Club
Certificate
2022

Boat

CENTAUR

EST371

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.6°41.8°40.8°39.9°39.3°39.3°40.0°
Beat VMG3.133.814.344.644.744.774.74
52°4.815.746.396.696.796.836.83
60°5.106.036.606.886.997.047.06
75°5.336.256.767.057.267.397.49
90°5.466.507.007.277.447.648.02
110°5.456.567.107.507.868.248.76
120°5.286.447.047.497.988.449.27
135°4.745.926.777.237.708.229.49
150°4.035.106.056.697.047.338.06
Run VMG3.494.425.245.806.106.607.28
Gybe Angles145.1°147.4°147.4°149.2°151.4°173.6°175.7°

APH: 590.3

CDL: 8.133

GPH: 662.8

CertNo: 005/21

BOAT
ClassFIRST 31.7LRDesignerFINOTBuilderBeneteauAge date01/2005Series date09/1998Offset filefirst317.offData fileEST371
HULL
Length Overall9.500 mMaximum Beam3.212 mDraft1.927 mDisplacement3,651 kgDLR5.2475IMS DivisionCruiser/RacerDynamic Allowance0.239%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight350 kgMinimum weight263 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.2824.70Headsail Luffed27.6827.68Headsail FlyingSymmetricAsymmetric79.7179.71 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail7.34Storm Jib6.99Heavy Weather Jib18.87
SAIL LIMITS
Headsails1  Spinnakers4
STABILITY
Righting Moment71.8 kg·mStability 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.

Club
Certificate
2022

Boat

CENTAUR

EST371

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1150.5943.7829.5775.5759.2754.0759.9
52°748.9627.6563.2538.2530.3527.1527.3
60°706.5597.3545.1523.6514.9511.0509.9
75°675.8575.7532.3510.7496.1487.1480.8
90°659.7554.0514.3495.0484.0471.0448.9
110°660.9548.9506.9479.7458.2437.1410.9
120°681.6558.8511.1480.4451.0426.8388.3
135°759.8608.2531.6497.9467.5437.9379.5
150°892.9705.6595.0538.0511.7490.9446.9
Run VMG1031.0814.7687.1621.2590.2545.8494.2
Selected Courses
Windward / Leeward1090.8879.2758.3698.4674.7649.9627.0
All purpose837.0684.7606.2567.7548.5531.9510.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward734.90.8164
All purpose590.31.0164
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7033
Downwind "popa"0.8779
70% up, 30% down "Ilhabela"0.7479
30% up, 70% down "Ilhabela-inverso"0.8170
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Predominantly Upwind643.60.9322
Predominantly Downwind593.71.0106
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low760.80.7886
Triple Number All Purpose Medium585.51.0248
Triple Number All Purpose High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Predominantly Upwind643.60.9322
Predominantly Downwind593.71.0106
Predominantly Upwind Low862.50.6957
Predominantly Upwind Medium666.60.9001
Predominantly Upwind High626.80.9572
Predominantly Downwind Low818.90.7327
Predominantly Downwind Medium587.11.0220
Predominantly Downwind High497.21.2067
Chicago-Mac Upwind0.9154
Chicago-Mac All Purpose0.9521
Chicago-Mac Downwind0.9948
Bayview-Mac Cove Island0.8830
Bayview-Mac Shore0.8880
Victoria-Maui1.0581
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance643.7
Triple Number Coastal/Long Distance Low760.8
Triple Number Coastal/Long Distance Medium585.5
Triple Number Coastal/Long Distance High528.2
Triple Number Windward/Leeward Low985.1
Triple Number Windward/Leeward Medium727.4
Triple Number Windward/Leeward High647.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7886
Triple Number Coastal/Long Distance Medium1.0248
Triple Number Coastal/Long Distance High1.1360
Triple Number Windward/Leeward Low0.6091
Triple Number Windward/Leeward Medium0.8248
Triple Number Windward/Leeward High0.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low760.8
Triple Number Coastal/Long Distance Medium585.5
Triple Number Coastal/Long Distance High528.2
Triple Number Windward/Leeward Low985.1
Triple Number Windward/Leeward Medium727.4
Triple Number Windward/Leeward High647.5
Predominantly Upwind643.6
Predominantly Downwind593.7
Predominantly Reaching568.2
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7886
Triple Number Coastal/Long Distance Medium1.0248
Triple Number Coastal/Long Distance High1.1360
Triple Number Windward/Leeward Low0.6091
Triple Number Windward/Leeward Medium0.8248
Triple Number Windward/Leeward High0.9266
Coastal/Long Distance0.9322
Predominantly Upwind0.9322
Predominantly Downwind1.0106
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9322
Tretall Distanseseilas Lite vind0.7886
Tretall Distanseseilas Mellomvind1.0248
Tretall Distanseseilas Mye vind1.1360
Tretall Pølsebane Lite vind0.6091
Tretall Pølsebane Mellomvind0.8248
Tretall Pølsebane Mye vind0.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Coastal/Long Distance643.70.9322
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind643.60.9322
Predominantly Downwind593.71.0106
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore633.90.9465
Cape Doctor Coastal517.21.1601
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7886
Triple Number Coastal/Long Distance Medium1.0248
Triple Number Coastal/Long Distance High1.1360
Triple Number Windward/Leeward Low0.6091
Triple Number Windward/Leeward Medium0.8248
Triple Number Windward/Leeward High0.9266
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7886
Triple Number Coastal/Long Distance Medium1.0248
Triple Number Coastal/Long Distance High1.1360
Triple Number Windward/Leeward Low0.6091
Triple Number Windward/Leeward Medium0.8248
Triple Number Windward/Leeward High0.9266
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Predominantly Upwind643.60.9322
Predominantly Downwind593.71.0106
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance643.70.9322
Triple Number Coastal/Long Distance Low760.80.7886
Triple Number Coastal/Long Distance Medium585.51.0248
Triple Number Coastal/Long Distance High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.8824.1683.0606.6569.8537.2484.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low760.80.7886
Triple Number All Purpose Medium585.51.0248
Triple Number All Purpose High528.21.1360
Triple Number Windward/Leeward Low985.10.6091
Triple Number Windward/Leeward Medium727.40.8248
Triple Number Windward/Leeward High647.50.9266
Predominantly Upwind643.60.9322
Predominantly Downwind593.71.0106
Predominantly Upwind Low862.50.6957
Predominantly Upwind Medium666.60.9001
Predominantly Upwind High626.80.9572
Predominantly Downwind Low818.90.7327
Predominantly Downwind Medium587.11.0220
Predominantly Downwind High497.21.2067
Chicago-Mac Upwind0.9154
Chicago-Mac All Purpose0.9521
Chicago-Mac Downwind0.9948
Bayview-Mac Cove Island0.8830
Bayview-Mac Shore0.8880
Harvest Moon Regatta516.41.1620
Victoria-Maui1.0581
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low1074.50.5584
5-Band Low / Medium899.00.6674
5-Band Medium715.50.8386
5-Band Medium / High654.40.9168
5-Band High631.00.9509

Club
Certificate
2022

Boat

CENTAUR

EST371

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 31.7LRMeasurementHINPlan reviewHull constructionSolidAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.500Max. Beam3.212Draft1.927Displacement3,651Wetted area20.13IMS L8.853LSM08.860Acc. length9.610Sink (kg/mm) 15.42
VCGD0.200VCGM0.162RM Measured (kg·m) 71.8RM Default (kg·m) 71.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.405PBWPIPA0.0030
EDL2.512ST10.043ST20.174
ST30.174ST40.097ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P10.780IG11.753ISP11.753MDT10.105MDL10.158MDT20.105MDL20.158TLMW0.158GO0.178
E3.890J3.460BAS1.693FSD0.031SFJ0.060SPLWPLTPS4.460BD0.111MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyFlotation Date07/10/2019MeasurerComment
SFFP0.303FFMFF1.162LCFcl5.244SG
SAFP8.732FAMFA0.986LCFsh5.479HBI1.062
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2022

Boat

CENTAUR

EST371

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment20.230.791.402.383.1824.2830/05/2022OneSailsUnknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment20.070.611.182.403.674.9211.36NoNo 27.6830/05/2022OneSailsUnknown
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment112.6511.8012.237.847.76101%79.7101/06/2022OneSailsUnknownA0212.6711.0611.876.047.4082%62.4101/06/2022OneSailsUnknownA3