Club Certificate2025
LAGOMESP-10734_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 Angles44.3°44.3°42.6°41.2°40.4°40.0°39.6°39.2°39.4°
Beat VMG2.663.614.294.704.905.025.105.195.19
52°4.185.546.426.877.067.177.247.337.34
60°4.505.876.677.067.257.357.427.527.56
75°4.756.106.837.207.427.577.667.817.91
90°4.636.026.827.227.487.677.838.068.23
110°4.355.866.907.407.717.978.198.508.74
120°4.225.736.807.337.677.978.278.849.22
135°3.735.176.317.057.467.788.098.829.61
150°3.104.385.486.397.027.397.668.188.82
Run VMG2.693.794.745.546.116.536.897.477.93
Gybe Angles143.7°143.7°148.3°149.4°152.8°158.3°162.8°175.0°174.7°
APH ToD:558.1CDL: 9.383APH ToT: 1.0752CertNo:107341
BOAT
ClassNORTH WIND 435DesignerPRIMROSE ANGUSBuilderNORTH WIND(SPAIN)Age date09/2000Series date01/1998Offset fileUS19530.offData fileE10734_C
HULL
Length Overall13.100 mMaximum Beam3.956 mDraft1.644 mDisplacement10,840 kgDLR9.5869IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight900 kg(declared)Minimum weight765 kg ✱ when appliedNon Manual PowerRigCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.1146.06Headsail Luffed71.3471.34Headsail FlyingSymmetricAsymmetric139.40138.97 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.87Storm Jib13.95Heavy Weather Jib37.66
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO.
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
LAGOMESP-10734_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 VMG1352.0998.3839.8766.5734.5717.3706.4693.8694.0
52°860.8649.4560.5524.2509.6502.1497.4491.4490.5
60°799.3613.3539.7510.2496.4489.5485.1478.5476.3
75°758.6590.1527.0500.3485.3475.8469.8460.8455.3
90°776.8598.2528.1498.4481.3469.3459.8446.4437.3
110°827.8614.1521.9486.8467.0451.9439.4423.4411.8
120°852.3628.0529.7490.9469.1451.6435.3407.0390.5
135°964.3695.9570.9510.9482.5463.0445.1408.3374.8
150°1160.2822.0657.2563.3512.7487.4470.1440.1408.0
Run VMG1339.9949.2758.8650.4589.1551.1522.6482.1454.2
Selected Courses
Windward / Leeward1345.1973.7799.3708.4661.8634.2614.5587.9574.1
All purpose1015.1748.7628.8571.4542.5524.6511.6492.6480.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward686.50.8740
All purpose558.11.0752
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7697
Downwind "popa"0.9326
70% up, 30% down "Ilhabela"0.8123
30% up, 70% down "Ilhabela-inverso"0.8770
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Predominantly Upwind602.20.9964
Predominantly Downwind563.71.0643
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low688.80.8711
Triple Number AP Medium554.91.0813
Triple Number AP High507.81.1817
Triple Number Windward/Leeward Low923.40.6498
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Single Number Predominant Upwind623.20.9628
Single Number Predominant Reaching551.11.0888
Single Number Predominant Downwind586.11.0237
Predominant Upwind - Low820.50.7313
Predominant Upwind - Low/Med648.20.9257
Predominant Upwind - Medium587.01.0221
Predominant Upwind - Med/High556.31.0786
Predominant Upwind - High540.91.1092
Predominant Downwind Low820.90.7309
Predominant Downwind Low/Med625.00.9599
Predominant Downwind Medium547.11.0967
Predominant Downwind Med/High500.31.1992
Predominant Downwind High470.91.2742
Predominant Reaching Low728.60.8235
Predominant Reaching Low/Med576.61.0405
Predominant Reaching Medium520.81.1522
Predominant Reaching Med/High488.21.2289
Predominant Reaching High467.41.2836
SA/DSPL Upwind23.59SA/DSPL Downwind37.37
Scoring OptionTODTOT
5-Band Windward/Leeward Low1023.20.5864
5-Band Windward/Leeward Low/Med772.70.7765
5-Band Windward/Leeward Medium672.40.8923
5-Band Windward/Leeward Med/High617.30.9719
5-Band Windward/Leeward High590.21.0167
Windward/Leeward 60-40 Low1027.90.5837
Windward/Leeward 60-40 Low/Med782.50.7668
Windward/Leeward 60-40 Medium686.60.8739
Windward/Leeward 60-40 Med/High635.60.9440
Windward/Leeward 60-40 High611.30.9815
5-Band AP Low751.10.7989
5-Band AP Low/Med613.50.9780
5-Band AP Medium548.91.0931
5-Band AP Med/High513.21.1691
5-Band AP High493.71.2152
5-Band SF Bay Tour - Low887.90.6757
5-Band SF Bay Tour - Low/Med739.50.8113
5-Band SF Bay Tour - Medium649.40.9240
5-Band SF Bay Tour - Med/High601.10.9982
5-Band SF Bay Tour - High576.31.0411
Chicago-Mac Upwind0.9373
Chicago-Mac All Purpose0.9673
Chicago-Mac Downwind0.9923
Bayview-Mac Cove Island0.7294
Bayview-Mac Shore0.7347
Harvest Moon Regatta491.01.2220
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance606.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating606.60.9891
FinRating, kevyt tuuli1001.10.9989
FinRating, kova tuuli497.31.0054
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9891
Triple Number Coastal/Long Distance Low0.8711
Triple Number Coastal/Long Distance Medium1.0814
Triple Number Coastal/Long Distance High1.1817
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8799
Triple Number Windward/Leeward High0.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
For information
General Purpose Handicap (GPH)619.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low688.8
Triple Number Coastal/Long Distance Medium554.8
Triple Number Coastal/Long Distance High507.7
Triple Number Windward/Leeward Low886.5
Triple Number Windward/Leeward Medium681.9
Triple Number Windward/Leeward High609.4
Predominantly Upwind602.2
Predominantly Downwind563.7
Predominantly Reaching541.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8711
Triple Number Coastal/Long Distance Medium1.0814
Triple Number Coastal/Long Distance High1.1817
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8799
Triple Number Windward/Leeward High0.9845
Coastal/Long Distance0.9891
Predominantly Upwind0.9964
Predominantly Downwind1.0643
For information
General Purpose Handicap (GPH)619.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0752
Distanseseilas Trippeltall svak vind0.8711
Distanseseilas Trippeltall mellomvind1.0814
Distanseseilas Trippeltall sterk vind1.1817
Pølsebane Trippeltall svak vind0.6768
Pølsebane Trippeltall mellomvind0.8799
Pølsebane Trippeltall sterk vind0.9845
Motvind Singeltall0.9964
Medvind Singeltall1.0643
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Coastal/Long Distance606.60.9891
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind602.20.9964
Predominantly Downwind563.71.0643
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore578.31.0376
Cape Doctor Coastal483.81.2401
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8711
Triple Number Coastal/Long Distance Medium1.0814
Triple Number Coastal/Long Distance High1.1817
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8799
Triple Number Windward/Leeward High0.9845
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8711
Triple Number Coastal/Long Distance Medium1.0814
Triple Number Coastal/Long Distance High1.1817
Triple Number Windward/Leeward Low0.6768
Triple Number Windward/Leeward Medium0.8799
Triple Number Windward/Leeward High0.9845
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Predominantly Upwind602.20.9964
Predominantly Downwind563.71.0643
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance606.60.9891
Triple Number Coastal/Long Distance Low688.80.8711
Triple Number Coastal/Long Distance Medium554.81.0814
Triple Number Coastal/Long Distance High507.71.1817
Triple Number Windward/Leeward Low886.50.6768
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.1971.3752.2640.9578.6544.7517.1472.3459.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low688.80.8711
Triple Number AP Medium554.91.0813
Triple Number AP High507.81.1817
Triple Number Windward/Leeward Low923.40.6498
Triple Number Windward/Leeward Medium681.90.8799
Triple Number Windward/Leeward High609.40.9845
Single Number Predominant Upwind623.20.9628
Single Number Predominant Reaching551.11.0888
Single Number Predominant Downwind586.11.0237
Predominant Upwind - Low820.50.7313
Predominant Upwind - Low/Med648.20.9257
Predominant Upwind - Medium587.01.0221
Predominant Upwind - Med/High556.31.0786
Predominant Upwind - High540.91.1092
Predominant Downwind Low820.90.7309
Predominant Downwind Low/Med625.00.9599
Predominant Downwind Medium547.11.0967
Predominant Downwind Med/High500.31.1992
Predominant Downwind High470.91.2742
Predominant Reaching Low728.60.8235
Predominant Reaching Low/Med576.61.0405
Predominant Reaching Medium520.81.1522
Predominant Reaching Med/High488.21.2289
Predominant Reaching High467.41.2836
SA/DSPL Upwind23.59SA/DSPL Downwind37.37
Scoring OptionTODTOT
5-Band Windward/Leeward Low1023.20.5864
5-Band Windward/Leeward Low/Med772.70.7765
5-Band Windward/Leeward Medium672.40.8923
5-Band Windward/Leeward Med/High617.30.9719
5-Band Windward/Leeward High590.21.0167
Windward/Leeward 60-40 Low1027.90.5837
Windward/Leeward 60-40 Low/Med782.50.7668
Windward/Leeward 60-40 Medium686.60.8739
Windward/Leeward 60-40 Med/High635.60.9440
Windward/Leeward 60-40 High611.30.9815
5-Band AP Low751.10.7989
5-Band AP Low/Med613.50.9780
5-Band AP Medium548.91.0931
5-Band AP Med/High513.21.1691
5-Band AP High493.71.2152
5-Band SF Bay Tour - Low887.90.6757
5-Band SF Bay Tour - Low/Med739.50.8113
5-Band SF Bay Tour - Medium649.40.9240
5-Band SF Bay Tour - Med/High601.10.9982
5-Band SF Bay Tour - High576.31.0411
Chicago-Mac Upwind0.9373
Chicago-Mac All Purpose0.9673
Chicago-Mac Downwind0.9923
Bayview-Mac Cove Island0.7294
Bayview-Mac Shore0.7347
Harvest Moon Regatta491.01.2220
Club Certificate2025
LAGOMESP-10734_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassNORTH WIND 435MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA13.100Max. Beam3.956Draft1.644Displacement10,840Wetted area34.47IMS L10.500LSM010.417Acc. length12.391Sink (kg/mm) 24.48
VCGD0.132VCGM0.091RM Rated (kg·m) 197.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight730Declared crew weight900
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P15.000IG16.700ISP17.500MDT10.100MDL10.110MDT2MDL2TLMWGO
E4.900J5.300BAS2.000FSD0.050SFJ0.140SPL5.350WPLTPS6.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered200.0Flotation Date01/01/2010
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LAGOMESP-10734_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00145.11
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0018.00NoNo 71.34
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00117.38NaN139.40
CRUISER/RACER REQUIREMENTS*
Accommodation length12.4 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity160 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity98 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.