Trysail5.41Storm Jib6.17Heavy Weather Jib16.66
SAIL LIMITSHeadsails5✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4 STABILITYRighting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and
ORC Rule 304.
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Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)ClassFIRST 305Measurement05.06.2022HIN0144085-465-3361Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.370Max. Beam3.222Draft1.791Displacement4 462Wetted area19.64IMS L8.087LSM07.822Acc. length9.302Sink (kg/mm)
13.82
VCGD-0.076VCGM0.018RM Rated
(kg·m)
67.9Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight485Declared crew weightN/A
PROPELLERPropeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.360PBW0.109PIPA0.0062
PSD0.025PHD0.078PHL0.125
PSA23.0°ESL0.890
ST10.029ST20.098ST30.098
ST40.056ST50.167
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders1Rotating mastNo
P10.000IG10.960ISP11.430MDT10.110MDL10.170MDT20.000MDL20.000TLNo TaperMW0.175GO0.220
E3.090J3.420BAS1.400FSD0.040SFJ0.000SPL3.230WPLTPS3.720BD0.120MWTMCG
Flying Headsail Foretriangles
IdISPTPS111.4303.720
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date05.06.2022
SFFP0.539FFM1.062FF1.075LCFcl5.179SG1.0110
SAFP8.558FAM0.900FA0.906LCFsh5.421HBI0.981
INVENTORYIdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA0035.400.15
0026.100.20
001Sailor Services4.750.00
INVENTORYFixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG003Battery205.400.15002Engine656.100.20001DeductibleSailor Services594.750.00Total deductible594.750.00
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment010.130.701.262.042.6318.8601.06.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment040.021.092.124.035.576.5810.25NoYes038.0407.06.2025020.060.521.012.073.164.2510.65NoNo 22.3601.06.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment0311.3511.3511.356.556.4061.6701.06.2024
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.3 mTable area0.44 m²Headroom1.65 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity66 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity36 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.