Club
Certificate
2023

Boat

JU DOS

ESP-10598_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.2°41.2°40.0°39.4°39.3°39.0°39.9°
Beat VMG4.335.075.415.615.735.805.79
52°6.617.547.938.158.288.368.41
60°6.987.898.258.448.568.648.71
75°7.268.168.578.778.929.029.16
90°7.168.138.668.989.229.399.64
110°6.657.948.669.089.359.6010.07
120°6.457.798.599.119.589.9510.55
135°5.787.158.158.789.319.8511.10
150°4.856.137.228.088.639.049.86
Run VMG4.205.316.267.007.497.938.91
Gybe Angles142.4°145.7°148.9°150.5°151.0°171.8°176.6°

APH: 480.6

CDL: 12.079

GPH: 534.1

CertNo: 105981

BOAT
ClassX-50 SDDesignerN. JEPPESENBuilderX YACHTSAge date05/2005Series date01/2004Offset fileX50sk.OFFData fileE10598_C
HULL
Length Overall15.220 mMaximum Beam4.294 mDraft2.409 mDisplacement12,622 kgDLR5.5895IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.540m
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail84.2786.28Headsail Luffed75.4675.46Headsail FlyingSymmetricAsymmetric171.98171.98 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail24.03Storm Jib20.83Heavy Weather Jib56.24
SAIL LIMITS
Headsails1  Spinnakers5
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.
ORC Ref  03510002NWRIssued on 08/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JU DOS

ESP-10598_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG831.4710.6665.0641.5628.1620.9622.2
52°544.4477.2453.8441.9434.9430.7428.0
60°515.5456.3436.2426.4420.6416.7413.1
75°496.0440.9419.9410.3403.8399.1392.8
90°502.6442.6415.8400.7390.5383.3373.5
110°541.4453.5415.7396.6385.1375.0357.4
120°557.8462.0419.2395.0375.8361.9341.1
135°623.0503.2441.8410.0386.8365.7324.3
150°742.9587.6498.3445.4416.9398.1365.0
Run VMG857.9678.5575.4514.2481.0453.9404.2
Selected Courses
Windward / Leeward844.7694.6620.2577.9554.5537.4513.2
All purpose646.5542.1493.5466.9451.0439.2422.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward599.41.0010
All purpose480.61.2485
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8899
Downwind "popa"1.0593
70% up, 30% down "Ilhabela"0.9347
30% up, 70% down "Ilhabela-inverso"1.0021
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Predominantly Upwind518.61.1570
Predominantly Downwind486.11.2342
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.31.0096
Triple Number All Purpose Medium478.11.2550
Triple Number All Purpose High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Predominantly Upwind518.61.1570
Predominantly Downwind486.11.2342
Predominantly Upwind Low653.70.9178
Predominantly Upwind Medium540.11.1108
Predominantly Upwind High514.51.1663
Predominantly Downwind Low660.40.9085
Predominantly Downwind Medium484.61.2382
Predominantly Downwind High410.91.4602
Chicago-Mac Upwind1.1365
Chicago-Mac All Purpose1.1727
Chicago-Mac Downwind1.2128
Bayview-Mac Cove Island1.1107
Bayview-Mac Shore1.1197
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching451.31.3294
Predominantly Reaching Low537.11.1171
Predominantly Reaching Medium447.01.3424
Predominantly Reaching High399.71.5012
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low833.10.7202
5-Band Low / Medium711.70.8431
5-Band Medium587.41.0215
5-Band Medium / High539.61.1119
5-Band High517.41.1597
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance523.7
Triple Number Coastal/Long Distance Low594.3
Triple Number Coastal/Long Distance Medium478.1
Triple Number Coastal/Long Distance High436.0
Triple Number Windward/Leeward Low769.6
Triple Number Windward/Leeward Medium595.8
Triple Number Windward/Leeward High532.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0096
Triple Number Coastal/Long Distance Medium1.2550
Triple Number Coastal/Long Distance High1.3763
Triple Number Windward/Leeward Low0.7796
Triple Number Windward/Leeward Medium1.0070
Triple Number Windward/Leeward High1.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low594.3
Triple Number Coastal/Long Distance Medium478.1
Triple Number Coastal/Long Distance High436.0
Triple Number Windward/Leeward Low769.6
Triple Number Windward/Leeward Medium595.8
Triple Number Windward/Leeward High532.6
Predominantly Upwind518.6
Predominantly Downwind486.1
Predominantly Reaching462.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0096
Triple Number Coastal/Long Distance Medium1.2550
Triple Number Coastal/Long Distance High1.3763
Triple Number Windward/Leeward Low0.7796
Triple Number Windward/Leeward Medium1.0070
Triple Number Windward/Leeward High1.1266
Coastal/Long Distance1.1456
Predominantly Upwind1.1570
Predominantly Downwind1.2342
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0096
Tretall Distanseseilas Mellomvind1.2550
Tretall Distanseseilas Mye vind1.3763
Tretall Pølsebane Lite vind0.7796
Tretall Pølsebane Mellomvind1.0070
Tretall Pølsebane Mye vind1.1266
Distanseseilas ett tall (OSN 8-16kn)1.1456
Distanseseilas ett tall (APH 6-20kn)1.2485
Enkeltall Motvind1.1570
Enkeltall Medvind1.2342
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Coastal/Long Distance523.71.1456
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind518.61.1570
Predominantly Downwind486.11.2342
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore520.41.1529
Cape Doctor Coastal427.61.4031
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0096
Triple Number Coastal/Long Distance Medium1.2550
Triple Number Coastal/Long Distance High1.3763
Triple Number Windward/Leeward Low0.7796
Triple Number Windward/Leeward Medium1.0070
Triple Number Windward/Leeward High1.1266
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0096
Triple Number Coastal/Long Distance Medium1.2550
Triple Number Coastal/Long Distance High1.3763
Triple Number Windward/Leeward Low0.7796
Triple Number Windward/Leeward Medium1.0070
Triple Number Windward/Leeward High1.1266
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Predominantly Upwind518.61.1570
Predominantly Downwind486.11.2342
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance523.71.1456
Triple Number Coastal/Long Distance Low594.31.0096
Triple Number Coastal/Long Distance Medium478.11.2550
Triple Number Coastal/Long Distance High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance846.0653.1557.5499.7467.9442.5402.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low594.31.0096
Triple Number All Purpose Medium478.11.2550
Triple Number All Purpose High436.01.3763
Triple Number Windward/Leeward Low769.60.7796
Triple Number Windward/Leeward Medium595.81.0070
Triple Number Windward/Leeward High532.61.1266
Predominantly Upwind518.61.1570
Predominantly Downwind486.11.2342
Predominantly Upwind Low653.70.9178
Predominantly Upwind Medium540.11.1108
Predominantly Upwind High514.51.1663
Predominantly Downwind Low660.40.9085
Predominantly Downwind Medium484.61.2382
Predominantly Downwind High410.91.4602
Chicago-Mac Upwind1.1365
Chicago-Mac All Purpose1.1727
Chicago-Mac Downwind1.2128
Bayview-Mac Cove Island1.1107
Bayview-Mac Shore1.1197
Harvest Moon Regatta415.01.4457
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy517.61.1592
San Francisco Bay Medium584.11.0273
Predominantly Reaching451.31.3294
Predominantly Reaching Low537.11.1171
Predominantly Reaching Medium447.01.3424
Predominantly Reaching High399.71.5012
Windward/Leeward 60-40 Low769.90.7793
Windward/Leeward 60-40 Medium614.90.9758
Windward/Leeward 60-40 High563.41.0649
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low833.10.7202
5-Band Low / Medium711.70.8431
5-Band Medium587.41.0215
5-Band Medium / High539.61.1119
5-Band High517.41.1597
ORC Ref  03510002NWRIssued on 08/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JU DOS

ESP-10598_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-50 SDMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA15.220Max. Beam4.294Draft2.409Displacement12,622Wetted area43.78IMS L13.323LSM013.118Acc. length13.956Sink (kg/mm) 33.34
VCGD0.097VCGM0.090RM Rated (kg·m) 357.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.540PBWPIPA0.0039
EDL3.680ST10.048ST2
ST3ST40.112ST50.295
RIG
Forestay tensionAftInner stayFixedCarbon mastNoHeadsail furlerYesMainsail furlerYesArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P19.900IG20.410ISP20.600MDT10.100MDL10.110MDT2MDL2TLMWGO
E6.900J5.650BAS2.000FSD0.050SFJ0.393SPLWPLTPS6.043BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered360.0Flotation Date01/01/2010MeasurerComment
SFFP0.350FFMFF1.745LCFcl8.536SG
SAFP14.588FAMFA1.347LCFsh8.786HBI1.482
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002NWRIssued on 08/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JU DOS

ESP-10598_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00184.27
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0017.00NoNo 75.46
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00120.30NaN171.98
ORC Ref  03510002NWRIssued on 08/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org