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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
| 24 kt
|
| Beat Angles | 44.1° | 42.1° | 40.6° | 39.4° | 39.1° | 39.1° | 39.8° | 41.4° |
| Beat VMG | 3.00 | 3.65 | 4.09 | 4.33 | 4.42 | 4.45 | 4.42 | 4.28 |
| 52° | 4.61 | 5.45 | 5.94 | 6.19 | 6.29 | 6.33 | 6.36 | 6.31 |
| 60° | 4.86 | 5.68 | 6.12 | 6.35 | 6.46 | 6.52 | 6.57 | 6.56 |
| 75° | 5.02 | 5.83 | 6.25 | 6.50 | 6.68 | 6.80 | 6.91 | 6.97 |
| 90° | 5.01 | 5.93 | 6.40 | 6.68 | 6.84 | 6.97 | 7.22 | 7.36 |
| 110° | 5.01 | 5.98 | 6.48 | 6.84 | 7.15 | 7.41 | 7.78 | 8.05 |
| 120° | 4.83 | 5.83 | 6.40 | 6.78 | 7.13 | 7.46 | 8.08 | 8.60 |
| 135° | 4.35 | 5.39 | 6.12 | 6.54 | 6.89 | 7.23 | 7.95 | 8.84 |
| 150° | 3.71 | 4.70 | 5.51 | 6.15 | 6.54 | 6.86 | 7.49 | 8.24 |
| Run VMG | 3.21 | 4.07 | 4.79 | 5.46 | 6.03 | 6.43 | 7.04 | 7.65 |
| Gybe Angles | 145.3° | 147.0° | 153.6° | 161.9° | 175.4° | 178.6° | 179.0° | 178.6° |
APH ToD:637.0CDL: 6.948APH ToT: 0.9419CertNo:4165.01
BOATClassNICHOLSON 1/2 TONDesignerRON HOLLANDBuilderCAMPER & NICHOLSONAge date01.1978Series date01.1978Offset fileUS15178.BOFData fileRU4165_Le Siel
HULLLength Overall9.205 mMaximum Beam3.115 mDraft1.649 mDisplacement2 977 kgDLR7.7911IMS DivisionCruiser/RacerDynamic Allowance0.020%Age Allowance0.487%
PROPELLERInstallationShaft exposedTypeSolid 2 bladesDiameter0.330m
CREWMaximum weight436 kg(default)Minimum weight306 kg
* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail25.0225.41Headsail Luffed24.8024.80Headsail FlyingSymmetric54.1854.18Asymmetric51.6251.62
(All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS
(m²)
Trysail7.49Storm Jib5.47Heavy Weather Jib14.75
SAIL LIMITSHeadsails1
* Woven polyester sails
Spinnakers4
* Asymmetric may be tacked on the pole
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)ClassNICHOLSON 1/2 TONMeasurement03.06.2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.205Max. Beam3.115Draft1.649Displacement2 977Wetted area16.26IMS L7.432LSM07.256Acc. length9.205Sink (kg/mm)
12.07
VCGD0.050VCGM0.102RM Rated
(kg·m)
54.6Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight436Declared crew weightN/A
PROPELLERPropeller TypeSolid 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.330PBW0.130PIPA0.0138
PSD0.025PHD0.052PHL0.210
PSA22.0°ESL0.790
ST10.025ST20.105ST30.105
ST40.060ST50.165
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunners/Checkstays0Spreaders1Rotating mastNo
P11.410IG10.450ISP10.600MDT10.110MDL10.170MDT2MDL2TLNo TaperMWGO
E3.750J3.450BAS1.300FSD0.040SFJ0.203SPL3.560WPLTPS4.300BD0.140MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodVCG entered directlyVCG entered0.050Flotation Date29.06.2017
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.741.332.353.1425.0220.05.2021
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.070.581.132.323.604.8810.40NoNo 24.8020.05.2021
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment310.4310.4310.436.286.0554.1822.09.2023
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment411.6710.5711.125.446.0989%51.6230.05.2024
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.2 mTable area0.44 m²Headroom1.64 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity64 lMinimum number of seats in cockpit
4
Food stowage0.24 m³Fuel capacity34 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.