International
Certificate
2023

Boat

RAYGRASS III

ESP-7071

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 Angles44.2°41.7°40.6°39.4°39.0°38.8°39.3°
Beat VMG3.203.904.404.744.894.954.97
52°4.915.826.446.806.997.067.12
60°5.186.076.656.997.187.277.35
75°5.356.266.827.157.377.547.73
90°5.246.216.897.257.457.668.03
110°5.206.327.007.407.738.028.41
120°5.036.156.907.347.688.028.64
135°4.505.606.477.047.437.788.50
150°3.804.895.816.567.077.438.09
Run VMG3.294.235.055.766.386.907.59
Gybe Angles145.7°149.8°153.2°157.7°168.2°177.2°179.0°

APH: 590.3

CDL: 8.605

GPH: 665.8

CertNo: 707101

BOAT
ClassDUFOUR 34DesignerFelci YachtsBuilderDUFOURAge date04/2004Series date07/2003Offset fileDUF34PERF.offData fileE7071
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.951 mDisplacement5,683 kgDLR6.8267IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight470 kgMinimum weight353 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.1231.78Headsail Luffed28.5928.59Headsail FlyingSymmetric64.3664.36Asymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.50Heavy Weather Jib22.94
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment115.0 kg·mStability Index113.2
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  03510002DHLIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

RAYGRASS III

ESP-7071

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 VMG1125.9923.6818.0760.1736.9726.8725.0
52°733.7618.8559.2529.3515.4509.7505.8
60°695.3592.7541.4515.3501.7495.0489.7
75°672.5575.0528.2503.7488.2477.2465.8
90°687.4579.7522.8496.4483.3470.0448.6
110°691.8569.8514.3486.3465.5448.6427.9
120°715.9585.2521.8490.5468.6449.1416.6
135°800.0642.5556.2511.1484.7462.8423.6
150°947.5736.3619.6549.0509.5484.8445.0
Run VMG1094.1850.2713.3625.1564.2521.7474.1
Selected Courses
Windward / Leeward1110.0886.9765.6692.6650.6624.2599.5
All purpose852.9695.3612.5566.3540.7524.0503.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward727.60.8246
All purpose590.31.0164
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7221
Downwind "popa"0.8673
70% up, 30% down "Ilhabela"0.7603
30% up, 70% down "Ilhabela-inverso"0.8180
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Predominantly Upwind638.50.9398
Predominantly Downwind602.50.9959
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.10.7751
Triple Number All Purpose Medium586.11.0238
Triple Number All Purpose High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Predominantly Upwind638.50.9398
Predominantly Downwind602.50.9959
Predominantly Upwind Low860.70.6971
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High607.20.9882
Predominantly Downwind Low849.00.7067
Predominantly Downwind Medium596.91.0051
Predominantly Downwind High494.31.2138
Chicago-Mac Upwind0.9212
Chicago-Mac All Purpose0.9463
Chicago-Mac Downwind0.9772
Bayview-Mac Cove Island0.8757
Bayview-Mac Shore0.8857
Victoria-Maui1.0480
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance643.3
Triple Number Coastal/Long Distance Low774.1
Triple Number Coastal/Long Distance Medium586.1
Triple Number Coastal/Long Distance High520.6
Triple Number Windward/Leeward Low998.5
Triple Number Windward/Leeward Medium722.6
Triple Number Windward/Leeward High621.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7751
Triple Number Coastal/Long Distance Medium1.0238
Triple Number Coastal/Long Distance High1.1526
Triple Number Windward/Leeward Low0.6009
Triple Number Windward/Leeward Medium0.8303
Triple Number Windward/Leeward High0.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low774.1
Triple Number Coastal/Long Distance Medium586.1
Triple Number Coastal/Long Distance High520.6
Triple Number Windward/Leeward Low998.5
Triple Number Windward/Leeward Medium722.6
Triple Number Windward/Leeward High621.6
Predominantly Upwind638.5
Predominantly Downwind602.5
Predominantly Reaching576.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7751
Triple Number Coastal/Long Distance Medium1.0238
Triple Number Coastal/Long Distance High1.1526
Triple Number Windward/Leeward Low0.6009
Triple Number Windward/Leeward Medium0.8303
Triple Number Windward/Leeward High0.9653
Coastal/Long Distance0.9327
Predominantly Upwind0.9398
Predominantly Downwind0.9959
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7751
Tretall Distanseseilas Mellomvind1.0238
Tretall Distanseseilas Mye vind1.1526
Tretall Pølsebane Lite vind0.6009
Tretall Pølsebane Mellomvind0.8303
Tretall Pølsebane Mye vind0.9653
Distanseseilas ett tall (OSN 8-16kn)0.9327
Distanseseilas ett tall (APH 6-20kn)1.0164
Enkeltall Motvind0.9398
Enkeltall Medvind0.9959
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Coastal/Long Distance643.30.9327
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind638.50.9398
Predominantly Downwind602.50.9959
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore607.00.9885
Cape Doctor Coastal509.81.1769
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7751
Triple Number Coastal/Long Distance Medium1.0238
Triple Number Coastal/Long Distance High1.1526
Triple Number Windward/Leeward Low0.6009
Triple Number Windward/Leeward Medium0.8303
Triple Number Windward/Leeward High0.9653
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7751
Triple Number Coastal/Long Distance Medium1.0238
Triple Number Coastal/Long Distance High1.1526
Triple Number Windward/Leeward Low0.6009
Triple Number Windward/Leeward Medium0.8303
Triple Number Windward/Leeward High0.9653
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Predominantly Upwind638.50.9398
Predominantly Downwind602.50.9959
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.30.9327
Triple Number Coastal/Long Distance Low774.10.7751
Triple Number Coastal/Long Distance Medium586.11.0238
Triple Number Coastal/Long Distance High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1108.4834.2689.9604.7561.4529.6480.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.10.7751
Triple Number All Purpose Medium586.11.0238
Triple Number All Purpose High520.61.1526
Triple Number Windward/Leeward Low998.50.6009
Triple Number Windward/Leeward Medium722.60.8303
Triple Number Windward/Leeward High621.60.9653
Predominantly Upwind638.50.9398
Predominantly Downwind602.50.9959
Predominantly Upwind Low860.70.6971
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High607.20.9882
Predominantly Downwind Low849.00.7067
Predominantly Downwind Medium596.91.0051
Predominantly Downwind High494.31.2138
Chicago-Mac Upwind0.9212
Chicago-Mac All Purpose0.9463
Chicago-Mac Downwind0.9772
Bayview-Mac Cove Island0.8757
Bayview-Mac Shore0.8857
Harvest Moon Regatta511.01.1742
Victoria-Maui1.0480
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy611.50.9812
San Francisco Bay Medium717.10.8367
Predominantly Reaching1.0676
Predominantly Reaching Low0.8539
Predominantly Reaching Medium1.0778
Predominantly Reaching High1.2284
Windward/Leeward 60-40 Low1003.70.5978
Windward/Leeward 60-40 Medium744.60.8058
Windward/Leeward 60-40 High658.00.9119
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1092.80.5490
5-Band Low / Medium908.70.6603
5-Band Medium708.20.8472
5-Band Medium / High630.30.9519
5-Band High603.80.9937
ORC Ref  03510002DHLIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

RAYGRASS III

ESP-7071

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 34Measurement24/08/2010HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.300Max. Beam3.482Draft1.951Displacement5,683Wetted area24.37IMS L9.491LSM09.406Acc. length10.300Sink (kg/mm) 18.81
VCGD0.133VCGM0.139RM Rated (kg·m) 115.0Limit of positive stability(°) 111.5Stability Index113.2
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0031
EDL2.200ST10.050ST20.170
ST30.170ST40.097ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.830IG12.930ISP12.980MDT10.120MDL10.180MDT20.120MDL20.180TL0.000MW0.180GO0.210
E4.500J3.740BAS1.660FSD0.032SFJ0.140SPL3.770WPLTPSBD0.150MWT120.00MCG5.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date12/03/2019MeasurerESP 24Comment
SFFP0.390FFM1.283FF1.283LCFcl5.777SG1.0250
SAFP9.636FAM1.020FA1.020LCFsh6.025HBI1.105
W185.2W285.2W385.2W485.2LCFD
PD1249.5PD2246.5PD3248.1PD4243.8
WD4.160PLM9000.00GSA1.0RSA1.0RM113.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG002AGUA RIGIDO TANQUE POPA15008.01001GAS OIL RIGIDO9008.17003AGUA RIGIDO TANQUE PROA15002.04Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG001MiscellaneousCALENTADOR DE AGUA5.04001BatteryBATERIA 60A7.99002BatteryBATERIA 60A7.99001EngineVOLVO 29 CVTotal deductible
ORC Ref  03510002DHLIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

International
Certificate
2023

Boat

RAYGRASS III

ESP-7071

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment3dl0.170.901.642.823.7331.1216/08/20193dl
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0040.080.591.102.203.404.7912.46NoNo 28.59
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment00412.7712.7712.776.026.1664.36
ORC Ref  03510002DHLIssued on 07/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org