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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 | 44.4° | 42.1° | 40.9° | 40.6° | 40.9° | 40.8° | 41.2° | 42.6° |
| Beat VMG | 2.78 | 3.39 | 3.80 | 4.05 | 4.18 | 4.24 | 4.25 | 4.17 |
| 52° | 4.28 | 5.06 | 5.60 | 5.92 | 6.08 | 6.15 | 6.20 | 6.18 |
| 60° | 4.52 | 5.29 | 5.80 | 6.10 | 6.26 | 6.34 | 6.41 | 6.41 |
| 75° | 4.66 | 5.46 | 5.97 | 6.27 | 6.46 | 6.58 | 6.70 | 6.76 |
| 90° | 4.57 | 5.40 | 5.97 | 6.30 | 6.52 | 6.69 | 6.92 | 7.06 |
| 110° | 4.14 | 5.08 | 5.80 | 6.25 | 6.54 | 6.76 | 7.14 | 7.43 |
| 120° | 3.95 | 4.89 | 5.64 | 6.15 | 6.47 | 6.71 | 7.14 | 7.53 |
| 135° | 3.51 | 4.46 | 5.22 | 5.84 | 6.25 | 6.53 | 6.98 | 7.42 |
| 150° | 3.02 | 3.94 | 4.72 | 5.37 | 5.91 | 6.28 | 6.76 | 7.19 |
| Run VMG | 2.62 | 3.43 | 4.16 | 4.81 | 5.38 | 5.88 | 6.49 | 6.91 |
| Gybe Angles | 149.3° | 154.1° | 163.1° | 170.3° | 174.5° | 177.7° | 179.5° | 179.5° |
APH ToD:696.1CDL: 6.674APH ToT: 0.8620CertNo:
BOATClassHR 312DesignerEnderleinBuilderHallberg RassyAge date01.1980Series date01.1979Offset fileCLHR312.offData fileKAJSA__2023
HULLLength Overall9.420 mMaximum Beam3.090 mDraft1.614 mDisplacement5 117 kgDLR11.5755IMS DivisionCruiser/RacerDynamic Allowance0.680%Age Allowance0.487%
PROPELLERInstallationStrutTypeFolding 2 bladesDiameter0.380m
CREWMaximum weight350 kg(declared)Minimum weight220 kg
* when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail21.4121.65Headsail Luffed29.7429.74Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail6.69Storm Jib7.46Heavy Weather Jib20.13
SAIL LIMITSHeadsails1
Spinnakers0
* Spinnaker pole aboard
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)ClassHR 312Measurement06.06.2023HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.420Max. Beam3.090Draft1.614Displacement5 117Wetted area22.86IMS L7.694LSM07.617Acc. length9.420Sink (kg/mm)
14.00
VCGD-0.059VCGM-0.048RM Rated
(kg·m)
70.4Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight467Declared crew weight350
PROPELLERPropeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0033
EDL0.700ST10.050ST20.170
ST30.170ST40.100ST50.300
RIGForestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunners/CheckstaysSpreaders1Rotating mastNo
P10.850IG12.210ISP12.420MDT10.130MDL10.160MDT2MDL2TLNo TaperMWGO
E3.520J4.010BAS1.380FSDFoilSFJ0.000SPL4.050WPLTPS0.000BDMWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date13.07.2024
SFFP0.874FFM1.180FF1.180LCFcl5.387SG1.0260
SAFP9.147FAM0.960FA0.960LCFsh5.615HBI0.999
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.120.651.172.082.8221.4106.06.2023
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.030.581.192.493.885.2711.63NoNo 29.7406.06.2023
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.4 mTable area0.44 m²Headroom1.66 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity68 lMinimum number of seats in cockpit
4
Food stowage0.24 m³Fuel capacity38 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.