Club Certificate2025
MATADORESP-6817_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 Angles44.6°44.6°42.2°40.9°40.1°39.7°39.3°39.3°40.1°
Beat VMG2.373.283.984.484.835.015.105.145.07
52°3.775.065.986.606.987.187.277.347.33
60°4.035.366.256.847.177.377.487.567.58
75°4.215.576.467.027.347.567.727.907.98
90°4.045.496.557.197.547.737.858.148.35
110°4.095.606.717.347.708.008.268.638.87
120°3.975.446.567.247.647.968.268.829.28
135°3.514.896.016.867.387.738.048.669.36
150°2.884.125.226.126.837.297.618.138.67
Run VMG2.493.574.525.305.926.396.797.437.92
Gybe Angles143.5°143.5°147.8°149.0°151.0°155.8°161.0°177.1°177.3°
APH ToD:571.2CDL: 9.251APH ToT: 1.0503CertNo:681701
BOAT
ClassDUFOUR 41 CLDesignerJ&J DESIGNBuilderDUFOURAge date11/1999Series date01/1995Offset fileDUF_41C.OFFData fileE6817_C
HULL
Length Overall11.950Maximum Beam3.976Draft2.027Displacement9,350DLR8.0110IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.510m
CREW
Maximum weight590(declared)Minimum weight460 ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.5739.17Headsail Luffed43.5843.58Headsail FlyingSymmetricAsymmetric104.59104.59 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.56Storm Jib12.51Heavy Weather Jib33.78
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ 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  03510003K8TIssued on 12/03/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MATADORESP-6817_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 VMG1517.51099.2903.9802.7745.9717.9705.7700.3709.6
52°954.9711.5602.5545.2516.0501.6495.2490.6491.0
60°892.6671.7575.6526.6501.8488.6481.4476.1474.6
75°855.4646.4557.0512.9490.2476.2466.5455.8451.0
90°892.0656.2549.9500.5477.6465.8458.4442.4431.3
110°879.9643.1536.6490.7467.2450.0435.7417.3405.8
120°907.5661.2548.9497.1471.2452.4435.9408.1388.1
135°1025.5736.9599.1524.7487.9465.8447.8415.7384.6
150°1252.0874.0690.1588.4527.2493.6473.2442.5415.1
Run VMG1445.51009.3796.8679.5608.2563.4530.0484.8454.7
Selected Courses
Windward / Leeward1480.71054.2850.3741.1677.0640.6617.8592.6582.2
All purpose1117.7809.2665.0590.7549.9526.5511.8493.6483.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward708.60.8467
All purpose571.21.0503
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7400
Downwind "popa"0.8990
70% up, 30% down "Ilhabela"0.7815
30% up, 70% down "Ilhabela-inverso"0.8446
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Predominantly Upwind619.40.9687
Predominantly Downwind579.91.0347
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low737.10.8140
TriNum AP Med567.31.0576
TriNum AP High508.61.1796
TriNum W/L Low994.30.6035
TriNum W/L Med703.70.8526
TriNum W/L Hig614.10.9771
Predom. Upwind645.10.9300
Predom. Reaching567.31.0577
Predom. Downwind605.60.9908
Predom. Up Low896.60.6692
Predom. Up L/M683.40.8779
Predom. Up Med598.41.0027
Predom. Up M/H557.21.0768
Predom. Up High543.21.1045
Predom. Dn Low881.90.6804
Predom. Dn L/M653.90.9176
Predom. Dn Med558.71.0739
Predom. Dn M/H503.91.1906
Predom. Dn High474.11.2655
Predom. Rc Low790.30.7592
Predom. Rc L/M601.70.9971
Predom. Rc Med527.71.1371
Predom. Rc M/H489.01.2270
Predom. Rc High468.61.2805
SA/DSPL Upwind18.37SA/DSPL Downwind32.02
Scoring OptionTODTOT
5B W/L Low1110.10.5405
5B W/L L/M816.30.7350
5B W/L Med691.10.8681
5B W/L M/H622.40.9640
5B W/L High595.11.0082
W/L 60-40 Low1119.00.5362
W/L 60-40 L/M827.70.7249
W/L 60-40 Med705.00.8511
W/L 60-40 M/H640.00.9376
W/L 60-40 High616.70.9730
5B AP Low810.00.7407
5B AP L/M643.10.9330
5B AP Med559.21.0730
5B AP M/H514.41.1664
5B AP High494.91.2122
5B SF Bay Low958.60.6259
5B SF Bay L/M780.60.7686
5B SF Bay Med665.90.9010
5B SF Bay M/H605.00.9918
5B SF Bay High581.41.0320
Chicago-Mac Upwind0.8997
Chicago-Mac All Purpose0.9307
Chicago-Mac Downwind0.9560
BayMac Cove Island882.30.6800
BayMac Shore876.50.6845
Harvest Moon496.41.2087
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance622.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating622.90.9633
FinRating, kevyt tuuli1088.00.9191
FinRating, kova tuuli498.71.0026
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9633
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0577
Triple Number Coastal/Long Distance High1.1796
Triple Number Windward/Leeward Low0.6301
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
For information
General Purpose Handicap (GPH)641.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low737.1
Triple Number Coastal/Long Distance Medium567.3
Triple Number Coastal/Long Distance High508.6
Triple Number Windward/Leeward Low952.2
Triple Number Windward/Leeward Medium703.7
Triple Number Windward/Leeward High614.1
Predominantly Upwind619.4
Predominantly Downwind579.9
Predominantly Reaching554.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0577
Triple Number Coastal/Long Distance High1.1796
Triple Number Windward/Leeward Low0.6301
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9771
Coastal/Long Distance0.9633
Predominantly Upwind0.9687
Predominantly Downwind1.0347
For information
General Purpose Handicap (GPH)641.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0503
Distanseseilas Trippeltall svak vind0.8140
Distanseseilas Trippeltall mellomvind1.0577
Distanseseilas Trippeltall sterk vind1.1796
Pølsebane Trippeltall svak vind0.6301
Pølsebane Trippeltall mellomvind0.8526
Pølsebane Trippeltall sterk vind0.9771
Motvind Singeltall0.9687
Medvind Singeltall1.0347
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Coastal/Long Distance622.90.9633
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind619.40.9687
Predominantly Downwind579.91.0347
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore585.31.0251
Cape Doctor Coastal486.41.2336
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0577
Triple Number Coastal/Long Distance High1.1796
Triple Number Windward/Leeward Low0.6301
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9771
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0577
Triple Number Coastal/Long Distance High1.1796
Triple Number Windward/Leeward Low0.6301
Triple Number Windward/Leeward Medium0.8526
Triple Number Windward/Leeward High0.9771
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Predominantly Upwind619.40.9687
Predominantly Downwind579.91.0347
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.90.9633
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium567.31.0577
Triple Number Coastal/Long Distance High508.61.1796
Triple Number Windward/Leeward Low952.20.6301
Triple Number Windward/Leeward Medium703.70.8526
Triple Number Windward/Leeward High614.10.9771
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1566.31049.7798.5666.6587.8546.8517.3472.3459.9
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low737.10.8140
TriNum AP Med567.31.0576
TriNum AP High508.61.1796
TriNum W/L Low994.30.6035
TriNum W/L Med703.70.8526
TriNum W/L Hig614.10.9771
Predom. Upwind645.10.9300
Predom. Reaching567.31.0577
Predom. Downwind605.60.9908
Predom. Up Low896.60.6692
Predom. Up L/M683.40.8779
Predom. Up Med598.41.0027
Predom. Up M/H557.21.0768
Predom. Up High543.21.1045
Predom. Dn Low881.90.6804
Predom. Dn L/M653.90.9176
Predom. Dn Med558.71.0739
Predom. Dn M/H503.91.1906
Predom. Dn High474.11.2655
Predom. Rc Low790.30.7592
Predom. Rc L/M601.70.9971
Predom. Rc Med527.71.1371
Predom. Rc M/H489.01.2270
Predom. Rc High468.61.2805
SA/DSPL Upwind18.37SA/DSPL Downwind32.02
Scoring OptionTODTOT
5B W/L Low1110.10.5405
5B W/L L/M816.30.7350
5B W/L Med691.10.8681
5B W/L M/H622.40.9640
5B W/L High595.11.0082
W/L 60-40 Low1119.00.5362
W/L 60-40 L/M827.70.7249
W/L 60-40 Med705.00.8511
W/L 60-40 M/H640.00.9376
W/L 60-40 High616.70.9730
5B AP Low810.00.7407
5B AP L/M643.10.9330
5B AP Med559.21.0730
5B AP M/H514.41.1664
5B AP High494.91.2122
5B SF Bay Low958.60.6259
5B SF Bay L/M780.60.7686
5B SF Bay Med665.90.9010
5B SF Bay M/H605.00.9918
5B SF Bay High581.41.0320
Chicago-Mac Upwind0.8997
Chicago-Mac All Purpose0.9307
Chicago-Mac Downwind0.9560
BayMac Cove Island882.30.6800
BayMac Shore876.50.6845
Harvest Moon496.41.2087
ORC Ref  03510003K8TIssued on 12/03/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MATADORESP-6817_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 41 CLMeasurement03/10/2007HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.950Max. Beam3.976Draft2.027Displacement9,350Wetted area32.13IMS L10.486LSM010.528Acc. length11.950Sink (kg/mm) 24.68
VCGD0.282VCGM0.240RM Rated (kg·m) 190.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight741Declared crew weight590
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.510PBWPIPA0.0036
EDL3.000ST10.070ST20.170
ST30.190ST40.096ST50.320
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P14.200IG15.780ISP15.780MDT10.172MDL10.215MDT20.172MDL20.178TL1.700MW0.210GO0.220
E4.650J4.380BAS1.760FSD0.025SFJSPL0.000WPLTPS4.650BD0.214MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered190.0Flotation Date01/08/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510003K8TIssued on 12/03/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
MATADORESP-6817_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.160.931.662.913.8838.5701/07/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0030.070.681.322.754.285.9315.30NoNo 43.5801/07/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00217.6015.0016.307.757.50103%104.5931/08/2017
CRUISER/RACER REQUIREMENTS*
Accommodation length11.9 mTable area0.55 m²Headroom1.81 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity148 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity88 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03510003K8TIssued on 12/03/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org