Club Certificate2025
EL XESP-4510_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 Angles42.3°42.3°40.6°38.8°37.5°37.4°37.3°37.5°38.8°
Beat VMG2.663.644.414.935.205.335.405.445.37
52°4.135.516.457.007.287.427.507.577.55
60°4.385.786.677.167.457.627.727.827.84
75°4.545.956.817.297.617.858.048.248.35
90°4.315.836.887.447.757.948.208.638.89
110°4.385.937.027.618.068.458.789.269.67
120°4.235.776.897.528.008.458.909.8410.69
135°3.695.176.367.157.668.138.609.7512.23
150°3.064.355.486.437.137.608.038.9210.18
Run VMG2.653.764.745.576.266.857.368.169.00
Gybe Angles141.7°141.7°147.4°149.4°157.2°168.2°176.8°177.7°176.2°
APH ToD:539.4CDL: 9.539APH ToT: 1.1124CertNo:451002
BOAT
ClassIMX 38DesignerN.JEPPESENBuilderX YACHTSAge date07/1995Series date09/1992Offset fileIMX38.offData fileE4510_C
HULL
Length Overall11.360 mMaximum Beam3.660 mDraft2.083 mDisplacement5,148 kgDLR6.1034IMS DivisionPerformanceDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight640 kg(declared)Minimum weight510 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.7839.76Headsail Luffed34.6634.66Headsail FlyingSymmetric91.5691.56Asymmetric103.92103.92 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.22Storm Jib12.13Heavy Weather Jib32.74
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
PRUEBA DE ESCORA CADUCADA.
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
EL XESP-4510_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 VMG1354.9987.7817.1730.2691.7675.9667.0661.7670.5
52°872.3652.9557.8514.4494.5485.2480.1475.5476.8
60°821.9623.0539.8502.6483.4472.4466.5460.3459.3
75°793.3605.5528.9494.1473.4458.4447.6436.9431.1
90°834.8617.8522.9484.1464.6453.2439.2417.4405.1
110°822.5607.2512.8473.1446.7426.1410.2389.0372.3
120°851.3623.5522.1478.9450.3426.0404.5365.8336.9
135°974.5696.8566.4503.2469.8442.9418.7369.1294.5
150°1177.1828.2657.5559.9505.0473.5448.5403.8353.8
Run VMG1360.4956.3759.2646.5574.9525.4489.4441.0400.0
Selected Courses
Windward / Leeward1356.9972.0788.2688.3633.3600.6578.2551.4535.3
All purpose1031.2751.0621.6557.0522.0500.6484.6461.6442.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward660.60.9083
All purpose539.41.1124
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8029
Downwind "popa"0.9561
70% up, 30% down "Ilhabela"0.8434
30% up, 70% down "Ilhabela-inverso"0.9043
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Predominantly Upwind582.31.0303
Predominantly Downwind548.51.0939
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low686.30.8743
Triple Number AP Medium536.71.1180
Triple Number AP High480.01.2500
Triple Number Windward/Leeward Low917.90.6537
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Single Number Predominant Upwind604.60.9924
Single Number Predominant Reaching537.11.1171
Single Number Predominant Downwind570.71.0513
Predominant Upwind - Low822.90.7291
Predominant Upwind - Low/Med635.10.9447
Predominant Upwind - Medium564.71.0624
Predominant Upwind - Med/High529.61.1330
Predominant Upwind - High512.91.1698
Predominant Downwind Low827.40.7251
Predominant Downwind Low/Med618.30.9704
Predominant Downwind Medium530.71.1305
Predominant Downwind Med/High473.11.2681
Predominant Downwind High434.01.3826
Predominant Reaching Low738.50.8125
Predominant Reaching Low/Med568.91.0546
Predominant Reaching Medium504.31.1899
Predominant Reaching Med/High464.21.2925
Predominant Reaching High435.71.3772
SA/DSPL Upwind24.50SA/DSPL Downwind47.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1022.50.5868
5-Band Windward/Leeward Low/Med757.20.7924
5-Band Windward/Leeward Medium645.30.9299
5-Band Windward/Leeward Med/High582.11.0307
5-Band Windward/Leeward High553.21.0845
Windward/Leeward 60-40 Low1025.30.5852
Windward/Leeward 60-40 Low/Med764.40.7850
Windward/Leeward 60-40 Medium657.00.9133
Windward/Leeward 60-40 Med/High599.61.0006
Windward/Leeward 60-40 High575.41.0427
5-Band AP Low756.20.7935
5-Band AP Low/Med603.20.9948
5-Band AP Medium529.41.1334
5-Band AP Med/High486.61.2331
5-Band AP High462.31.2978
5-Band SF Bay Tour - Low883.20.6794
5-Band SF Bay Tour - Low/Med723.60.8292
5-Band SF Bay Tour - Medium622.90.9632
5-Band SF Bay Tour - Med/High567.51.0572
5-Band SF Bay Tour - High540.11.1108
Chicago-Mac Upwind0.9637
Chicago-Mac All Purpose0.9911
Chicago-Mac Downwind1.0132
Bayview-Mac Cove Island0.7322
Bayview-Mac Shore0.7373
Harvest Moon Regatta470.11.2763
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance586.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating586.11.0237
FinRating, kevyt tuuli1004.20.9959
FinRating, kova tuuli464.41.0766
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0237
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1182
Triple Number Coastal/Long Distance High1.2500
Triple Number Windward/Leeward Low0.6818
Triple Number Windward/Leeward Medium0.9141
Triple Number Windward/Leeward High1.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
For information
General Purpose Handicap (GPH)603.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low686.3
Triple Number Coastal/Long Distance Medium536.6
Triple Number Coastal/Long Distance High480.0
Triple Number Windward/Leeward Low880.0
Triple Number Windward/Leeward Medium656.4
Triple Number Windward/Leeward High573.8
Predominantly Upwind582.3
Predominantly Downwind548.5
Predominantly Reaching526.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1182
Triple Number Coastal/Long Distance High1.2500
Triple Number Windward/Leeward Low0.6818
Triple Number Windward/Leeward Medium0.9141
Triple Number Windward/Leeward High1.0457
Coastal/Long Distance1.0237
Predominantly Upwind1.0303
Predominantly Downwind1.0939
For information
General Purpose Handicap (GPH)603.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1124
Distanseseilas Trippeltall svak vind0.8743
Distanseseilas Trippeltall mellomvind1.1182
Distanseseilas Trippeltall sterk vind1.2500
Pølsebane Trippeltall svak vind0.6818
Pølsebane Trippeltall mellomvind0.9141
Pølsebane Trippeltall sterk vind1.0457
Motvind Singeltall1.0303
Medvind Singeltall1.0939
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Coastal/Long Distance586.11.0237
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind582.31.0303
Predominantly Downwind548.51.0939
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore540.11.1109
Cape Doctor Coastal448.41.3381
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1182
Triple Number Coastal/Long Distance High1.2500
Triple Number Windward/Leeward Low0.6818
Triple Number Windward/Leeward Medium0.9141
Triple Number Windward/Leeward High1.0457
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8743
Triple Number Coastal/Long Distance Medium1.1182
Triple Number Coastal/Long Distance High1.2500
Triple Number Windward/Leeward Low0.6818
Triple Number Windward/Leeward Medium0.9141
Triple Number Windward/Leeward High1.0457
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Predominantly Upwind582.31.0303
Predominantly Downwind548.51.0939
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance586.11.0237
Triple Number Coastal/Long Distance Low686.30.8743
Triple Number Coastal/Long Distance Medium536.61.1182
Triple Number Coastal/Long Distance High480.01.2500
Triple Number Windward/Leeward Low880.00.6818
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1438.6970.4742.6623.8556.0519.5489.7440.7422.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low686.30.8743
Triple Number AP Medium536.71.1180
Triple Number AP High480.01.2500
Triple Number Windward/Leeward Low917.90.6537
Triple Number Windward/Leeward Medium656.40.9141
Triple Number Windward/Leeward High573.81.0457
Single Number Predominant Upwind604.60.9924
Single Number Predominant Reaching537.11.1171
Single Number Predominant Downwind570.71.0513
Predominant Upwind - Low822.90.7291
Predominant Upwind - Low/Med635.10.9447
Predominant Upwind - Medium564.71.0624
Predominant Upwind - Med/High529.61.1330
Predominant Upwind - High512.91.1698
Predominant Downwind Low827.40.7251
Predominant Downwind Low/Med618.30.9704
Predominant Downwind Medium530.71.1305
Predominant Downwind Med/High473.11.2681
Predominant Downwind High434.01.3826
Predominant Reaching Low738.50.8125
Predominant Reaching Low/Med568.91.0546
Predominant Reaching Medium504.31.1899
Predominant Reaching Med/High464.21.2925
Predominant Reaching High435.71.3772
SA/DSPL Upwind24.50SA/DSPL Downwind47.61
Scoring OptionTODTOT
5-Band Windward/Leeward Low1022.50.5868
5-Band Windward/Leeward Low/Med757.20.7924
5-Band Windward/Leeward Medium645.30.9299
5-Band Windward/Leeward Med/High582.11.0307
5-Band Windward/Leeward High553.21.0845
Windward/Leeward 60-40 Low1025.30.5852
Windward/Leeward 60-40 Low/Med764.40.7850
Windward/Leeward 60-40 Medium657.00.9133
Windward/Leeward 60-40 Med/High599.61.0006
Windward/Leeward 60-40 High575.41.0427
5-Band AP Low756.20.7935
5-Band AP Low/Med603.20.9948
5-Band AP Medium529.41.1334
5-Band AP Med/High486.61.2331
5-Band AP High462.31.2978
5-Band SF Bay Tour - Low883.20.6794
5-Band SF Bay Tour - Low/Med723.60.8292
5-Band SF Bay Tour - Medium622.90.9632
5-Band SF Bay Tour - Med/High567.51.0572
5-Band SF Bay Tour - High540.11.1108
Chicago-Mac Upwind0.9637
Chicago-Mac All Purpose0.9911
Chicago-Mac Downwind1.0132
Bayview-Mac Cove Island0.7322
Bayview-Mac Shore0.7373
Harvest Moon Regatta470.11.2763
Club Certificate2025
EL XESP-4510_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIMX 38Measurement23/07/2008HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.360Max. Beam3.660Draft2.083Displacement5,148Wetted area25.37IMS L9.756LSM09.447Acc. length11.360Sink (kg/mm) 19.04
VCGD-0.250VCGM-0.170RM Rated (kg·m) 147.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight635Declared crew weight640
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0031
EDL1.590ST10.047ST20.170
ST30.180ST40.095ST50.335
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1Checkstays0Spreaders3Rotating mastNo
P13.240IG15.500ISP15.420MDT10.117MDL10.200MDT20.115MDL20.170TL1.600MW0.170GO0.190
E4.840J4.400BAS1.850FSD0.040SFJ0.250SPL4.488WPLTPSBD0.190MWT180.00MCG5.020
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered150.0Flotation Date02/07/2009
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
EL XESP-4510_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.151.101.963.184.0638.7803/05/201803051801
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.060.781.312.383.404.3914.90NoNo 34.6603/05/20180305180210.050.000.451.450.003.7915.00YesNo 25.8223/07/200840.090.450.881.772.743.7813.11NoInner 24.0320/02/2020TRINQUETA
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment214.8014.8014.807.517.0891.5614/07/2008
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment116.0814.0215.058.338.11103%103.9208/07/2020144515