Club Certificate2025
TAMYESP-6853_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles44.5°44.5°42.1°40.8°39.7°39.0°38.7°39.5°39.8°
Beat VMG2.383.314.074.645.035.245.335.375.29
52°3.775.116.116.827.267.497.607.687.66
60°4.035.416.407.067.467.697.837.937.94
75°4.215.636.617.257.637.908.108.358.44
90°4.045.556.697.437.868.148.318.658.94
110°4.035.576.777.517.978.358.729.349.76
120°3.885.386.567.377.868.268.669.4510.35
135°3.374.765.946.887.517.958.349.1410.14
150°2.764.005.126.076.877.437.838.519.22
Run VMG2.393.464.445.265.956.496.957.738.35
Gybe Angles143.0°143.0°147.2°148.9°150.5°154.7°160.6°178.6°178.9°
APH ToD:556.5CDL: 9.726APH ToT: 1.0781CertNo:683201
BOAT
ClassDUFOUR 40DesignerFELCIBuilderDUFOURAge date06/2003Series date01/2003Offset fileDUFOUR40.offData fileE6853_C
HULL
Length Overall12.060 mMaximum Beam3.890 mDraft2.059 mDisplacement7,573 kgDLR6.5841IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.452m
CREW
Maximum weight525 kg(declared)Minimum weight395 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail41.4742.09Headsail Luffed33.7533.75Headsail FlyingSymmetricAsymmetric76.5276.52 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail12.93Storm Jib11.54Heavy Weather Jib31.16
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
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.
Club Certificate2025
TAMYESP-6853_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1511.71086.2884.6776.6715.2686.6675.1670.2680.9
52°956.1704.5589.1527.9496.1480.8473.9469.0469.8
60°893.8664.9562.4509.8482.6468.1460.0454.1453.3
75°855.3639.4544.3496.8471.9455.8444.4431.3426.4
90°890.6648.9537.8484.5458.3442.1433.2416.3402.8
110°893.8646.1531.9479.1451.7430.9413.0385.5368.8
120°928.8669.6548.4488.5457.9435.6415.9380.8347.7
135°1066.9756.1605.7523.2479.1452.9431.5393.7355.1
150°1305.1900.8702.8592.6524.4484.3459.8423.1390.6
Run VMG1506.81040.1811.6684.3605.3554.9517.8465.9431.3
Selected Courses
Windward / Leeward1508.31063.2848.1730.5660.2620.7596.4568.1556.1
All purpose1134.4812.6659.8579.0533.6507.5490.7469.2456.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward694.30.8641
All purpose556.51.0781
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7644
Downwind "popa"0.8975
70% up, 30% down "Ilhabela"0.8000
30% up, 70% down "Ilhabela-inverso"0.8529
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Predominantly Upwind601.50.9975
Predominantly Downwind571.21.0505
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low736.20.8150
Triple Number AP Medium552.81.0854
Triple Number AP High486.81.2324
Triple Number Windward/Leeward Low999.20.6005
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Single Number Predominant Upwind627.90.9555
Single Number Predominant Reaching554.11.0829
Single Number Predominant Downwind598.11.0032
Predominant Upwind - Low894.40.6709
Predominant Upwind - Low/Med670.40.8950
Predominant Upwind - Medium578.71.0368
Predominant Upwind - Med/High533.81.1240
Predominant Upwind - High518.51.1573
Predominant Downwind Low897.50.6686
Predominant Downwind Low/Med653.00.9188
Predominant Downwind Medium548.21.0945
Predominant Downwind Med/High486.21.2340
Predominant Downwind High451.91.3276
Predominant Reaching Low794.20.7555
Predominant Reaching Low/Med593.81.0104
Predominant Reaching Medium512.31.1713
Predominant Reaching Med/High467.91.2822
Predominant Reaching High444.61.3496
SA/DSPL Upwind19.37SA/DSPL Downwind30.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1120.90.5353
5-Band Windward/Leeward Low/Med810.60.7402
5-Band Windward/Leeward Medium675.70.8880
5-Band Windward/Leeward Med/High601.10.9982
5-Band Windward/Leeward High570.91.0510
Windward/Leeward 60-40 Low1125.20.5333
Windward/Leeward 60-40 Low/Med818.70.7329
Windward/Leeward 60-40 Medium686.80.8736
Windward/Leeward 60-40 Med/High616.80.9728
Windward/Leeward 60-40 High591.31.0147
5-Band AP Low816.00.7353
5-Band AP Low/Med635.20.9446
5-Band AP Medium543.71.1035
5-Band AP Med/High493.51.2158
5-Band AP High470.71.2748
5-Band SF Bay Tour - Low962.60.6233
5-Band SF Bay Tour - Low/Med773.30.7758
5-Band SF Bay Tour - Medium649.40.9239
5-Band SF Bay Tour - Med/High582.91.0293
5-Band SF Bay Tour - High556.41.0784
Chicago-Mac Upwind0.9220
Chicago-Mac All Purpose0.9468
Chicago-Mac Downwind0.9639
Bayview-Mac Cove Island0.6786
Bayview-Mac Shore0.6839
Harvest Moon Regatta479.01.2525
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance608.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating608.40.9861
FinRating, kevyt tuuli1100.20.9090
FinRating, kova tuuli473.51.0560
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9861
Triple Number Coastal/Long Distance Low0.8150
Triple Number Coastal/Long Distance Medium1.0855
Triple Number Coastal/Long Distance High1.2324
Triple Number Windward/Leeward Low0.6279
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High1.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
For information
General Purpose Handicap (GPH)629.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low736.2
Triple Number Coastal/Long Distance Medium552.7
Triple Number Coastal/Long Distance High486.9
Triple Number Windward/Leeward Low955.6
Triple Number Windward/Leeward Medium689.4
Triple Number Windward/Leeward High591.9
Predominantly Upwind601.5
Predominantly Downwind571.2
Predominantly Reaching542.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8150
Triple Number Coastal/Long Distance Medium1.0855
Triple Number Coastal/Long Distance High1.2324
Triple Number Windward/Leeward Low0.6279
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High1.0137
Coastal/Long Distance0.9861
Predominantly Upwind0.9975
Predominantly Downwind1.0505
For information
General Purpose Handicap (GPH)629.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0781
Distanseseilas Trippeltall svak vind0.8150
Distanseseilas Trippeltall mellomvind1.0855
Distanseseilas Trippeltall sterk vind1.2324
Pølsebane Trippeltall svak vind0.6279
Pølsebane Trippeltall mellomvind0.8703
Pølsebane Trippeltall sterk vind1.0137
Motvind Singeltall0.9975
Medvind Singeltall1.0505
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Coastal/Long Distance608.40.9861
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind601.50.9975
Predominantly Downwind571.21.0505
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore559.71.0720
Cape Doctor Coastal460.11.3041
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8150
Triple Number Coastal/Long Distance Medium1.0855
Triple Number Coastal/Long Distance High1.2324
Triple Number Windward/Leeward Low0.6279
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High1.0137
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8150
Triple Number Coastal/Long Distance Medium1.0855
Triple Number Coastal/Long Distance High1.2324
Triple Number Windward/Leeward Low0.6279
Triple Number Windward/Leeward Medium0.8703
Triple Number Windward/Leeward High1.0137
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Predominantly Upwind601.50.9975
Predominantly Downwind571.21.0505
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance608.40.9861
Triple Number Coastal/Long Distance Low736.20.8150
Triple Number Coastal/Long Distance Medium552.71.0855
Triple Number Coastal/Long Distance High486.91.2324
Triple Number Windward/Leeward Low955.60.6279
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1604.81060.9796.0655.4570.9527.1495.9447.9431.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low736.20.8150
Triple Number AP Medium552.81.0854
Triple Number AP High486.81.2324
Triple Number Windward/Leeward Low999.20.6005
Triple Number Windward/Leeward Medium689.40.8703
Triple Number Windward/Leeward High591.91.0137
Single Number Predominant Upwind627.90.9555
Single Number Predominant Reaching554.11.0829
Single Number Predominant Downwind598.11.0032
Predominant Upwind - Low894.40.6709
Predominant Upwind - Low/Med670.40.8950
Predominant Upwind - Medium578.71.0368
Predominant Upwind - Med/High533.81.1240
Predominant Upwind - High518.51.1573
Predominant Downwind Low897.50.6686
Predominant Downwind Low/Med653.00.9188
Predominant Downwind Medium548.21.0945
Predominant Downwind Med/High486.21.2340
Predominant Downwind High451.91.3276
Predominant Reaching Low794.20.7555
Predominant Reaching Low/Med593.81.0104
Predominant Reaching Medium512.31.1713
Predominant Reaching Med/High467.91.2822
Predominant Reaching High444.61.3496
SA/DSPL Upwind19.37SA/DSPL Downwind30.39
Scoring OptionTODTOT
5-Band Windward/Leeward Low1120.90.5353
5-Band Windward/Leeward Low/Med810.60.7402
5-Band Windward/Leeward Medium675.70.8880
5-Band Windward/Leeward Med/High601.10.9982
5-Band Windward/Leeward High570.91.0510
Windward/Leeward 60-40 Low1125.20.5333
Windward/Leeward 60-40 Low/Med818.70.7329
Windward/Leeward 60-40 Medium686.80.8736
Windward/Leeward 60-40 Med/High616.80.9728
Windward/Leeward 60-40 High591.31.0147
5-Band AP Low816.00.7353
5-Band AP Low/Med635.20.9446
5-Band AP Medium543.71.1035
5-Band AP Med/High493.51.2158
5-Band AP High470.71.2748
5-Band SF Bay Tour - Low962.60.6233
5-Band SF Bay Tour - Low/Med773.30.7758
5-Band SF Bay Tour - Medium649.40.9239
5-Band SF Bay Tour - Med/High582.91.0293
5-Band SF Bay Tour - High556.41.0784
Chicago-Mac Upwind0.9220
Chicago-Mac All Purpose0.9468
Chicago-Mac Downwind0.9639
Bayview-Mac Cove Island0.6786
Bayview-Mac Shore0.6839
Harvest Moon Regatta479.01.2525
Club Certificate2025
TAMYESP-6853_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 40Measurement25/04/2005HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.060Max. Beam3.890Draft2.059Displacement7,573Wetted area30.09IMS L10.734LSM010.476Acc. length12.060Sink (kg/mm) 23.01
VCGD-0.015VCGM-0.004RM Rated (kg·m) 193.2Limit of positive stability(°) N/AStability IndexN/ADefault crew weight736Declared crew weight525
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.452PBWPIPA0.0031
EDL2.800ST10.046ST20.170
ST30.172ST40.098ST50.270
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P14.150IG15.100ISP15.200MDT10.121MDL10.225MDT20.121MDL20.225TLMW0.225GO0.250
E5.220J4.150BAS1.770FSD0.040SFJSPLWPLTPS4.160BD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered195.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
TAMYESP-6853_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0020.140.951.753.094.2041.4710/08/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.070.571.142.373.664.8314.05NoNo 33.7510/08/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment115.0013.5014.256.207.4284%76.5214/08/2004
CRUISER/RACER REQUIREMENTS*
Accommodation length12.1 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity152 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity92 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.