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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 | 43.4° | 43.4° | 41.3° | 39.7° | 38.3° | 37.5° | 37.1° | 37.1° | 37.9° |
| Beat VMG | 2.24 | 3.12 | 3.84 | 4.36 | 4.73 | 4.91 | 5.00 | 5.06 | 5.01 |
| 52° | 3.48 | 4.75 | 5.70 | 6.32 | 6.67 | 6.86 | 6.96 | 7.04 | 7.05 |
| 60° | 3.69 | 5.00 | 5.94 | 6.51 | 6.84 | 7.03 | 7.16 | 7.27 | 7.30 |
| 75° | 3.80 | 5.14 | 6.10 | 6.66 | 6.98 | 7.23 | 7.43 | 7.67 | 7.79 |
| 90° | 3.79 | 5.20 | 6.24 | 6.83 | 7.13 | 7.30 | 7.54 | 7.98 | 8.26 |
| 110° | 3.80 | 5.25 | 6.35 | 6.96 | 7.36 | 7.72 | 8.03 | 8.42 | 8.75 |
| 120° | 3.65 | 5.06 | 6.17 | 6.86 | 7.31 | 7.73 | 8.13 | 8.87 | 9.38 |
| 135° | 3.21 | 4.53 | 5.65 | 6.51 | 7.04 | 7.47 | 7.91 | 8.86 | 10.19 |
| 150° | 2.65 | 3.85 | 4.94 | 5.87 | 6.60 | 7.07 | 7.47 | 8.31 | 9.36 |
| Run VMG | 2.30 | 3.33 | 4.28 | 5.10 | 5.83 | 6.41 | 6.86 | 7.61 | 8.38 |
| Gybe Angles | 146.0° | 146.0° | 150.1° | 152.8° | 158.9° | 165.7° | 172.3° | 175.4° | 170.0° |
APH ToD:592.6CDL: 8.369APH ToT: 1.0125CertNo:7303.01
BOATClassRikoshet-930DesignerBuilderSpreyAge date01.2003Series date01.2003Offset fileRIKO_930.OFFData fileRU7303_NOGANO
HULLLength Overall9.300 mMaximum Beam3.280 mDraft1.968 mDisplacement3 891 kgDLR5.2477IMS DivisionCruiser/RacerDynamic Allowance0.270%Age Allowance0.487%
PROPELLERInstallationStrutTypeFolding 2 bladesDiameter0.380m
CREWMaximum weight597 kg(default)Minimum weight467 kg
✱ when appliedNon Manual PowerCrew Arm Extension0.00 m
SAIL AREAS
(m²)
MeasuredRatedMainsail26.9027.28Headsail Luffed23.8323.83Headsail FlyingSymmetric69.9669.96Asymmetric
STORM SAIL AREAS
(m²)
Trysail8.29Storm Jib7.07Heavy Weather Jib19.09
SAIL LIMITSHeadsails5Spinnakers4
STABILITYRighting MomentN/AStability IndexN/A
COMMENTSSFFP=0,130
SFAP=8,90
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)ClassRikoshet-930Measurement24.08.2023HIN800915Plan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.300Max. Beam3.280Draft1.968Displacement3 891Wetted area21.14IMS L9.049LSM09.050Acc. length9.300Sink (kg/mm)
15.54
VCGD0.118VCGM0.027RM Rated
(kg·m)
76.7Limit of positive stability(°)
N/AStability IndexN/ADefault crew weight597Declared crew weightN/A
PROPELLERPropeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.100PIPA0.0036
EDL2.150ST10.042ST20.180
ST30.180ST40.112ST50.420
RIGForestay tensionAftInner stayNone FittedMast materialSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P11.860IG11.890ISP12.750MDT10.115MDL10.170MDT2MDL2TLMWGO
E3.990J3.555BAS1.535FSD0.030SFJ0.000SPL3.580WPLTPS4.200BD0.160MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodRM estimatedFlotation Date24.08.2023
INVENTORYFixed Ballast Total0
Total deductible
Total deductible
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment51main0.150.851.502.283.2126.90
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment51G10.053.9112.05NoNo 23.8351G20.070.530.991.922.903.7811.58YesNo 22.3405.06.2025
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment51SP113.3013.3013.306.336.2469.9651sp212.9212.9212.926.366.2468.2205.06.2025
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.