Club
Certificate
2023

Boat

CAROL MAY

GBR-5208L_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles46.0°43.8°42.6°41.8°40.8°40.8°41.8°
Beat VMG2.693.323.784.134.354.414.35
52°4.215.085.696.116.356.476.49
60°4.495.375.956.326.556.696.75
75°4.685.586.166.516.756.947.16
90°4.825.826.436.756.907.047.42
110°4.945.976.576.957.277.537.87
120°4.805.856.506.917.267.588.21
135°4.345.396.186.677.047.408.15
150°3.694.735.616.276.707.047.72
Run VMG3.194.104.885.546.116.567.21
Gybe Angles146.6°150.2°153.8°159.5°171.8°177.2°179.0°

APH: 645.3

CDL: 6.938

GPH: 729.5

CertNo: 520801

BOAT
ClassDUFOUR 30 CLASSICDesignerJAKOPIN & JAKOPIBuilderDUFOURAge date02/2000Series date01/2000Offset fileDU30CLAS.offData fileGBR5208L_C
HULL
Length Overall9.030 mMaximum Beam3.040 mDraft1.550 mDisplacement3,415 kgDLR7.0564IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight340 kgMinimum weight255 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.9422.34Headsail Luffed18.9718.97Headsail FlyingSymmetric58.6858.68Asymmetric
STORM SAIL AREAS (m²)
Trysail6.66Storm Jib6.80Heavy Weather Jib18.36
SAIL LIMITS
Headsails5 * Woven polyester sails  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  03510002J94Issued on 25/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CAROL MAY

GBR-5208L_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1339.11084.4953.4871.5828.3815.9826.8
52°855.6708.0632.2589.7566.8556.7554.9
60°801.0670.8605.0569.7549.6538.5533.1
75°768.7645.3584.3553.0533.3518.9502.7
90°747.6618.9560.2533.7521.4511.6485.1
110°728.5602.6547.6518.0495.4478.1457.3
120°750.7615.4553.6521.1496.1474.6438.4
135°829.8668.0582.1539.6511.3486.7441.8
150°975.9760.5641.8574.0537.2511.2466.4
Run VMG1126.8877.9738.3649.5589.0549.1499.5
Selected Courses
Windward / Leeward1233.0981.2845.8760.5708.7682.5663.1
All purpose943.5764.1672.0618.5587.0569.0549.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward800.20.7498
All purpose645.30.9298
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6251
Downwind "popa"0.8350
70% up, 30% down "Ilhabela"0.6760
30% up, 70% down "Ilhabela-inverso"0.7585
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Predominantly Upwind710.50.8444
Predominantly Downwind643.30.9327
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low853.80.7027
Triple Number All Purpose Medium640.50.9367
Triple Number All Purpose High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Predominantly Upwind710.50.8444
Predominantly Downwind643.30.9327
Predominantly Upwind Low981.50.6113
Predominantly Upwind Medium741.80.8088
Predominantly Upwind High675.10.8888
Predominantly Downwind Low903.80.6639
Predominantly Downwind Medium627.90.9556
Predominantly Downwind High523.71.1457
Chicago-Mac Upwind0.8246
Chicago-Mac All Purpose0.8658
Chicago-Mac Downwind0.9155
Bayview-Mac Cove Island0.7954
Bayview-Mac Shore0.7980
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching607.70.9874
Predominantly Reaching Low761.10.7884
Predominantly Reaching Medium600.01.0000
Predominantly Reaching High525.81.1410
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1213.60.4944
5-Band Low / Medium1005.90.5965
5-Band Medium777.90.7713
5-Band Medium / High690.20.8694
5-Band High666.50.9002
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance704.1
Triple Number Coastal/Long Distance Low853.8
Triple Number Coastal/Long Distance Medium640.5
Triple Number Coastal/Long Distance High566.2
Triple Number Windward/Leeward Low1107.0
Triple Number Windward/Leeward Medium794.4
Triple Number Windward/Leeward High681.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7027
Triple Number Coastal/Long Distance Medium0.9367
Triple Number Coastal/Long Distance High1.0597
Triple Number Windward/Leeward Low0.5420
Triple Number Windward/Leeward Medium0.7553
Triple Number Windward/Leeward High0.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low853.8
Triple Number Coastal/Long Distance Medium640.5
Triple Number Coastal/Long Distance High566.2
Triple Number Windward/Leeward Low1107.0
Triple Number Windward/Leeward Medium794.4
Triple Number Windward/Leeward High681.7
Predominantly Upwind710.5
Predominantly Downwind643.3
Predominantly Reaching620.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7027
Triple Number Coastal/Long Distance Medium0.9367
Triple Number Coastal/Long Distance High1.0597
Triple Number Windward/Leeward Low0.5420
Triple Number Windward/Leeward Medium0.7553
Triple Number Windward/Leeward High0.8801
Coastal/Long Distance0.8522
Predominantly Upwind0.8444
Predominantly Downwind0.9327
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7027
Tretall Distanseseilas Mellomvind0.9367
Tretall Distanseseilas Mye vind1.0597
Tretall Pølsebane Lite vind0.5420
Tretall Pølsebane Mellomvind0.7553
Tretall Pølsebane Mye vind0.8801
Distanseseilas ett tall (OSN 8-16kn)0.8522
Distanseseilas ett tall (APH 6-20kn)0.9298
Enkeltall Motvind0.8444
Enkeltall Medvind0.9327
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Coastal/Long Distance704.10.8522
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind710.50.8444
Predominantly Downwind643.30.9327
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore668.90.8969
Cape Doctor Coastal555.41.0804
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7027
Triple Number Coastal/Long Distance Medium0.9367
Triple Number Coastal/Long Distance High1.0597
Triple Number Windward/Leeward Low0.5420
Triple Number Windward/Leeward Medium0.7553
Triple Number Windward/Leeward High0.8801
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7027
Triple Number Coastal/Long Distance Medium0.9367
Triple Number Coastal/Long Distance High1.0597
Triple Number Windward/Leeward Low0.5420
Triple Number Windward/Leeward Medium0.7553
Triple Number Windward/Leeward High0.8801
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Predominantly Upwind710.50.8444
Predominantly Downwind643.30.9327
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance704.10.8522
Triple Number Coastal/Long Distance Low853.80.7027
Triple Number Coastal/Long Distance Medium640.50.9367
Triple Number Coastal/Long Distance High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1222.3918.2758.8662.0609.5574.1519.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low853.80.7027
Triple Number All Purpose Medium640.50.9367
Triple Number All Purpose High566.21.0597
Triple Number Windward/Leeward Low1107.00.5420
Triple Number Windward/Leeward Medium794.40.7553
Triple Number Windward/Leeward High681.70.8801
Predominantly Upwind710.50.8444
Predominantly Downwind643.30.9327
Predominantly Upwind Low981.50.6113
Predominantly Upwind Medium741.80.8088
Predominantly Upwind High675.10.8888
Predominantly Downwind Low903.80.6639
Predominantly Downwind Medium627.90.9556
Predominantly Downwind High523.71.1457
Chicago-Mac Upwind0.8246
Chicago-Mac All Purpose0.8658
Chicago-Mac Downwind0.9155
Bayview-Mac Cove Island0.7954
Bayview-Mac Shore0.7980
Harvest Moon Regatta549.81.0912
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy671.70.8933
San Francisco Bay Medium792.10.7574
Predominantly Reaching607.70.9874
Predominantly Reaching Low761.10.7884
Predominantly Reaching Medium600.01.0000
Predominantly Reaching High525.81.1410
Windward/Leeward 60-40 Low1128.00.5319
Windward/Leeward 60-40 Medium832.30.7209
Windward/Leeward 60-40 High729.80.8221
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1213.60.4944
5-Band Low / Medium1005.90.5965
5-Band Medium777.90.7713
5-Band Medium / High690.20.8694
5-Band High666.50.9002
ORC Ref  03510002J94Issued on 25/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CAROL MAY

GBR-5208L_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 30 CLASSICMeasurement22/04/2023HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.030Max. Beam3.040Draft1.550Displacement3,415Wetted area18.41IMS L8.005LSM07.851Acc. length9.030Sink (kg/mm) 14.33
VCGD-0.009VCGM0.038RM Rated (kg·m) 79.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0095
EDL1.470ST10.040ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionFixedInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.100IG11.660ISP11.660MDT10.120MDL10.185MDT20.120MDL20.185TLMW0.185GO0.185
E3.765J3.350BAS1.460FSD0.032SFJ0.000SPL3.540WPLTPSBD0.120MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered80.0Flotation Date01/01/2010MeasurerComment
SFFP0.787FFMFF1.179LCFcl4.900SG
SAFP8.220FAMFA0.951LCFsh5.133HBI1.038
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002J94Issued on 25/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

CAROL MAY

GBR-5208L_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMS0.120.701.302.343.1121.9422/04/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHS0.040.410.791.632.533.4811.27NoNo 18.9722/04/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentSIM10.7810.7810.786.556.4658.6822/04/2023
ORC Ref  03510002J94Issued on 25/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org