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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 | 3.13 | 3.84 | 4.36 | 4.73 | 4.91 | 5.00 | 5.05 | 5.01 |
| 52° | 3.49 | 4.76 | 5.70 | 6.32 | 6.68 | 6.86 | 6.95 | 7.04 | 7.05 |
| 60° | 3.69 | 5.00 | 5.95 | 6.51 | 6.84 | 7.03 | 7.16 | 7.27 | 7.30 |
| 75° | 3.80 | 5.14 | 6.10 | 6.66 | 6.99 | 7.23 | 7.43 | 7.67 | 7.79 |
| 90° | 3.69 | 5.02 | 5.99 | 6.64 | 7.00 | 7.28 | 7.55 | 7.99 | 8.26 |
| 110° | 3.20 | 4.48 | 5.54 | 6.36 | 6.87 | 7.23 | 7.58 | 8.24 | 8.88 |
| 120° | 2.98 | 4.22 | 5.28 | 6.13 | 6.72 | 7.10 | 7.44 | 8.15 | 8.89 |
| 135° | 2.53 | 3.69 | 4.74 | 5.60 | 6.31 | 6.80 | 7.15 | 7.82 | 8.55 |
| 150° | 2.13 | 3.16 | 4.15 | 5.02 | 5.76 | 6.39 | 6.83 | 7.48 | 8.14 |
| Run VMG | 1.84 | 2.73 | 3.61 | 4.40 | 5.15 | 5.82 | 6.39 | 7.14 | 7.77 |
| Gybe Angles | 149.8° | 149.8° | 154.1° | 161.3° | 173.9° | 174.8° | 176.6° | 178.2° | 178.0° |
APH ToD:625.7CDL: 8.369APH ToT: 0.9589CertNo: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 Allowance0.320%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS
(m²)
Trysail8.29Storm Jib7.07Heavy Weather Jib19.09
SAIL LIMITSHeadsails5✱ Zero set flying
Spinnakers0✱ Spinnaker pole aboard
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 L9.048LSM09.050Acc. length9.300Sink (kg/mm)
15.54
VCGD0.119VCGM0.028RM Rated
(kg·m)
76.6Limit 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.DateComment
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.