Club
Certificate
Non Spinnaker
2023

Boat

ALBORANY

ESP-8414_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 Angles45.4°43.6°42.0°40.8°39.6°39.0°39.4°
Beat VMG3.083.864.454.925.265.455.56
52°4.815.896.677.217.557.767.92
60°5.146.206.957.447.757.968.17
75°5.366.427.167.627.938.188.56
90°5.246.347.127.627.968.238.72
110°4.605.816.757.437.888.238.87
120°4.365.556.527.267.768.128.79
135°3.834.985.956.767.397.838.48
150°3.264.285.095.886.577.147.91
Run VMG2.823.704.495.296.016.657.63
Gybe Angles143.9°144.4°167.6°169.4°170.3°171.2°174.4°

APH: 593.7

CDL: 9.757

GPH: 679.4

CertNo: 841401

BOAT
ClassDUFOUR 425 GLDesignerFELCI UMBERTOBuilderDUFOURAge date01/2007Series date01/2006Offset fileDUF425CL.OFFData fileE8414_C
HULL
Length Overall12.600 mMaximum Beam4.170 mDraft2.089 mDisplacement8,682 kgDLR6.4688IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.400m
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.9835.31Headsail Luffed46.8046.80Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib10.48Heavy Weather Jib28.28
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO. SIN SPINANKER/SIN TANGON
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  03510002C53Issued on 06/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALBORANY

ESP-8414_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 VMG1168.1933.8809.1731.8684.6660.7647.3
52°747.7611.5540.1499.5476.6463.8454.5
60°700.4580.6517.8483.9464.4452.1440.4
75°671.1560.6502.7472.2453.7440.1420.5
90°687.3568.2505.6472.2452.3437.4412.8
110°781.9620.1533.3484.3456.7437.5405.6
120°825.3648.2552.5496.1464.2443.3409.7
135°939.0722.7604.7532.2487.1459.9424.5
150°1105.7841.7707.6612.2548.2504.2455.0
Run VMG1276.7972.0801.7680.9599.2541.0472.0
Selected Courses
Windward / Leeward1222.4952.9805.4706.3641.9600.9559.7
All purpose925.4732.7629.9565.5525.1499.5470.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward745.80.8045
All purpose593.71.0106
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7453
Downwind "popa"0.7860
70% up, 30% down "Ilhabela"0.7571
30% up, 70% down "Ilhabela-inverso"0.7733
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Predominantly Upwind628.30.9549
Predominantly Downwind627.90.9556
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low829.10.7237
Triple Number All Purpose Medium590.81.0156
Triple Number All Purpose High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Predominantly Upwind628.30.9549
Predominantly Downwind627.90.9556
Predominantly Upwind Low898.70.6677
Predominantly Upwind Medium636.10.9432
Predominantly Upwind High556.11.0790
Predominantly Downwind Low947.30.6334
Predominantly Downwind Medium635.30.9445
Predominantly Downwind High493.51.2157
Chicago-Mac Upwind0.9318
Chicago-Mac All Purpose0.9298
Chicago-Mac Downwind0.9315
Bayview-Mac Cove Island0.8484
Bayview-Mac Shore0.8701
Victoria-Maui0.9952
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.1
Triple Number Coastal/Long Distance Low829.1
Triple Number Coastal/Long Distance Medium590.8
Triple Number Coastal/Long Distance High495.2
Triple Number Windward/Leeward Low1087.5
Triple Number Windward/Leeward Medium743.8
Triple Number Windward/Leeward High595.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7237
Triple Number Coastal/Long Distance Medium1.0156
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.5517
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High1.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low829.1
Triple Number Coastal/Long Distance Medium590.8
Triple Number Coastal/Long Distance High495.2
Triple Number Windward/Leeward Low1087.5
Triple Number Windward/Leeward Medium743.8
Triple Number Windward/Leeward High595.7
Predominantly Upwind628.3
Predominantly Downwind627.9
Predominantly Reaching586.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7237
Triple Number Coastal/Long Distance Medium1.0156
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.5517
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High1.0073
Coastal/Long Distance0.9174
Predominantly Upwind0.9549
Predominantly Downwind0.9556
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7237
Tretall Distanseseilas Mellomvind1.0156
Tretall Distanseseilas Mye vind1.2117
Tretall Pølsebane Lite vind0.5517
Tretall Pølsebane Mellomvind0.8067
Tretall Pølsebane Mye vind1.0073
Distanseseilas ett tall (OSN 8-16kn)0.9174
Distanseseilas ett tall (APH 6-20kn)1.0106
Enkeltall Motvind0.9549
Enkeltall Medvind0.9556
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Coastal/Long Distance654.10.9174
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind628.30.9549
Predominantly Downwind627.90.9556
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore572.01.0489
Cape Doctor Coastal479.51.2513
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7237
Triple Number Coastal/Long Distance Medium1.0156
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.5517
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High1.0073
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7237
Triple Number Coastal/Long Distance Medium1.0156
Triple Number Coastal/Long Distance High1.2117
Triple Number Windward/Leeward Low0.5517
Triple Number Windward/Leeward Medium0.8067
Triple Number Windward/Leeward High1.0073
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Predominantly Upwind628.30.9549
Predominantly Downwind627.90.9556
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low829.10.7237
Triple Number Coastal/Long Distance Medium590.81.0156
Triple Number Coastal/Long Distance High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1227.8894.2719.4607.7547.3506.6452.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low829.10.7237
Triple Number All Purpose Medium590.81.0156
Triple Number All Purpose High495.21.2117
Triple Number Windward/Leeward Low1087.50.5517
Triple Number Windward/Leeward Medium743.80.8067
Triple Number Windward/Leeward High595.71.0073
Predominantly Upwind628.30.9549
Predominantly Downwind627.90.9556
Predominantly Upwind Low898.70.6677
Predominantly Upwind Medium636.10.9432
Predominantly Upwind High556.11.0790
Predominantly Downwind Low947.30.6334
Predominantly Downwind Medium635.30.9445
Predominantly Downwind High493.51.2157
Chicago-Mac Upwind0.9318
Chicago-Mac All Purpose0.9298
Chicago-Mac Downwind0.9315
Bayview-Mac Cove Island0.8484
Bayview-Mac Shore0.8701
Harvest Moon Regatta507.01.1834
Victoria-Maui0.9952
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy585.01.0257
San Francisco Bay Medium736.40.8148
Predominantly Reaching1.0705
Predominantly Reaching Low0.8034
Predominantly Reaching Medium1.0697
Predominantly Reaching High1.2895
Windward/Leeward 60-40 Low1080.30.5554
Windward/Leeward 60-40 Medium750.30.7997
Windward/Leeward 60-40 High618.10.9707
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1201.70.4993
5-Band Low / Medium978.10.6134
5-Band Medium723.80.8289
5-Band Medium / High609.70.9840
5-Band High566.81.0586
ORC Ref  03510002C53Issued on 06/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALBORANY

ESP-8414_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 425 GLMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.600Max. Beam4.170Draft2.089Displacement8,682Wetted area33.52IMS L11.185LSM011.029Acc. length12.600Sink (kg/mm) 26.67
VCGD-0.097VCGM-0.136RM Rated (kg·m) 288.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0162
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.680IG14.473ISP15.000MDT10.135MDL10.240MDT2MDL2TLMWGO
E4.700J4.750BAS1.685FSD0.050SFJ0.150SPLWPLTPSBD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered290.0Flotation Date01/01/2010MeasurerComment
SFFP0.189FFMFF1.575LCFcl7.126SG
SAFP11.957FAMFA1.130LCFsh7.415HBI1.328
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002C53Issued on 06/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

ALBORANY

ESP-8414_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.080.731.432.673.7534.98
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment16.5314.08NoNo 46.80
ORC Ref  03510002C53Issued on 06/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org