Club Certificate2025
MI MARESP-4448_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 Angles42.5°42.5°40.4°38.7°38.0°38.3°38.5°38.9°40.8°
Beat VMG2.833.854.574.955.125.195.235.245.08
52°4.405.806.687.087.247.317.377.427.37
60°4.676.086.897.277.447.537.597.677.67
75°4.876.277.027.427.687.847.948.118.20
90°4.756.176.997.447.778.048.268.538.75
110°4.305.846.937.507.898.168.388.779.19
120°4.195.716.827.457.928.348.719.259.78
135°3.685.156.357.167.698.178.659.8211.55
150°3.054.365.536.527.237.728.189.1910.82
Run VMG2.643.774.795.666.396.977.438.289.37
Gybe Angles144.9°144.9°149.2°152.3°158.8°165.7°169.8°170.0°146.7°
APH ToD:538.8CDL: 9.339APH ToT: 1.1136CertNo:444801
BOAT
ClassIMX 38DesignerN. JEPPESENBuilderX YATCHSAge date04/1995Series date08/1992Offset fileIMX38.offData fileE4448_C
HULL
Length Overall11.360 mMaximum Beam3.660 mDraft2.082 mDisplacement5,148 kgDLR6.1180IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.410m
CREW
Maximum weight320 kg(declared)Minimum weight190 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.2041.28Headsail Luffed50.3750.37Headsail FlyingSymmetric110.95110.95Asymmetric
STORM SAIL AREAS (m²)
Trysail11.47Storm Jib11.91Heavy Weather Jib32.15
SAIL LIMITS
Headsails5
✱ One set on the forestay
✱ Woven polyester sails
Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
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
MI MARESP-4448_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 VMG1271.7936.2787.5726.6703.6693.1688.8687.3709.3
52°818.5620.5539.2508.6497.3492.2488.6485.2488.6
60°770.2592.3522.6495.5483.9478.0474.3469.4469.6
75°738.7574.4512.5485.1468.9459.3453.5443.8439.2
90°757.1583.6515.3483.8463.3447.8436.1421.8411.5
110°836.4616.4519.8480.0456.3440.9429.4410.5391.9
120°860.0630.5528.1483.2454.8431.7413.2389.3368.2
135°979.6699.0567.0502.7468.4440.8416.2366.8311.8
150°1182.3826.3651.4552.2497.9466.4440.0391.5332.8
Run VMG1366.2954.1752.1636.2563.0516.5484.4435.0384.2
Selected Courses
Windward / Leeward1317.7945.2769.8681.4633.3604.8586.6561.2546.8
All purpose995.9730.5610.3553.6523.2504.6491.1470.4455.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward658.20.9116
All purpose538.81.1136
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8041
Downwind "popa"0.9675
70% up, 30% down "Ilhabela"0.8470
30% up, 70% down "Ilhabela-inverso"0.9119
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Predominantly Upwind580.61.0334
Predominantly Downwind544.11.1027
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low670.40.8950
Triple Number AP Medium536.01.1194
Triple Number AP High486.71.2327
Triple Number Windward/Leeward Low894.80.6705
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Single Number Predominant Upwind600.90.9984
Single Number Predominant Reaching532.41.1270
Single Number Predominant Downwind566.31.0595
Predominant Upwind - Low788.40.7610
Predominant Upwind - Low/Med623.20.9627
Predominant Upwind - Medium566.11.0599
Predominant Upwind - Med/High537.91.1154
Predominant Upwind - High525.01.1428
Predominant Downwind Low814.00.7371
Predominant Downwind Low/Med611.70.9809
Predominant Downwind Medium527.41.1377
Predominant Downwind Med/High472.51.2698
Predominant Downwind High435.71.3771
Predominant Reaching Low714.00.8403
Predominant Reaching Low/Med561.51.0685
Predominant Reaching Medium502.91.1931
Predominant Reaching Med/High465.41.2892
Predominant Reaching High440.61.3617
SA/DSPL Upwind30.22SA/DSPL Downwind50.42
Scoring OptionTODTOT
5-Band Windward/Leeward Low994.80.6032
5-Band Windward/Leeward Low/Med744.30.8061
5-Band Windward/Leeward Medium644.00.9317
5-Band Windward/Leeward Med/High589.31.0182
5-Band Windward/Leeward High563.11.0656
Windward/Leeward 60-40 Low992.40.6046
Windward/Leeward 60-40 Low/Med750.50.7994
Windward/Leeward 60-40 Medium657.40.9126
Windward/Leeward 60-40 Med/High609.50.9844
Windward/Leeward 60-40 High588.71.0191
5-Band AP Low738.60.8124
5-Band AP Low/Med595.11.0082
5-Band AP Medium529.71.1327
5-Band AP Med/High492.61.2181
5-Band AP High471.41.2729
5-Band SF Bay Tour - Low859.00.6985
5-Band SF Bay Tour - Low/Med712.10.8426
5-Band SF Bay Tour - Medium623.30.9627
5-Band SF Bay Tour - Med/High575.61.0424
5-Band SF Bay Tour - High551.41.0882
Chicago-Mac Upwind0.9732
Chicago-Mac All Purpose1.0008
Chicago-Mac Downwind1.0223
Bayview-Mac Cove Island0.7493
Bayview-Mac Shore0.7557
Harvest Moon Regatta469.01.2792
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance584.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0272
Triple Number Coastal/Long Distance Low0.8950
Triple Number Coastal/Long Distance Medium1.1195
Triple Number Coastal/Long Distance High1.2327
Triple Number Windward/Leeward Low0.6997
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
For information
General Purpose Handicap (GPH)599.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low670.4
Triple Number Coastal/Long Distance Medium536.0
Triple Number Coastal/Long Distance High486.7
Triple Number Windward/Leeward Low857.5
Triple Number Windward/Leeward Medium653.6
Triple Number Windward/Leeward High581.6
Predominantly Upwind580.6
Predominantly Downwind544.1
Predominantly Reaching522.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8950
Triple Number Coastal/Long Distance Medium1.1195
Triple Number Coastal/Long Distance High1.2327
Triple Number Windward/Leeward Low0.6997
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0316
Coastal/Long Distance1.0272
Predominantly Upwind1.0334
Predominantly Downwind1.1027
For information
General Purpose Handicap (GPH)599.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8950
Tretall Distanseseilas Mellomvind1.1195
Tretall Distanseseilas Mye vind1.2327
Tretall Pølsebane Lite vind0.6997
Tretall Pølsebane Mellomvind0.9180
Tretall Pølsebane Mye vind1.0316
Distanseseilas ett tall1.1136
Enkeltall Motvind1.0334
Enkeltall Medvind1.1027
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Coastal/Long Distance584.11.0272
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind580.61.0334
Predominantly Downwind544.11.1027
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore551.11.0887
Cape Doctor Coastal459.71.3051
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8950
Triple Number Coastal/Long Distance Medium1.1195
Triple Number Coastal/Long Distance High1.2327
Triple Number Windward/Leeward Low0.6997
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0316
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8950
Triple Number Coastal/Long Distance Medium1.1195
Triple Number Coastal/Long Distance High1.2327
Triple Number Windward/Leeward Low0.6997
Triple Number Windward/Leeward Medium0.9180
Triple Number Windward/Leeward High1.0316
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Predominantly Upwind580.61.0334
Predominantly Downwind544.11.1027
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance584.11.0272
Triple Number Coastal/Long Distance Low670.40.8950
Triple Number Coastal/Long Distance Medium536.01.1195
Triple Number Coastal/Long Distance High486.71.2327
Triple Number Windward/Leeward Low857.50.6997
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1401.6946.1726.7618.6557.3523.0495.1450.4434.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low670.40.8950
Triple Number AP Medium536.01.1194
Triple Number AP High486.71.2327
Triple Number Windward/Leeward Low894.80.6705
Triple Number Windward/Leeward Medium653.60.9180
Triple Number Windward/Leeward High581.61.0316
Single Number Predominant Upwind600.90.9984
Single Number Predominant Reaching532.41.1270
Single Number Predominant Downwind566.31.0595
Predominant Upwind - Low788.40.7610
Predominant Upwind - Low/Med623.20.9627
Predominant Upwind - Medium566.11.0599
Predominant Upwind - Med/High537.91.1154
Predominant Upwind - High525.01.1428
Predominant Downwind Low814.00.7371
Predominant Downwind Low/Med611.70.9809
Predominant Downwind Medium527.41.1377
Predominant Downwind Med/High472.51.2698
Predominant Downwind High435.71.3771
Predominant Reaching Low714.00.8403
Predominant Reaching Low/Med561.51.0685
Predominant Reaching Medium502.91.1931
Predominant Reaching Med/High465.41.2892
Predominant Reaching High440.61.3617
SA/DSPL Upwind30.22SA/DSPL Downwind50.42
Scoring OptionTODTOT
5-Band Windward/Leeward Low994.80.6032
5-Band Windward/Leeward Low/Med744.30.8061
5-Band Windward/Leeward Medium644.00.9317
5-Band Windward/Leeward Med/High589.31.0182
5-Band Windward/Leeward High563.11.0656
Windward/Leeward 60-40 Low992.40.6046
Windward/Leeward 60-40 Low/Med750.50.7994
Windward/Leeward 60-40 Medium657.40.9126
Windward/Leeward 60-40 Med/High609.50.9844
Windward/Leeward 60-40 High588.71.0191
5-Band AP Low738.60.8124
5-Band AP Low/Med595.11.0082
5-Band AP Medium529.71.1327
5-Band AP Med/High492.61.2181
5-Band AP High471.41.2729
5-Band SF Bay Tour - Low859.00.6985
5-Band SF Bay Tour - Low/Med712.10.8426
5-Band SF Bay Tour - Medium623.30.9627
5-Band SF Bay Tour - Med/High575.61.0424
5-Band SF Bay Tour - High551.41.0882
Chicago-Mac Upwind0.9732
Chicago-Mac All Purpose1.0008
Chicago-Mac Downwind1.0223
Bayview-Mac Cove Island0.7493
Bayview-Mac Shore0.7557
Harvest Moon Regatta469.01.2792
Club Certificate2025
MI MARESP-4448_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIMX 38Measurement23/05/2006HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.360Max. Beam3.660Draft2.082Displacement5,148Wetted area25.41IMS L9.669LSM09.440Acc. length11.360Sink (kg/mm) 19.09
VCGD-0.243VCGM-0.163RM Rated (kg·m) 147.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight634Declared crew weight320
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.110PIPA0.0034
EDL1.590ST10.046ST20.170
ST30.180ST40.098ST50.335
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders3Rotating mastNo
P13.340IG15.430ISP15.400MDT10.121MDL10.174MDT20.117MDL20.158TL1.610MW0.158GO0.158
E4.910J4.360BAS1.830FSD0.037SFJ0.265SPL4.498WPLTPSBD0.160MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered150.0Flotation Date18/05/1995
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
MI MARESP-4448_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC40.20* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC6.5815.04NoNo 50.37* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC15.7015.7015.708.508.40110.95* Copied from legacy *