Club
Certificate
Double Handed
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 Angles43.2°41.8°40.8°40.2°40.2°40.5°41.2°
Beat VMG3.153.844.314.504.574.584.56
52°4.815.766.366.586.666.686.71
60°5.106.056.596.816.896.926.94
75°5.336.276.777.037.197.277.31
90°5.466.506.977.187.377.617.85
110°5.466.577.107.447.838.158.58
120°5.306.467.067.517.978.329.17
135°4.775.966.807.267.768.309.59
150°4.055.136.096.737.077.398.15
Run VMG3.514.445.275.836.136.627.33
Gybe Angles144.7°147.4°147.4°149.6°151.4°173.0°175.7°

APH: 594.9

CDL: 7.879

GPH: 666.0

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 Allowance0.227%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight180 kgMinimum weight120 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.
ORC Ref  0434000260DIssued on 27/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 VMG1144.3938.3835.9799.5788.2786.2789.7
52°747.8624.8565.9547.1540.9538.8536.6
60°706.4595.1546.0528.5522.8520.4518.7
75°675.7574.5531.6511.9500.6495.3492.4
90°659.4553.7516.5501.7488.2473.2458.4
110°659.6548.0507.2483.6459.8441.9419.5
120°678.8557.1510.0479.2451.6432.5392.7
135°755.3604.2529.7495.6464.1433.9375.3
150°888.4701.4591.4535.1509.0487.4441.8
Run VMG1025.8809.9682.9617.9587.2543.4491.2
Selected Courses
Windward / Leeward1085.0874.1759.4708.7687.7664.8640.5
All purpose833.8681.7607.1574.2556.2541.1520.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward742.20.8084
All purpose594.91.0086
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.6905
Downwind "popa"0.8827
70% up, 30% down "Ilhabela"0.7388
30% up, 70% down "Ilhabela-inverso"0.8147
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Predominantly Upwind650.90.9218
Predominantly Downwind593.61.0107
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low757.80.7918
Triple Number All Purpose Medium589.61.0176
Triple Number All Purpose High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Predominantly Upwind650.90.9218
Predominantly Downwind593.61.0107
Predominantly Upwind Low858.50.6989
Predominantly Upwind Medium676.80.8865
Predominantly Upwind High645.40.9296
Predominantly Downwind Low814.80.7364
Predominantly Downwind Medium585.81.0243
Predominantly Downwind High496.61.2082
Chicago-Mac Upwind0.9065
Chicago-Mac All Purpose0.9476
Chicago-Mac Downwind0.9950
Bayview-Mac Cove Island0.8825
Bayview-Mac Shore0.8863
Victoria-Maui1.0608
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance648.5
Triple Number Coastal/Long Distance Low757.8
Triple Number Coastal/Long Distance Medium589.6
Triple Number Coastal/Long Distance High537.1
Triple Number Windward/Leeward Low979.6
Triple Number Windward/Leeward Medium734.1
Triple Number Windward/Leeward High661.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7918
Triple Number Coastal/Long Distance Medium1.0176
Triple Number Coastal/Long Distance High1.1171
Triple Number Windward/Leeward Low0.6125
Triple Number Windward/Leeward Medium0.8173
Triple Number Windward/Leeward High0.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low757.8
Triple Number Coastal/Long Distance Medium589.6
Triple Number Coastal/Long Distance High537.1
Triple Number Windward/Leeward Low979.6
Triple Number Windward/Leeward Medium734.1
Triple Number Windward/Leeward High661.4
Predominantly Upwind650.9
Predominantly Downwind593.6
Predominantly Reaching569.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7918
Triple Number Coastal/Long Distance Medium1.0176
Triple Number Coastal/Long Distance High1.1171
Triple Number Windward/Leeward Low0.6125
Triple Number Windward/Leeward Medium0.8173
Triple Number Windward/Leeward High0.9072
Coastal/Long Distance0.9251
Predominantly Upwind0.9218
Predominantly Downwind1.0107
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9251
Tretall Distanseseilas Lite vind0.7918
Tretall Distanseseilas Mellomvind1.0176
Tretall Distanseseilas Mye vind1.1171
Tretall Pølsebane Lite vind0.6125
Tretall Pølsebane Mellomvind0.8173
Tretall Pølsebane Mye vind0.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Coastal/Long Distance648.50.9251
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind650.90.9218
Predominantly Downwind593.61.0107
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore647.80.9262
Cape Doctor Coastal526.61.1393
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7918
Triple Number Coastal/Long Distance Medium1.0176
Triple Number Coastal/Long Distance High1.1171
Triple Number Windward/Leeward Low0.6125
Triple Number Windward/Leeward Medium0.8173
Triple Number Windward/Leeward High0.9072
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7918
Triple Number Coastal/Long Distance Medium1.0176
Triple Number Coastal/Long Distance High1.1171
Triple Number Windward/Leeward Low0.6125
Triple Number Windward/Leeward Medium0.8173
Triple Number Windward/Leeward High0.9072
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Predominantly Upwind650.90.9218
Predominantly Downwind593.61.0107
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance648.50.9251
Triple Number Coastal/Long Distance Low757.80.7918
Triple Number Coastal/Long Distance Medium589.61.0176
Triple Number Coastal/Long Distance High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1079.1819.7683.8614.1578.3546.3491.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low757.80.7918
Triple Number All Purpose Medium589.61.0176
Triple Number All Purpose High537.11.1171
Triple Number Windward/Leeward Low979.60.6125
Triple Number Windward/Leeward Medium734.10.8173
Triple Number Windward/Leeward High661.40.9072
Predominantly Upwind650.90.9218
Predominantly Downwind593.61.0107
Predominantly Upwind Low858.50.6989
Predominantly Upwind Medium676.80.8865
Predominantly Upwind High645.40.9296
Predominantly Downwind Low814.80.7364
Predominantly Downwind Medium585.81.0243
Predominantly Downwind High496.61.2082
Chicago-Mac Upwind0.9065
Chicago-Mac All Purpose0.9476
Chicago-Mac Downwind0.9950
Bayview-Mac Cove Island0.8825
Bayview-Mac Shore0.8863
Harvest Moon Regatta519.71.1546
Victoria-Maui1.0608
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1068.80.5614
5-Band Low / Medium896.10.6696
5-Band Medium723.80.8290
5-Band Medium / High668.40.8977
5-Band High644.70.9307
ORC Ref  0434000260DIssued on 27/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.500Max. Beam3.212Draft1.927Displacement3,651Wetted area20.13IMS L8.781LSM08.860Acc. length9.610Sink (kg/mm) 15.42
VCGD0.200VCGM0.162RM Measured (kg·m) 71.8RM Default (kg·m) 69.2Limit 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
ORC Ref  0434000260DIssued on 27/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org

Club
Certificate
Double Handed
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
ORC Ref  0434000260DIssued on 27/06/2022Valid until 31/12/2022
VPP ver: 2022 1.01 | © ORC | www.orc.org