Club Certificate2025
CACHUCHAESP-3447_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 Angles44.0°44.0°42.1°40.4°38.8°38.2°38.0°38.7°40.4°
Beat VMG2.172.973.584.014.284.414.464.434.31
52°3.404.545.335.786.026.146.196.226.19
60°3.624.785.535.926.146.286.356.406.41
75°3.774.945.666.046.286.456.586.716.80
90°3.674.865.636.096.356.536.726.997.17
110°3.554.825.736.216.536.807.037.417.70
120°3.364.655.636.166.516.837.127.778.27
135°3.024.225.215.946.346.677.007.738.77
150°2.533.634.625.466.046.396.707.338.18
Run VMG2.183.144.014.765.425.886.236.817.39
Gybe Angles148.0°148.0°151.9°154.1°163.0°169.8°177.2°177.7°175.9°
APH ToD:652.8CDL: 6.644APH ToT: 0.9191CertNo:344701
BOAT
ClassDUFOUR 2800DesignerDUFOUR MICHELBuilderDUFOUR YATCHSAge date01/1981Series date01/1980Offset fileE272b.offData fileE3447_C
HULL
Length Overall8.320 mMaximum Beam3.004 mDraft1.558 mDisplacement2,623 kgDLR8.0006IMS DivisionCruiser/RacerDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight300 kg(declared)Minimum weight170 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail16.9117.42Headsail Luffed26.5626.56Headsail FlyingSymmetric53.8153.81Asymmetric
STORM SAIL AREAS (m²)
Trysail4.83Storm Jib5.07Heavy Weather Jib13.67
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
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.
Club Certificate2025
CACHUCHAESP-3447_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 VMG1657.21212.01006.4898.8841.0817.0807.9813.3836.1
52°1059.8792.2675.9623.2598.4586.5581.5579.0581.7
60°994.5752.5651.4608.0586.0573.6567.2562.2561.6
75°955.8728.6636.1596.2573.7558.1547.2536.2529.1
90°982.1741.4639.0591.0567.0551.2535.9514.8502.0
110°1014.6746.4628.2579.9551.1529.1511.8485.9467.6
120°1071.8774.4639.9584.8553.1527.3505.3463.3435.3
135°1191.9852.9690.9606.2568.1539.5514.4465.8410.5
150°1425.7992.6779.3658.8596.4563.7537.3491.0440.3
Run VMG1652.51146.2898.2756.7664.5612.3577.8528.9487.3
Selected Courses
Windward / Leeward1653.01179.1952.3827.8752.7714.6692.9671.1661.7
All purpose1254.5912.6754.3673.9629.4604.8588.4567.2552.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward791.30.7582
All purpose652.80.9191
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6566
Downwind "popa"0.8101
70% up, 30% down "Ilhabela"0.6962
30% up, 70% down "Ilhabela-inverso"0.7570
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Predominantly Upwind706.40.8494
Predominantly Downwind658.80.9108
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low833.40.7199
Triple Number AP Medium648.60.9251
Triple Number AP High584.61.0264
Triple Number Windward/Leeward Low1112.20.5395
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Single Number Predominant Upwind734.40.8170
Single Number Predominant Reaching652.00.9202
Single Number Predominant Downwind687.70.8725
Predominant Upwind - Low1001.20.5993
Predominant Upwind - Low/Med772.60.7766
Predominant Upwind - Medium684.10.8771
Predominant Upwind - Med/High642.40.9340
Predominant Upwind - High629.30.9534
Predominant Downwind Low1001.90.5989
Predominant Downwind Low/Med743.70.8068
Predominant Downwind Medium635.30.9445
Predominant Downwind Med/High571.41.0501
Predominant Downwind High534.21.1233
Predominant Reaching Low894.10.6711
Predominant Reaching Low/Med690.10.8694
Predominant Reaching Medium610.60.9826
Predominant Reaching Med/High565.11.0617
Predominant Reaching High538.41.1145
SA/DSPL Upwind22.79SA/DSPL Downwind37.06
Scoring OptionTODTOT
5-Band Windward/Leeward Low1241.30.4833
5-Band Windward/Leeward Low/Med912.30.6576
5-Band Windward/Leeward Medium770.60.7786
5-Band Windward/Leeward Med/High697.90.8597
5-Band Windward/Leeward High673.20.8912
Windward/Leeward 60-40 Low1247.50.4810
Windward/Leeward 60-40 Low/Med924.70.6488
Windward/Leeward 60-40 Medium788.00.7614
Windward/Leeward 60-40 Med/High720.90.8323
Windward/Leeward 60-40 High701.80.8549
5-Band AP Low918.40.6533
5-Band AP Low/Med730.80.8210
5-Band AP Medium639.70.9380
5-Band AP Med/High591.11.0151
5-Band AP High568.41.0556
5-Band SF Bay Tour - Low1073.70.5588
5-Band SF Bay Tour - Low/Med875.60.6852
5-Band SF Bay Tour - Medium748.40.8017
5-Band SF Bay Tour - Med/High684.40.8767
5-Band SF Bay Tour - High661.30.9073
Chicago-Mac Upwind0.7927
Chicago-Mac All Purpose0.8195
Chicago-Mac Downwind0.8422
Bayview-Mac Cove Island0.6043
Bayview-Mac Shore0.6085
Harvest Moon Regatta572.01.0489
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance707.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating707.50.8480
FinRating, kevyt tuuli1219.70.8199
FinRating, kova tuuli571.80.8745
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8480
Triple Number Coastal/Long Distance Low0.7199
Triple Number Coastal/Long Distance Medium0.9252
Triple Number Coastal/Long Distance High1.0264
Triple Number Windward/Leeward Low0.5630
Triple Number Windward/Leeward Medium0.7645
Triple Number Windward/Leeward High0.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
For information
General Purpose Handicap (GPH)731.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low833.4
Triple Number Coastal/Long Distance Medium648.5
Triple Number Coastal/Long Distance High584.6
Triple Number Windward/Leeward Low1065.7
Triple Number Windward/Leeward Medium784.8
Triple Number Windward/Leeward High690.1
Predominantly Upwind706.4
Predominantly Downwind658.8
Predominantly Reaching636.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7199
Triple Number Coastal/Long Distance Medium0.9252
Triple Number Coastal/Long Distance High1.0264
Triple Number Windward/Leeward Low0.5630
Triple Number Windward/Leeward Medium0.7645
Triple Number Windward/Leeward High0.8694
Coastal/Long Distance0.8480
Predominantly Upwind0.8494
Predominantly Downwind0.9108
For information
General Purpose Handicap (GPH)731.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9191
Distanseseilas Trippeltall svak vind0.7199
Distanseseilas Trippeltall mellomvind0.9252
Distanseseilas Trippeltall sterk vind1.0264
Pølsebane Trippeltall svak vind0.5630
Pølsebane Trippeltall mellomvind0.7645
Pølsebane Trippeltall sterk vind0.8694
Motvind Singeltall0.8494
Medvind Singeltall0.9108
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Coastal/Long Distance707.50.8480
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind706.40.8494
Predominantly Downwind658.80.9108
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore664.50.9029
Cape Doctor Coastal557.11.0770
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7199
Triple Number Coastal/Long Distance Medium0.9252
Triple Number Coastal/Long Distance High1.0264
Triple Number Windward/Leeward Low0.5630
Triple Number Windward/Leeward Medium0.7645
Triple Number Windward/Leeward High0.8694
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7199
Triple Number Coastal/Long Distance Medium0.9252
Triple Number Coastal/Long Distance High1.0264
Triple Number Windward/Leeward Low0.5630
Triple Number Windward/Leeward Medium0.7645
Triple Number Windward/Leeward High0.8694
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Predominantly Upwind706.40.8494
Predominantly Downwind658.80.9108
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance707.50.8480
Triple Number Coastal/Long Distance Low833.40.7199
Triple Number Coastal/Long Distance Medium648.50.9252
Triple Number Coastal/Long Distance High584.61.0264
Triple Number Windward/Leeward Low1065.70.5630
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1748.51175.8897.3752.2669.0626.9594.9542.7526.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low833.40.7199
Triple Number AP Medium648.60.9251
Triple Number AP High584.61.0264
Triple Number Windward/Leeward Low1112.20.5395
Triple Number Windward/Leeward Medium784.80.7645
Triple Number Windward/Leeward High690.10.8694
Single Number Predominant Upwind734.40.8170
Single Number Predominant Reaching652.00.9202
Single Number Predominant Downwind687.70.8725
Predominant Upwind - Low1001.20.5993
Predominant Upwind - Low/Med772.60.7766
Predominant Upwind - Medium684.10.8771
Predominant Upwind - Med/High642.40.9340
Predominant Upwind - High629.30.9534
Predominant Downwind Low1001.90.5989
Predominant Downwind Low/Med743.70.8068
Predominant Downwind Medium635.30.9445
Predominant Downwind Med/High571.41.0501
Predominant Downwind High534.21.1233
Predominant Reaching Low894.10.6711
Predominant Reaching Low/Med690.10.8694
Predominant Reaching Medium610.60.9826
Predominant Reaching Med/High565.11.0617
Predominant Reaching High538.41.1145
SA/DSPL Upwind22.79SA/DSPL Downwind37.06
Scoring OptionTODTOT
5-Band Windward/Leeward Low1241.30.4833
5-Band Windward/Leeward Low/Med912.30.6576
5-Band Windward/Leeward Medium770.60.7786
5-Band Windward/Leeward Med/High697.90.8597
5-Band Windward/Leeward High673.20.8912
Windward/Leeward 60-40 Low1247.50.4810
Windward/Leeward 60-40 Low/Med924.70.6488
Windward/Leeward 60-40 Medium788.00.7614
Windward/Leeward 60-40 Med/High720.90.8323
Windward/Leeward 60-40 High701.80.8549
5-Band AP Low918.40.6533
5-Band AP Low/Med730.80.8210
5-Band AP Medium639.70.9380
5-Band AP Med/High591.11.0151
5-Band AP High568.41.0556
5-Band SF Bay Tour - Low1073.70.5588
5-Band SF Bay Tour - Low/Med875.60.6852
5-Band SF Bay Tour - Medium748.40.8017
5-Band SF Bay Tour - Med/High684.40.8767
5-Band SF Bay Tour - High661.30.9073
Chicago-Mac Upwind0.7927
Chicago-Mac All Purpose0.8195
Chicago-Mac Downwind0.8422
Bayview-Mac Cove Island0.6043
Bayview-Mac Shore0.6085
Harvest Moon Regatta572.01.0489
Club Certificate2025
CACHUCHAESP-3447_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 2800MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA8.320Max. Beam3.004Draft1.558Displacement2,623Wetted area14.68IMS L6.983LSM06.895Acc. length8.195Sink (kg/mm) 10.82
VCGD-0.248VCGM-0.265RM Rated (kg·m) 58.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight405Declared crew weight300
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0046
PSD0.020PHD0.037PHL0.030
PSA21.0°ESL0.130
RIG
Forestay tensionFixedInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders1Rotating mastNo
P8.400IG10.060ISP10.060MDT10.102MDL10.158MDT2MDL2TLMWGO
E3.280J3.360BAS1.400FSD0.025SFJ0.040SPL3.560WPLTPSBD0.120MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered60.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
CACHUCHAESP-3447_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment116.91
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG4.92NoNo 26.56
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment00.0053.81
CRUISER/RACER REQUIREMENTS*
Accommodation length8.2 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity33 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.