International
Certificate
2023

Boat

JUST4FUN

ESP-1103

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 Angles42.7°40.6°38.7°38.2°38.2°38.2°39.3°
Beat VMG3.283.974.404.544.594.614.56
52°4.985.816.226.376.446.496.51
60°5.225.996.366.556.656.716.77
75°5.366.106.506.786.977.097.24
90°5.466.256.536.877.177.437.79
110°5.586.426.907.247.537.818.39
120°5.446.376.937.427.908.339.27
135°4.936.006.667.247.868.6311.14
150°4.215.296.086.607.037.549.85
Run VMG3.654.585.265.726.096.538.53
Gybe Angles144.8°148.7°149.8°149.6°147.5°144.4°141.0°

APH: 597.8

CDL: 7.156

GPH: 665.2

CertNo: 1103J1

BOAT
ClassJ 80DesignerJOHNSTONEBuilderJ COMPOSITEAge date06/2008Series date01/2008Offset fileJ80.OD.offData fileE1103J80
HULL
Length Overall8.000 mMaximum Beam2.488 mDraft1.507 mDisplacement1,524 kgDLR4.6646IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight338 kgMinimum weight253 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.0021.63Headsail Luffed14.2014.20Headsail FlyingSymmetricAsymmetric62.7562.75 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.11Storm Jib4.57Heavy Weather Jib12.32
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment29.4 kg·mStability Index109.2
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  03510002B7WIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JUST4FUN

ESP-1103

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 VMG1096.1906.3818.7793.7784.5781.0788.9
52°722.9619.8579.1565.0558.6555.0553.2
60°689.3601.2565.7549.4541.6536.4532.1
75°671.3589.7554.2531.3516.7507.7497.4
90°658.8575.9551.2524.4501.9484.7462.2
110°645.6560.5521.7497.0478.1460.7429.2
120°661.3565.6519.5485.0455.5432.3388.4
135°729.6599.8540.7497.4457.9417.2323.2
150°855.3681.2592.2545.1512.0477.6365.3
Run VMG987.6786.5683.9629.4591.2551.4421.8
Selected Courses
Windward / Leeward1041.9846.4751.3711.5687.9666.2605.4
All purpose808.0674.8613.9583.3562.5544.4503.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward734.90.8164
All purpose597.81.0038
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7036
Downwind "popa"0.9029
70% up, 30% down "Ilhabela"0.7535
30% up, 70% down "Ilhabela-inverso"0.8322
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Predominantly Upwind652.60.9194
Predominantly Downwind594.71.0088
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low741.40.8093
Triple Number All Purpose Medium595.91.0069
Triple Number All Purpose High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Predominantly Upwind652.60.9194
Predominantly Downwind594.71.0088
Predominantly Upwind Low833.10.7202
Predominantly Upwind Medium679.50.8830
Predominantly Upwind High649.20.9243
Predominantly Downwind Low792.60.7570
Predominantly Downwind Medium591.11.0151
Predominantly Downwind High479.01.2527
Chicago-Mac Upwind0.9051
Chicago-Mac All Purpose0.9458
Chicago-Mac Downwind0.9939
Bayview-Mac Cove Island0.8859
Bayview-Mac Shore0.8888
Victoria-Maui1.0770
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance647.9
Triple Number Coastal/Long Distance Low741.4
Triple Number Coastal/Long Distance Medium595.9
Triple Number Coastal/Long Distance High533.7
Triple Number Windward/Leeward Low944.1
Triple Number Windward/Leeward Medium730.1
Triple Number Windward/Leeward High648.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8093
Triple Number Coastal/Long Distance Medium1.0069
Triple Number Coastal/Long Distance High1.1243
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8218
Triple Number Windward/Leeward High0.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low741.4
Triple Number Coastal/Long Distance Medium595.9
Triple Number Coastal/Long Distance High533.7
Triple Number Windward/Leeward Low944.1
Triple Number Windward/Leeward Medium730.1
Triple Number Windward/Leeward High648.8
Predominantly Upwind652.6
Predominantly Downwind594.7
Predominantly Reaching574.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8093
Triple Number Coastal/Long Distance Medium1.0069
Triple Number Coastal/Long Distance High1.1243
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8218
Triple Number Windward/Leeward High0.9248
Coastal/Long Distance0.9261
Predominantly Upwind0.9194
Predominantly Downwind1.0088
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8093
Tretall Distanseseilas Mellomvind1.0069
Tretall Distanseseilas Mye vind1.1243
Tretall Pølsebane Lite vind0.6355
Tretall Pølsebane Mellomvind0.8218
Tretall Pølsebane Mye vind0.9248
Distanseseilas ett tall (OSN 8-16kn)0.9261
Distanseseilas ett tall (APH 6-20kn)1.0038
Enkeltall Motvind0.9194
Enkeltall Medvind1.0088
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Coastal/Long Distance647.90.9261
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind652.60.9194
Predominantly Downwind594.71.0088
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore623.60.9621
Cape Doctor Coastal516.01.1629
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8093
Triple Number Coastal/Long Distance Medium1.0069
Triple Number Coastal/Long Distance High1.1243
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8218
Triple Number Windward/Leeward High0.9248
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8093
Triple Number Coastal/Long Distance Medium1.0069
Triple Number Coastal/Long Distance High1.1243
Triple Number Windward/Leeward Low0.6355
Triple Number Windward/Leeward Medium0.8218
Triple Number Windward/Leeward High0.9248
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Predominantly Upwind652.60.9194
Predominantly Downwind594.71.0088
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance647.90.9261
Triple Number Coastal/Long Distance Low741.40.8093
Triple Number Coastal/Long Distance Medium595.91.0069
Triple Number Coastal/Long Distance High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1036.4798.3683.7621.9584.0549.4480.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low741.40.8093
Triple Number All Purpose Medium595.91.0069
Triple Number All Purpose High533.71.1243
Triple Number Windward/Leeward Low944.10.6355
Triple Number Windward/Leeward Medium730.10.8218
Triple Number Windward/Leeward High648.80.9248
Predominantly Upwind652.60.9194
Predominantly Downwind594.71.0088
Predominantly Upwind Low833.10.7202
Predominantly Upwind Medium679.50.8830
Predominantly Upwind High649.20.9243
Predominantly Downwind Low792.60.7570
Predominantly Downwind Medium591.11.0151
Predominantly Downwind High479.01.2527
Chicago-Mac Upwind0.9051
Chicago-Mac All Purpose0.9458
Chicago-Mac Downwind0.9939
Bayview-Mac Cove Island0.8859
Bayview-Mac Shore0.8888
Harvest Moon Regatta513.31.1689
Victoria-Maui1.0770
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy630.30.9520
San Francisco Bay Medium715.40.8387
Predominantly Reaching1.0613
Predominantly Reaching Low0.8927
Predominantly Reaching Medium1.0693
Predominantly Reaching High1.2327
Windward/Leeward 60-40 Low955.60.6279
Windward/Leeward 60-40 Medium757.00.7926
Windward/Leeward 60-40 High695.10.8632
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1026.80.5843
5-Band Low / Medium870.30.6894
5-Band Medium721.50.8316
5-Band Medium / High663.30.9045
5-Band High615.90.9742
ORC Ref  03510002B7WIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JUST4FUN

ESP-1103

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 80Measurement05/10/2017HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.000Max. Beam2.488Draft1.507Displacement1,524Wetted area12.12IMS L7.232LSM06.886Acc. length8.032Sink (kg/mm) 9.25
VCGD-0.167VCGM-0.103RM Rated (kg·m) 29.4Limit of positive stability(°) 115.1Stability Index109.2
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P9.160IG9.550ISP10.060MDT10.081MDL10.133MDT20.065MDL20.103TL0.310MW0.133GO0.133
E3.810J2.880BAS1.300FSD0.026SFJSPLWPLTPS4.700BD0.094MWT55.00MCG3.450
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date05/10/2017MeasurerESP 493Comment
SFFP0.177FFM0.878FF0.878LCFcl4.310SG1.0270
SAFP8.015FAM0.608FA0.608LCFsh4.485HBI0.734
W125.0W225.0W325.0W425.0
PD1547.6PD2542.1PD3546.3PD4545.4
WD8.140PLM9000.00GSA1.0RSA1.0RM29.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002B7WIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

JUST4FUN

ESP-1103

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0020.160.801.462.483.2521.0002/02/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0030.080.430.811.572.252.979.27YesNo 14.2002/02/20220010.060.410.761.442.152.889.20YesNo 13.37
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00112.009.6010.806.897.3094%62.75
ORC Ref  03510002B7WIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org