Club
Certificate
2023

Boat

ARGO

ESP-10833_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 Angles46.6°44.8°43.2°42.0°41.2°40.6°40.2°
Beat VMG3.324.164.815.315.645.825.97
52°5.256.457.317.918.298.518.70
60°5.676.847.668.218.568.799.01
75°5.977.127.928.458.809.089.52
90°5.857.047.908.498.939.269.79
110°5.596.967.998.669.149.6010.50
120°5.406.777.838.559.069.5310.52
135°4.796.157.258.118.709.1710.10
150°4.045.266.337.227.908.389.10
Run VMG3.504.565.496.256.847.268.27
Gybe Angles143.8°146.0°146.9°147.1°147.5°148.7°172.1°

APH: 522.7

CDL: 11.823

GPH: 596.2

CertNo: 108331

BOAT
ClassDufour 520 GLDesignerFelciBuilderDufour yachtsAge date02/2019Series date01/2019Offset fileDufo520GL_CL.offData fileE10833_C
HULL
Length Overall14.750 mMaximum Beam4.798 mDraft2.229 mDisplacement15,043 kgDLR5.4734IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.130%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.460m
CREW
Maximum weight640 kgMinimum weight480 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail55.6857.00Headsail Luffed77.5377.53Headsail FlyingSymmetricAsymmetric146.72146.72 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail15.88Storm Jib14.88Heavy Weather Jib40.18
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO. MEDIDAS ESTIMADAS
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  03510002BR2Issued on 30/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ARGO

ESP-10833_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 VMG1085.7864.9747.8678.0638.0618.9602.6
52°685.8558.0492.6455.1434.2423.1414.0
60°635.0526.4469.7438.4420.5409.7399.5
75°603.0506.0454.3426.2409.1396.4378.2
90°615.8511.6455.7424.0403.1388.8367.8
110°644.5517.1450.5415.6393.8375.0342.9
120°667.2532.0460.0420.8397.4377.6342.1
135°751.4585.3496.4443.9413.7392.8356.3
150°891.4684.0568.4498.9455.7429.5395.8
Run VMG1029.2789.8656.3576.1526.3496.0435.3
Selected Courses
Windward / Leeward1057.5827.3702.1627.1582.1557.5518.9
All purpose800.5637.1549.4498.3467.8449.1422.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward662.30.9060
All purpose522.71.1479
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8021
Downwind "popa"0.9315
70% up, 30% down "Ilhabela"0.8370
30% up, 70% down "Ilhabela-inverso"0.8885
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Predominantly Upwind565.81.0605
Predominantly Downwind540.31.1105
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low718.80.8347
Triple Number All Purpose Medium519.31.1555
Triple Number All Purpose High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Predominantly Upwind565.81.0605
Predominantly Downwind540.31.1105
Predominantly Upwind Low806.20.7442
Predominantly Upwind Medium582.01.0310
Predominantly Upwind High511.51.1729
Predominantly Downwind Low790.60.7589
Predominantly Downwind Medium537.41.1164
Predominantly Downwind High438.81.3674
Chicago-Mac Upwind1.0350
Chicago-Mac All Purpose1.0582
Chicago-Mac Downwind1.0866
Bayview-Mac Cove Island0.9662
Bayview-Mac Shore0.9816
Victoria-Maui1.1606
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance575.0
Triple Number Coastal/Long Distance Low718.8
Triple Number Coastal/Long Distance Medium519.3
Triple Number Coastal/Long Distance High443.8
Triple Number Windward/Leeward Low942.4
Triple Number Windward/Leeward Medium657.5
Triple Number Windward/Leeward High549.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8347
Triple Number Coastal/Long Distance Medium1.1555
Triple Number Coastal/Long Distance High1.3519
Triple Number Windward/Leeward Low0.6367
Triple Number Windward/Leeward Medium0.9125
Triple Number Windward/Leeward High1.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low718.8
Triple Number Coastal/Long Distance Medium519.3
Triple Number Coastal/Long Distance High443.8
Triple Number Windward/Leeward Low942.4
Triple Number Windward/Leeward Medium657.5
Triple Number Windward/Leeward High549.2
Predominantly Upwind565.8
Predominantly Downwind540.3
Predominantly Reaching509.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8347
Triple Number Coastal/Long Distance Medium1.1555
Triple Number Coastal/Long Distance High1.3519
Triple Number Windward/Leeward Low0.6367
Triple Number Windward/Leeward Medium0.9125
Triple Number Windward/Leeward High1.0925
Coastal/Long Distance1.0434
Predominantly Upwind1.0605
Predominantly Downwind1.1105
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8347
Tretall Distanseseilas Mellomvind1.1555
Tretall Distanseseilas Mye vind1.3519
Tretall Pølsebane Lite vind0.6367
Tretall Pølsebane Mellomvind0.9125
Tretall Pølsebane Mye vind1.0925
Distanseseilas ett tall (OSN 8-16kn)1.0434
Distanseseilas ett tall (APH 6-20kn)1.1479
Enkeltall Motvind1.0605
Enkeltall Medvind1.1105
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Coastal/Long Distance575.01.0434
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind565.81.0605
Predominantly Downwind540.31.1105
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore530.51.1310
Cape Doctor Coastal430.51.3937
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8347
Triple Number Coastal/Long Distance Medium1.1555
Triple Number Coastal/Long Distance High1.3519
Triple Number Windward/Leeward Low0.6367
Triple Number Windward/Leeward Medium0.9125
Triple Number Windward/Leeward High1.0925
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8347
Triple Number Coastal/Long Distance Medium1.1555
Triple Number Coastal/Long Distance High1.3519
Triple Number Windward/Leeward Low0.6367
Triple Number Windward/Leeward Medium0.9125
Triple Number Windward/Leeward High1.0925
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Predominantly Upwind565.81.0605
Predominantly Downwind540.31.1105
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance575.01.0434
Triple Number Coastal/Long Distance Low718.80.8347
Triple Number Coastal/Long Distance Medium519.31.1555
Triple Number Coastal/Long Distance High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1054.7774.6626.2536.0487.2453.6402.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low718.80.8347
Triple Number All Purpose Medium519.31.1555
Triple Number All Purpose High443.81.3519
Triple Number Windward/Leeward Low942.40.6367
Triple Number Windward/Leeward Medium657.50.9125
Triple Number Windward/Leeward High549.21.0925
Predominantly Upwind565.81.0605
Predominantly Downwind540.31.1105
Predominantly Upwind Low806.20.7442
Predominantly Upwind Medium582.01.0310
Predominantly Upwind High511.51.1729
Predominantly Downwind Low790.60.7589
Predominantly Downwind Medium537.41.1164
Predominantly Downwind High438.81.3674
Chicago-Mac Upwind1.0350
Chicago-Mac All Purpose1.0582
Chicago-Mac Downwind1.0866
Bayview-Mac Cove Island0.9662
Bayview-Mac Shore0.9816
Harvest Moon Regatta443.11.3540
Victoria-Maui1.1606
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy533.31.1251
San Francisco Bay Medium649.50.9238
Predominantly Reaching1.2178
Predominantly Reaching Low0.9330
Predominantly Reaching Medium1.2264
Predominantly Reaching High1.4580
Windward/Leeward 60-40 Low949.00.6323
Windward/Leeward 60-40 Medium674.40.8897
Windward/Leeward 60-40 High572.51.0481
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1039.80.5771
5-Band Low / Medium849.80.7061
5-Band Medium642.90.9333
5-Band Medium / High560.91.0697
5-Band High525.61.1416
ORC Ref  03510002BR2Issued on 30/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ARGO

ESP-10833_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 520 GLMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.750Max. Beam4.798Draft2.229Displacement15,043Wetted area51.06IMS L13.945LSM014.006Acc. length14.750Sink (kg/mm) 41.56
VCGD-0.219VCGM-0.138RM Rated (kg·m) 657.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.460PBWPIPA0.0257
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerYesArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P16.200IG17.250ISP17.550MDT10.100MDL10.110MDT2MDL2TLMWGO
E5.600J5.590BAS1.900FSD0.040SFJ0.000SPLWPLTPS6.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.200Flotation Date01/01/2010MeasurerComment
SFFP0.658FFMFF1.669LCFcl8.294SG
SAFP14.475FAMFA1.258LCFsh8.611HBI1.457
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002BR2Issued on 30/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ARGO

ESP-10833_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment155.68
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment18.40NoNo 77.53
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment117.50NaN146.72
ORC Ref  03510002BR2Issued on 30/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org