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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° | 41.2° | 39.6° | 38.3° | 37.8° | 37.6° | 37.8° | 39.0° |
| Beat VMG | 2.29 | 3.18 | 3.88 | 4.39 | 4.72 | 4.85 | 4.91 | 4.92 | 4.83 |
| 52° | 3.57 | 4.84 | 5.76 | 6.33 | 6.67 | 6.83 | 6.89 | 6.94 | 6.91 |
| 60° | 3.77 | 5.08 | 5.99 | 6.52 | 6.83 | 7.01 | 7.09 | 7.16 | 7.15 |
| 75° | 3.89 | 5.22 | 6.14 | 6.67 | 6.98 | 7.21 | 7.37 | 7.53 | 7.60 |
| 90° | 3.77 | 5.19 | 6.25 | 6.86 | 7.20 | 7.42 | 7.56 | 7.88 | 8.07 |
| 110° | 3.79 | 5.24 | 6.33 | 6.96 | 7.37 | 7.74 | 8.07 | 8.56 | 8.91 |
| 120° | 3.66 | 5.07 | 6.16 | 6.84 | 7.27 | 7.67 | 8.06 | 8.86 | 9.64 |
| 135° | 3.21 | 4.52 | 5.62 | 6.45 | 6.98 | 7.37 | 7.76 | 8.60 | 9.91 |
| 150° | 2.64 | 3.82 | 4.88 | 5.76 | 6.49 | 6.97 | 7.34 | 8.07 | 8.95 |
| Run VMG | 2.29 | 3.31 | 4.22 | 5.00 | 5.72 | 6.31 | 6.77 | 7.47 | 8.14 |
| Gybe Angles | 144.2° | 144.2° | 147.5° | 153.2° | 158.9° | 165.5° | 172.0° | 177.2° | 176.3° |
APH ToD:595.2CDL: 8.336APH ToT: 1.0080CertNo:2545.5
BOATClassFirst 31.7DesignerFinotBuilderBeneteauAge date04.2008Series date09.1998Offset fileFIRST317.offData fileRU2545_Aliot
HULLLength Overall9.500 mMaximum Beam3.212 mDraft1.941 mDisplacement3 871 kgDLR5.5060IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLERInstallationShaft exposedTypeFolding 2 bladesDiameter0.420m
CREWMaximum weight582 kg(default)Minimum weight452 kg
✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS
(m²)
MeasuredRatedMainsail24.9725.50Headsail Luffed25.8325.83Headsail FlyingSymmetric61.8761.87Asymmetric57.4657.46
(All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS
(m²)
Trysail7.34Storm Jib7.05Heavy Weather Jib19.03
SAIL LIMITSHeadsails5Spinnakers4✱ Asymmetric may be tacked on the pole
STABILITYRighting Moment68.7 kg·mStability Index101.3
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)ClassFirst 31.7Measurement23.03.2012HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.500Max. Beam3.212Draft1.941Displacement3 871Wetted area20.62IMS L9.016LSM08.891Acc. length9.610Sink (kg/mm)
15.79
VCGD0.312VCGM0.261RM Rated
(kg·m)
68.7Limit of positive stability(°)
102.5Stability Index101.3Default crew weight582Declared crew weightN/A
PROPELLERPropeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.420PBWPIPA0.0017
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIGForestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footRunning backstays0CheckstaysSpreaders2Rotating mastNo
P10.780IG11.870ISP11.870MDT10.105MDL10.160MDT2MDL2TLNo TaperMW0.160GO0.160
E3.890J3.495BAS1.740FSD0.035SFJ0.055SPL3.570WPLTPS4.150BD0.110MWTMCG
Flying Headsail Foretriangles
IdISPTPS
FLOTATION AND STABILITYCalculation methodPoles incliningFlotation Date18.05.2010MeasurerRUS 40
SFFP0.303FFM1.134FF1.150LCFcl5.284SG1.0220
SAFP8.732FAM0.976FA0.970LCFsh5.518HBI1.048
W110.0W220.0W330.0W440.0
PD140.0PD2100.0PD3140.0PD4200.0
WD10.080PLM2000.00GSA0.6RSA50.2RM67.0
TANKSIdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing2Water Plastic1701.501Fuel Plastic307.00
INVENTORYIdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGAA10.50
A20.50
CP1rope 20 m0.500.00
26.30
16.10
3.50
3.50
1Yanmar 20 kW Weight 135 kg
INVENTORYFixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Water Plastic17001.501Fuel Plastic3007.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery256.301Battery256.101EngineYanmar 20 kW Weight 135 kgA1Anchor160.50A2Anchor160.50CP1Chainrope 20 m20.500.00Deck Gear3.50Safety Equipment3.50Total deductible340.500.00
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MAINSAILIdMHBMUWMTWMHWMQWAreaMeas.DateComment120.150.791.452.503.3024.9720.03.2017110.130.801.462.503.2924.9619.05.2010
MIZZENIdMHBMUWMTWMHWMQWAreaMeas.DateComment
HEADSAILIdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.090.591.122.253.454.7011.20NoNo 25.8319.05.201030.060.541.052.183.394.6411.25NoNo 25.3022.03.201710.070.511.022.133.324.6011.35NoNo 25.0519.05.2010
SYMMETRIC SPINNAKERIdSLUSLESLSHWSFLAreaMeas.DateComment811.3611.3611.366.586.3661.8719.05.2010711.6611.6611.666.025.9158.2819.05.2010
ASYMMETRIC SPINNAKERIdSLUSLESLSHWSFLRatioAreaMeas.DateComment612.0810.4711.286.116.14100%57.4619.05.2010
MIZZEN STAYSAILIdYSHFYSHWYSFLAreaMeas.DateComment
QUADRILATERALIdQLEQHLQFLQCDQLMMastAreaMeas.DateComment
CRUISER/RACER REQUIREMENTS*Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.