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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 | 44.9° | 44.9° | 42.7° | 41.4° | 40.2° | 39.6° | 39.1° | 39.0° | 39.6° |
| Beat VMG | 2.56 | 3.55 | 4.34 | 4.92 | 5.27 | 5.44 | 5.53 | 5.60 | 5.56 |
| 52° | 4.08 | 5.52 | 6.56 | 7.25 | 7.60 | 7.77 | 7.86 | 7.95 | 7.97 |
| 60° | 4.39 | 5.87 | 6.89 | 7.48 | 7.81 | 7.99 | 8.09 | 8.20 | 8.24 |
| 75° | 4.62 | 6.13 | 7.12 | 7.66 | 7.97 | 8.19 | 8.36 | 8.58 | 8.70 |
| 90° | 4.41 | 6.02 | 7.19 | 7.81 | 8.11 | 8.28 | 8.46 | 8.84 | 9.12 |
| 110° | 4.51 | 6.18 | 7.39 | 8.00 | 8.38 | 8.71 | 8.99 | 9.35 | 9.66 |
| 120° | 4.38 | 6.04 | 7.28 | 7.93 | 8.33 | 8.69 | 9.05 | 9.73 | 10.16 |
| 135° | 3.86 | 5.42 | 6.70 | 7.57 | 8.06 | 8.44 | 8.80 | 9.61 | 10.60 |
| 150° | 3.20 | 4.55 | 5.74 | 6.77 | 7.53 | 7.97 | 8.30 | 8.91 | 9.61 |
| Run VMG | 2.77 | 3.94 | 4.97 | 5.86 | 6.53 | 7.00 | 7.40 | 8.01 | 8.54 |
| Gybe Angles | 142.3° | 142.3° | 146.5° | 148.7° | 151.7° | 156.1° | 161.2° | 165.8° | 164.2° |
APH ToD:522.9CDL: 10.646APH ToT: 1.1474CertNo:3553.03
BOATClassXC-42DesignerX-yachtsBuilderJeppesenAge date04.2011Series date01.2009Offset fileXC42.OFFData fileRU3553 VIVALDI
HULLLength Overall12.639 mMaximum Beam4.080 mDraft2.132 mDisplacement12 000 kgDLR7.6430IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.487%
PROPELLERInstallationStrutTypeFolding 3 bladesDiameter0.430m
CREWMaximum weight853 kg(default)Minimum weight723 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail52.5253.23Headsail Luffed52.8952.89Headsail FlyingSymmetricAsymmetric153.81153.81
(All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS
(m²)
Trysail16.14Storm Jib15.55Heavy Weather Jib41.98
SAIL LIMITSHeadsails6✱ One set on the forestay
Spinnakers5 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)ClassXC-42Measurement04.10.2023HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.639Max. Beam4.080Draft2.132Displacement12 000Wetted area38.22IMS L11.728LSM011.621Acc. length12.639Sink (kg/mm)
28.48
VCGD0.021VCGM-0.012RM Rated
(kg·m)
286.3Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight853Declared crew weightN/A
PROPELLERPropeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.430PBW0.128PIPA0.0042
EDL0.293ST10.065ST20.180
ST30.180ST40.110ST50.298
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P16.730IG17.540ISP18.890MDT10.150MDL10.240MDT20.150MDL20.195TL1.230MW0.256GO0.281
E5.510J4.760BAS2.040FSDFoilSFJ0.000SPLWPLTPS5.250BD0.322MWT373.00MCG5.740
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date29.09.2023
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment010.171.081.923.344.4452.5229.01.2024
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment030.110.751.473.034.716.4816.88NoNo 52.8929.01.2024
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment0419.3816.6218.0010.688.55125%153.8126.01.2024
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length12.6 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity165 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity102 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.