Double HandedClub Certificate2025
ALBORANYESP-8414_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 Angles45.4°45.4°43.4°42.1°41.0°40.0°39.5°40.2°41.5°
Beat VMG2.183.083.854.444.915.225.385.455.35
52°3.464.805.876.657.207.537.737.857.83
60°3.745.126.186.937.437.747.948.118.13
75°3.935.356.407.157.627.948.188.528.66
90°3.825.246.327.117.627.968.248.729.08
110°3.244.625.816.757.437.898.248.899.51
120°3.044.385.566.527.267.778.138.819.49
135°2.623.854.995.966.777.407.848.519.16
150°2.183.264.285.095.886.567.147.938.55
Run VMG1.902.823.714.505.296.016.667.648.28
Gybe Angles143.5°143.5°144.4°168.5°169.4°170.3°171.4°174.4°175.4°
APH ToD:594.5CDL: 9.732APH ToT: 1.0092CertNo:8414R1
BOAT
ClassDUFOUR 425 GLDesignerFELCI UMBERTOBuilderDUFOURAge date01/2007Series date01/2006Offset fileDUF425CL.OFFData fileE8414_C
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.093 mDisplacement8,682 kgDLR6.4235IMS DivisionCruiser/RacerDynamic Allowance0.390%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.400m
CREW
Maximum weight200 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.9835.31Headsail Luffed46.8046.80Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib10.48Heavy Weather Jib28.28
SAIL LIMITS
Headsails6
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO. SIN SPINANKER/SIN TANGON
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.
Double HandedClub Certificate2025
ALBORANYESP-8414_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 VMG1653.51168.0935.0810.4733.7690.0669.1660.1673.4
52°1039.1749.8613.7541.5500.2477.8465.9458.8459.9
60°962.6703.2582.9519.2484.2464.8453.4444.1442.7
75°915.5673.4562.2503.7472.3453.6440.3422.7415.8
90°942.0687.6569.2506.2472.4452.2437.1412.9396.4
110°1109.8779.8620.1533.6484.3456.4437.1405.1378.6
120°1183.7822.8647.3552.0495.7463.6442.6408.7379.4
135°1374.6936.0721.2603.7531.4486.3459.0423.0393.1
150°1652.81103.8840.6707.9612.7548.7504.5454.2421.0
Run VMG1895.31274.6970.7800.7680.4598.7540.6471.3434.9
Selected Courses
Windward / Leeward1772.71221.3952.9805.6707.0644.4604.9565.7554.2
All purpose1322.4924.9733.1630.4565.9526.2501.4474.0460.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward747.20.8030
All purpose594.51.0092
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7412
Downwind "popa"0.7869
70% up, 30% down "Ilhabela"0.7544
30% up, 70% down "Ilhabela-inverso"0.7726
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Predominantly Upwind629.70.9528
Predominantly Downwind627.70.9559
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low829.00.7238
Triple Number AP Medium591.51.0143
Triple Number AP High497.31.2064
Triple Number Windward/Leeward Low1141.10.5258
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Single Number Predominant Upwind659.70.9095
Single Number Predominant Reaching594.81.0087
Single Number Predominant Downwind663.00.9050
Predominant Upwind - Low987.60.6075
Predominant Upwind - Low/Med718.50.8351
Predominant Upwind - Medium601.50.9975
Predominant Upwind - Med/High537.01.1174
Predominant Upwind - High515.91.1630
Predominant Downwind Low1063.90.5640
Predominant Downwind Low/Med743.70.8068
Predominant Downwind Medium597.41.0043
Predominant Downwind Med/High505.31.1873
Predominant Downwind High462.71.2967
Predominant Reaching Low900.60.6662
Predominant Reaching Low/Med651.60.9209
Predominant Reaching Medium542.91.1053
Predominant Reaching Med/High479.11.2523
Predominant Reaching High450.31.3325
SA/DSPL Upwind19.22SA/DSPL Downwind19.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1292.50.4642
5-Band Windward/Leeward Low/Med904.20.6636
5-Band Windward/Leeward Medium725.00.8276
5-Band Windward/Leeward Med/High613.50.9779
5-Band Windward/Leeward High570.51.0517
Windward/Leeward 60-40 Low1280.20.4687
Windward/Leeward 60-40 Low/Med902.50.6648
Windward/Leeward 60-40 Medium730.10.8218
Windward/Leeward 60-40 Med/High626.10.9583
Windward/Leeward 60-40 High589.21.0184
5-Band AP Low939.50.6387
5-Band AP Low/Med700.50.8566
5-Band AP Medium578.61.0370
5-Band AP Med/High506.41.1849
5-Band AP High476.51.2592
5-Band SF Bay Tour - Low1096.80.5470
5-Band SF Bay Tour - Low/Med859.20.6983
5-Band SF Bay Tour - Medium695.60.8626
5-Band SF Bay Tour - Med/High597.11.0049
5-Band SF Bay Tour - High560.51.0705
Chicago-Mac Upwind0.8711
Chicago-Mac All Purpose0.8717
Chicago-Mac Downwind0.8610
Bayview-Mac Cove Island0.5991
Bayview-Mac Shore0.6061
Harvest Moon Regatta507.01.1833
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating654.80.9163
FinRating, kevyt tuuli1273.20.7854
FinRating, kova tuuli481.51.0385
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9163
Triple Number Coastal/Long Distance Low0.7238
Triple Number Coastal/Long Distance Medium1.0145
Triple Number Coastal/Long Distance High1.2064
Triple Number Windward/Leeward Low0.5519
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
For information
General Purpose Handicap (GPH)680.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low829.0
Triple Number Coastal/Long Distance Medium591.4
Triple Number Coastal/Long Distance High497.3
Triple Number Windward/Leeward Low1087.2
Triple Number Windward/Leeward Medium744.7
Triple Number Windward/Leeward High600.1
Predominantly Upwind629.7
Predominantly Downwind627.7
Predominantly Reaching586.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7238
Triple Number Coastal/Long Distance Medium1.0145
Triple Number Coastal/Long Distance High1.2064
Triple Number Windward/Leeward Low0.5519
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9999
Coastal/Long Distance0.9163
Predominantly Upwind0.9528
Predominantly Downwind0.9559
For information
General Purpose Handicap (GPH)680.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0092
Distanseseilas Trippeltall svak vind0.7238
Distanseseilas Trippeltall mellomvind1.0145
Distanseseilas Trippeltall sterk vind1.2064
Pølsebane Trippeltall svak vind0.5519
Pølsebane Trippeltall mellomvind0.8057
Pølsebane Trippeltall sterk vind0.9999
Motvind Singeltall0.9528
Medvind Singeltall0.9559
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Coastal/Long Distance654.80.9163
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind629.70.9528
Predominantly Downwind627.70.9559
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore557.61.0760
Cape Doctor Coastal464.81.2909
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7238
Triple Number Coastal/Long Distance Medium1.0145
Triple Number Coastal/Long Distance High1.2064
Triple Number Windward/Leeward Low0.5519
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9999
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7238
Triple Number Coastal/Long Distance Medium1.0145
Triple Number Coastal/Long Distance High1.2064
Triple Number Windward/Leeward Low0.5519
Triple Number Windward/Leeward Medium0.8057
Triple Number Windward/Leeward High0.9999
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Predominantly Upwind629.70.9528
Predominantly Downwind627.70.9559
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance654.80.9163
Triple Number Coastal/Long Distance Low829.00.7238
Triple Number Coastal/Long Distance Medium591.41.0145
Triple Number Coastal/Long Distance High497.31.2064
Triple Number Windward/Leeward Low1087.20.5519
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1918.61226.6894.3719.7608.3548.6508.3454.4437.7
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low829.00.7238
Triple Number AP Medium591.51.0143
Triple Number AP High497.31.2064
Triple Number Windward/Leeward Low1141.10.5258
Triple Number Windward/Leeward Medium744.70.8057
Triple Number Windward/Leeward High600.10.9999
Single Number Predominant Upwind659.70.9095
Single Number Predominant Reaching594.81.0087
Single Number Predominant Downwind663.00.9050
Predominant Upwind - Low987.60.6075
Predominant Upwind - Low/Med718.50.8351
Predominant Upwind - Medium601.50.9975
Predominant Upwind - Med/High537.01.1174
Predominant Upwind - High515.91.1630
Predominant Downwind Low1063.90.5640
Predominant Downwind Low/Med743.70.8068
Predominant Downwind Medium597.41.0043
Predominant Downwind Med/High505.31.1873
Predominant Downwind High462.71.2967
Predominant Reaching Low900.60.6662
Predominant Reaching Low/Med651.60.9209
Predominant Reaching Medium542.91.1053
Predominant Reaching Med/High479.11.2523
Predominant Reaching High450.31.3325
SA/DSPL Upwind19.22SA/DSPL Downwind19.22
Scoring OptionTODTOT
5-Band Windward/Leeward Low1292.50.4642
5-Band Windward/Leeward Low/Med904.20.6636
5-Band Windward/Leeward Medium725.00.8276
5-Band Windward/Leeward Med/High613.50.9779
5-Band Windward/Leeward High570.51.0517
Windward/Leeward 60-40 Low1280.20.4687
Windward/Leeward 60-40 Low/Med902.50.6648
Windward/Leeward 60-40 Medium730.10.8218
Windward/Leeward 60-40 Med/High626.10.9583
Windward/Leeward 60-40 High589.21.0184
5-Band AP Low939.50.6387
5-Band AP Low/Med700.50.8566
5-Band AP Medium578.61.0370
5-Band AP Med/High506.41.1849
5-Band AP High476.51.2592
5-Band SF Bay Tour - Low1096.80.5470
5-Band SF Bay Tour - Low/Med859.20.6983
5-Band SF Bay Tour - Medium695.60.8626
5-Band SF Bay Tour - Med/High597.11.0049
5-Band SF Bay Tour - High560.51.0705
Chicago-Mac Upwind0.8711
Chicago-Mac All Purpose0.8717
Chicago-Mac Downwind0.8610
Bayview-Mac Cove Island0.5991
Bayview-Mac Shore0.6061
Harvest Moon Regatta507.01.1833
Double HandedClub Certificate2025
ALBORANYESP-8414_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 425 GLMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.600Max. Beam4.170Draft2.093Displacement8,682Wetted area33.45IMS L11.180LSM011.055Acc. length12.600Sink (kg/mm) 26.55
VCGD-0.115VCGM-0.154RM Rated (kg·m) 288.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight200
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0162
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P13.680IG14.473ISP15.000MDT10.135MDL10.240MDT2MDL2TLMWGO
E4.700J4.750BAS1.685FSD0.050SFJ0.150SPLWPLTPSBD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered290.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
ALBORANYESP-8414_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.080.731.432.673.7534.98
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment16.5314.08NoNo 46.80
CRUISER/RACER REQUIREMENTS*
Accommodation length12.6 mTable area0.55 m²Headroom1.84 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity165 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity102 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.