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 Angles43.6°41.4°40.5°39.6°39.4°39.4°39.6°
Beat VMG3.243.934.424.714.834.894.89
52°4.955.866.476.806.957.027.06
60°5.226.116.686.997.167.237.30
75°5.406.306.847.167.377.537.68
90°5.306.246.867.237.457.678.01
110°5.206.306.997.397.728.008.36
120°5.026.146.897.337.678.008.62
135°4.495.596.467.047.437.788.50
150°3.794.885.806.557.067.438.10
Run VMG3.284.235.045.766.386.907.60
Gybe Angles145.7°150.2°153.2°157.7°168.2°177.2°179.0°

APH: 590.9

CDL: 8.553

GPH: 665.5

CertNo: 707102

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 weight350 kgMinimum weight263 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.9031.53Headsail Luffed30.6130.61Headsail FlyingSymmetric62.9262.92Asymmetric
STORM SAIL AREAS (m²)
Trysail9.32Storm Jib8.50Heavy Weather Jib22.94
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment115.0 kg·mStability Index114.3
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.

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 VMG1111.4915.1813.9763.6745.0736.6736.9
52°726.8614.5556.5529.6518.2513.0510.0
60°689.8589.2539.2515.1503.1497.6493.3
75°666.5571.9526.4502.8488.2478.4468.7
90°679.1576.9524.5498.2483.5469.6449.7
110°692.9571.4515.3487.1466.5450.0430.8
120°716.9586.2522.5491.0469.1449.8417.7
135°801.5643.6556.9511.5484.8462.7423.5
150°949.6737.7620.4549.5509.7484.8444.5
Run VMG1096.5851.5714.1625.5564.5521.9473.9
Selected Courses
Windward / Leeward1103.9883.3764.0694.6654.8629.2605.4
All purpose848.3693.0611.7567.5543.0526.7507.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward728.80.8232
All purpose590.91.0154
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7213
Downwind "popa"0.8663
70% up, 30% down "Ilhabela"0.7595
30% up, 70% down "Ilhabela-inverso"0.8171
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Predominantly Upwind638.80.9392
Predominantly Downwind602.70.9955
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low770.60.7786
Triple Number All Purpose Medium586.51.0230
Triple Number All Purpose High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Predominantly Upwind638.80.9392
Predominantly Downwind602.70.9955
Predominantly Upwind Low854.00.7026
Predominantly Upwind Medium657.40.9127
Predominantly Upwind High613.20.9784
Predominantly Downwind Low848.00.7076
Predominantly Downwind Medium597.61.0040
Predominantly Downwind High494.81.2127
Chicago-Mac Upwind0.9215
Chicago-Mac All Purpose0.9464
Chicago-Mac Downwind0.9768
Bayview-Mac Cove Island0.8780
Bayview-Mac Shore0.8880
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching562.21.0673
Predominantly Reaching Low699.70.8575
Predominantly Reaching Medium556.91.0774
Predominantly Reaching High489.61.2254
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1087.00.5520
5-Band Low / Medium905.20.6628
5-Band Medium709.80.8454
5-Band Medium / High635.10.9448
5-Band High609.60.9843
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance643.9
Triple Number Coastal/Long Distance Low770.6
Triple Number Coastal/Long Distance Medium586.5
Triple Number Coastal/Long Distance High523.6
Triple Number Windward/Leeward Low993.7
Triple Number Windward/Leeward Medium723.5
Triple Number Windward/Leeward High626.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7786
Triple Number Coastal/Long Distance Medium1.0230
Triple Number Coastal/Long Distance High1.1459
Triple Number Windward/Leeward Low0.6038
Triple Number Windward/Leeward Medium0.8293
Triple Number Windward/Leeward High0.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low770.6
Triple Number Coastal/Long Distance Medium586.5
Triple Number Coastal/Long Distance High523.6
Triple Number Windward/Leeward Low993.7
Triple Number Windward/Leeward Medium723.5
Triple Number Windward/Leeward High626.7
Predominantly Upwind638.8
Predominantly Downwind602.7
Predominantly Reaching576.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7786
Triple Number Coastal/Long Distance Medium1.0230
Triple Number Coastal/Long Distance High1.1459
Triple Number Windward/Leeward Low0.6038
Triple Number Windward/Leeward Medium0.8293
Triple Number Windward/Leeward High0.9574
Coastal/Long Distance0.9319
Predominantly Upwind0.9392
Predominantly Downwind0.9955
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7786
Tretall Distanseseilas Mellomvind1.0230
Tretall Distanseseilas Mye vind1.1459
Tretall Pølsebane Lite vind0.6038
Tretall Pølsebane Mellomvind0.8293
Tretall Pølsebane Mye vind0.9574
Distanseseilas ett tall (OSN 8-16kn)0.9319
Distanseseilas ett tall (APH 6-20kn)1.0154
Enkeltall Motvind0.9392
Enkeltall Medvind0.9955
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Coastal/Long Distance643.90.9319
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind638.80.9392
Predominantly Downwind602.70.9955
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore612.60.9795
Cape Doctor Coastal513.31.1689
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7786
Triple Number Coastal/Long Distance Medium1.0230
Triple Number Coastal/Long Distance High1.1459
Triple Number Windward/Leeward Low0.6038
Triple Number Windward/Leeward Medium0.8293
Triple Number Windward/Leeward High0.9574
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7786
Triple Number Coastal/Long Distance Medium1.0230
Triple Number Coastal/Long Distance High1.1459
Triple Number Windward/Leeward Low0.6038
Triple Number Windward/Leeward Medium0.8293
Triple Number Windward/Leeward High0.9574
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Predominantly Upwind638.80.9392
Predominantly Downwind602.70.9955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low770.60.7786
Triple Number Coastal/Long Distance Medium586.51.0230
Triple Number Coastal/Long Distance High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2831.2688.8606.1563.8532.1483.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low770.60.7786
Triple Number All Purpose Medium586.51.0230
Triple Number All Purpose High523.61.1459
Triple Number Windward/Leeward Low993.70.6038
Triple Number Windward/Leeward Medium723.50.8293
Triple Number Windward/Leeward High626.70.9574
Predominantly Upwind638.80.9392
Predominantly Downwind602.70.9955
Predominantly Upwind Low854.00.7026
Predominantly Upwind Medium657.40.9127
Predominantly Upwind High613.20.9784
Predominantly Downwind Low848.00.7076
Predominantly Downwind Medium597.61.0040
Predominantly Downwind High494.81.2127
Chicago-Mac Upwind0.9215
Chicago-Mac All Purpose0.9464
Chicago-Mac Downwind0.9768
Bayview-Mac Cove Island0.8780
Bayview-Mac Shore0.8880
Harvest Moon Regatta511.21.1738
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy616.40.9733
San Francisco Bay Medium717.50.8363
Predominantly Reaching562.21.0673
Predominantly Reaching Low699.70.8575
Predominantly Reaching Medium556.91.0774
Predominantly Reaching High489.61.2254
Windward/Leeward 60-40 Low997.60.6015
Windward/Leeward 60-40 Medium745.60.8047
Windward/Leeward 60-40 High664.80.9025
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1087.00.5520
5-Band Low / Medium905.20.6628
5-Band Medium709.80.8454
5-Band Medium / High635.10.9448
5-Band High609.60.9843

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 L9.458LSM09.406Acc. length10.300Sink (kg/mm) 18.81
VCGD0.133VCGM0.139RM Rated (kg·m) 115.0Limit of positive stability(°) 112.6Stability Index114.3
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

International
Certificate
2023

Boat

RAYGRASS III

ESP-7071

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.180.891.612.803.7030.9016/08/2019cadenote
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0030.060.631.212.463.765.1012.21NoNo 30.6116/08/2019olimpic
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment00512.8512.8512.855.836.0662.9220/07/2023gandara