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Rated boat velocities in knots| Wind Velocity | 6 kt
| 8 kt
| 10 kt
| 12 kt
| 14 kt
| 16 kt
| 20 kt
|
| Beat Angles | 43.6° | 42.4° | 41.2° | 39.6° | 38.8° | 38.7° | 40.2° |
| Beat VMG | 2.97 | 3.55 | 3.99 | 4.27 | 4.38 | 4.41 | 4.33 |
| 52° | 4.52 | 5.34 | 5.79 | 6.03 | 6.15 | 6.20 | 6.21 |
| 60° | 4.81 | 5.59 | 5.95 | 6.18 | 6.36 | 6.46 | 6.50 |
| 75° | 5.02 | 5.73 | 6.07 | 6.35 | 6.64 | 6.86 | 7.04 |
| 90° | 4.97 | 5.73 | 6.17 | 6.54 | 6.81 | 7.07 | 7.58 |
| 110° | 4.87 | 5.77 | 6.23 | 6.68 | 7.15 | 7.61 | 8.33 |
| 120° | 4.72 | 5.66 | 6.14 | 6.57 | 7.03 | 7.54 | 8.98 |
| 135° | 4.25 | 5.17 | 5.88 | 6.27 | 6.70 | 7.15 | 8.35 |
| 150° | 3.59 | 4.55 | 5.38 | 5.95 | 6.31 | 6.71 | 7.60 |
| Run VMG | 3.11 | 3.95 | 4.68 | 5.35 | 5.85 | 6.20 | 6.94 |
| Gybe Angles | 147.8° | 152.0° | 153.8° | 164.6° | 177.5° | 179.0° | 177.2° |
APH: 650.3
CDL: 6.391
GPH: 729.4
CertNo: J24
BOATClassJ-24DesignerJOHNSTONEBuilderJ-BOATSAge dateSeries date01/1977Offset fileJ24.ODData filej24
HULLLength Overall7.318 mMaximum Beam2.692 mDraft1.225 mDisplacement1 270 kgDLR5.6520IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLERInstallationNo PropellerTypeN/ADiameterN/A
CREWMaximum weight400 kgMinimum weight300 kg
* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail15.6616.03Headsail Luffed18.7818.78Headsail FlyingSymmetric35.3435.34Asymmetric
STORM SAIL AREAS
(m²)
Trysail4.44Storm Jib3.37Heavy Weather Jib9.08
SAIL LIMITSHeadsails5
Spinnakers4
STABILITYRighting Moment27.0 kg·mStability Index94.0
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)ClassJ-24Measurement16/04/2015HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.318Max. Beam2.692Draft1.225Displacement1 270Wetted area10.15IMS L6.506LSM06.078Acc. length7.318Sink (kg/mm)
8.53
VCGD0.049VCGM0.076RM Measured
(kg·m)
27.0RM Default (kg·m)
27.8Limit of positive stability(°)
102.0Stability Index94.0
PROPELLERPropeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIGForestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P8.538IG8.125ISP8.210MDT10.087MDL10.124MDT20.087MDL20.124TL0.000MW0.124GO0.150
E2.970J2.900BAS1.080FSDSFJSPL2.975WPLTPSBD0.085MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodPoles incliningFlotation Date16/04/2015MeasurerComment
SFFP0.286FFM0.808FF0.808LCFcl4.079SG1.0250
SAFP7.317FAM0.699FA0.699LCFsh4.293HBI0.732
W120.0W220.0W320.0W420.0
PD1332.0PD2330.0PD3331.0PD4332.0
WD5.680PLM9000.00GSA1.0RSA1.0
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentORC0.150.701.181.982.6015.66
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentORC0.104.358.46NoNo 18.78
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialCommentORC8.138.138.135.225.2035.34
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateMakerMaterialComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateMakerMaterialComment