Club
Certificate
Double Handed
2023

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 Angles43.0°41.1°39.9°39.4°39.4°39.6°40.6°
Beat VMG3.233.914.324.504.564.584.51
52°4.905.796.316.536.626.666.65
60°5.166.036.536.766.856.906.92
75°5.346.206.706.987.157.257.34
90°5.396.366.877.117.307.517.76
110°5.426.467.027.397.707.998.40
120°5.276.377.007.447.848.188.85
135°4.735.916.737.237.688.149.20
150°4.015.106.026.667.037.358.03
Run VMG3.474.425.225.766.096.567.30
Gybe Angles144.2°147.3°147.4°148.7°149.6°173.6°175.7°

APH: 598.0

CDL: 7.870

GPH: 668.3

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 kgDLR5.3876IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight190 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 MomentN/AStability 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  04340002HP5Issued on 13/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

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 VMG1115.9921.0832.5800.9789.0785.6797.7
52°734.5621.5571.0551.6544.1540.7541.4
60°697.9597.1551.7532.7525.3521.4519.9
75°674.1580.5537.2515.7503.4496.8490.8
90°668.1566.4524.4506.3493.0479.5463.9
110°664.7557.2512.5486.9467.4450.7428.3
120°683.5565.1514.4483.9459.3440.3406.7
135°761.4609.5534.7498.0468.7442.2391.5
150°898.0705.3597.7540.9512.1490.0448.4
Run VMG1036.9814.4690.2624.5591.4548.4493.2
Selected Courses
Windward / Leeward1076.4867.7761.4712.7690.2667.0645.4
All purpose830.1682.1610.9577.9559.7544.7526.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward743.70.8068
All purpose598.01.0033
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6951
Downwind "popa"0.8752
70% up, 30% down "Ilhabela"0.7408
30% up, 70% down "Ilhabela-inverso"0.8121
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Predominantly Upwind651.90.9203
Predominantly Downwind597.91.0035
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.10.7935
Triple Number All Purpose Medium593.01.0118
Triple Number All Purpose High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Predominantly Upwind651.90.9203
Predominantly Downwind597.91.0035
Predominantly Upwind Low848.60.7071
Predominantly Upwind Medium678.10.8849
Predominantly Upwind High649.10.9244
Predominantly Downwind Low817.50.7339
Predominantly Downwind Medium590.91.0154
Predominantly Downwind High502.71.1937
Chicago-Mac Upwind0.9045
Chicago-Mac All Purpose0.9430
Chicago-Mac Downwind0.9871
Bayview-Mac Cove Island0.8811
Bayview-Mac Shore0.8860
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching562.81.0661
Predominantly Reaching Low682.40.8792
Predominantly Reaching Medium555.11.0809
Predominantly Reaching High495.01.2120
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1060.30.5659
5-Band Low / Medium891.50.6730
5-Band Medium726.10.8263
5-Band Medium / High671.20.8939
5-Band High649.10.9243
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance650.5
Triple Number Coastal/Long Distance Low756.1
Triple Number Coastal/Long Distance Medium593.0
Triple Number Coastal/Long Distance High541.8
Triple Number Windward/Leeward Low972.0
Triple Number Windward/Leeward Medium736.2
Triple Number Windward/Leeward High664.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7935
Triple Number Coastal/Long Distance Medium1.0118
Triple Number Coastal/Long Distance High1.1075
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low756.1
Triple Number Coastal/Long Distance Medium593.0
Triple Number Coastal/Long Distance High541.8
Triple Number Windward/Leeward Low972.0
Triple Number Windward/Leeward Medium736.2
Triple Number Windward/Leeward High664.7
Predominantly Upwind651.9
Predominantly Downwind597.9
Predominantly Reaching574.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7935
Triple Number Coastal/Long Distance Medium1.0118
Triple Number Coastal/Long Distance High1.1075
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9026
Coastal/Long Distance0.9224
Predominantly Upwind0.9203
Predominantly Downwind1.0035
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7935
Tretall Distanseseilas Mellomvind1.0118
Tretall Distanseseilas Mye vind1.1075
Tretall Pølsebane Lite vind0.6173
Tretall Pølsebane Mellomvind0.8150
Tretall Pølsebane Mye vind0.9026
Distanseseilas ett tall (OSN 8-16kn)0.9224
Distanseseilas ett tall (APH 6-20kn)1.0033
Enkeltall Motvind0.9203
Enkeltall Medvind1.0035
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Coastal/Long Distance650.50.9224
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind651.90.9203
Predominantly Downwind597.91.0035
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore651.90.9204
Cape Doctor Coastal532.21.1273
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7935
Triple Number Coastal/Long Distance Medium1.0118
Triple Number Coastal/Long Distance High1.1075
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9026
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7935
Triple Number Coastal/Long Distance Medium1.0118
Triple Number Coastal/Long Distance High1.1075
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9026
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Predominantly Upwind651.90.9203
Predominantly Downwind597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.50.9224
Triple Number Coastal/Long Distance Low756.10.7935
Triple Number Coastal/Long Distance Medium593.01.0118
Triple Number Coastal/Long Distance High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1072.4815.9686.9618.2581.9549.7498.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.10.7935
Triple Number All Purpose Medium593.01.0118
Triple Number All Purpose High541.81.1075
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High664.70.9026
Predominantly Upwind651.90.9203
Predominantly Downwind597.91.0035
Predominantly Upwind Low848.60.7071
Predominantly Upwind Medium678.10.8849
Predominantly Upwind High649.10.9244
Predominantly Downwind Low817.50.7339
Predominantly Downwind Medium590.91.0154
Predominantly Downwind High502.71.1937
Chicago-Mac Upwind0.9045
Chicago-Mac All Purpose0.9430
Chicago-Mac Downwind0.9871
Bayview-Mac Cove Island0.8811
Bayview-Mac Shore0.8860
Harvest Moon Regatta515.11.1649
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy645.70.9292
San Francisco Bay Medium724.10.8286
Predominantly Reaching562.81.0661
Predominantly Reaching Low682.40.8792
Predominantly Reaching Medium555.11.0809
Predominantly Reaching High495.01.2120
Windward/Leeward 60-40 Low981.30.6114
Windward/Leeward 60-40 Medium764.20.7851
Windward/Leeward 60-40 High707.70.8479
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1060.30.5659
5-Band Low / Medium891.50.6730
5-Band Medium726.10.8263
5-Band Medium / High671.20.8939
5-Band High649.10.9243
ORC Ref  04340002HP5Issued on 13/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

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 L8.786LSM08.783Acc. length9.610Sink (kg/mm) 15.42
VCGD0.200VCGM0.162RM Rated (kg·m) 71.8Limit 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/Checkstays0Spreaders2Rotating mastNo
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 directlyVCG entered0.200Flotation Date07/10/2019MeasurerComment
SFFP0.303FFMFF1.162LCFcl5.244SG
SAFP8.732FAMFA0.986LCFsh5.479HBI1.062
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04340002HP5Issued on 13/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

CENTAUR

EST371

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.230.791.402.383.1824.2830/05/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.070.611.182.403.674.9211.36NoNo 27.6830/05/202230.060.500.941.812.673.4911.30NoNo 20.2723/09/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment112.6511.8012.237.847.76101%79.7101/06/2022A0212.6711.0611.876.047.4082%62.4101/06/2022A3
ORC Ref  04340002HP5Issued on 13/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org