Club
Certificate
2023

Boat

WALTER GROPIUS

ESP-7844_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 Angles43.9°41.8°40.5°39.4°38.7°38.2°38.4°
Beat VMG3.654.475.075.455.635.745.83
52°5.636.707.427.818.008.118.21
60°5.967.007.658.018.228.338.45
75°6.197.207.818.178.438.638.87
90°6.077.127.788.248.538.769.20
110°5.797.067.878.368.769.149.78
120°5.606.877.748.288.709.139.97
135°4.996.277.267.948.408.829.70
150°4.205.406.417.217.778.158.79
Run VMG3.644.675.556.256.737.178.11
Gybe Angles143.3°146.9°148.0°148.7°149.6°172.1°175.7°

APH: 522.0

CDL: 11.169

GPH: 588.8

CertNo: 784401

BOAT
ClassDUFOUR 44 QBDesignerFELCIBuilderDUFOURAge date01/2004Series date01/2002Offset fileDUF44.OFFData fileE7844_C
HULL
Length Overall13.330 mMaximum Beam4.232 mDraft2.323 mDisplacement10,642 kgDLR6.0284IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.300m
CREW
Maximum weight400 kgMinimum weight300 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.1153.10Headsail Luffed56.3256.32Headsail FlyingSymmetricAsymmetric110.07110.07 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail15.57Storm Jib13.15Heavy Weather Jib35.49
SAIL LIMITS
Headsails1  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
pesado 1 Dina IRC.
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  03510002CW0Issued on 24/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WALTER GROPIUS

ESP-7844_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 VMG985.4804.6709.6660.6639.2627.4617.9
52°639.9537.0485.4461.2449.9444.2438.7
60°604.4514.4470.7449.5438.1432.1425.8
75°581.2499.9461.0440.4426.9417.0405.8
90°592.8505.6462.6437.1421.9410.9391.1
110°621.7510.1457.2430.5410.8394.0368.1
120°642.3524.3465.0434.9413.6394.4361.1
135°721.2574.6495.5453.6428.7408.0371.1
150°856.2667.1562.0499.0463.5441.5409.6
Run VMG988.6770.3648.9576.2535.2502.4444.1
Selected Courses
Windward / Leeward987.0787.4679.2618.4587.2564.9531.0
All purpose754.8614.5541.0501.1479.2463.6441.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward649.90.9232
All purpose522.01.1495
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8326
Downwind "popa"0.9405
70% up, 30% down "Ilhabela"0.8622
30% up, 70% down "Ilhabela-inverso"0.9053
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Predominantly Upwind559.51.0723
Predominantly Downwind539.31.1125
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low684.70.8763
Triple Number All Purpose Medium518.41.1574
Triple Number All Purpose High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Predominantly Upwind559.51.0723
Predominantly Downwind539.31.1125
Predominantly Upwind Low755.60.7941
Predominantly Upwind Medium572.91.0473
Predominantly Upwind High526.51.1397
Predominantly Downwind Low759.20.7903
Predominantly Downwind Medium539.41.1124
Predominantly Downwind High451.31.3294
Chicago-Mac Upwind1.0518
Chicago-Mac All Purpose1.0694
Chicago-Mac Downwind1.0918
Bayview-Mac Cove Island0.9908
Bayview-Mac Shore1.0056
Victoria-Maui1.1590
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance570.3
Triple Number Coastal/Long Distance Low684.7
Triple Number Coastal/Long Distance Medium518.4
Triple Number Coastal/Long Distance High459.0
Triple Number Windward/Leeward Low887.2
Triple Number Windward/Leeward Medium645.0
Triple Number Windward/Leeward High557.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8763
Triple Number Coastal/Long Distance Medium1.1574
Triple Number Coastal/Long Distance High1.3072
Triple Number Windward/Leeward Low0.6763
Triple Number Windward/Leeward Medium0.9303
Triple Number Windward/Leeward High1.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low684.7
Triple Number Coastal/Long Distance Medium518.4
Triple Number Coastal/Long Distance High459.0
Triple Number Windward/Leeward Low887.2
Triple Number Windward/Leeward Medium645.0
Triple Number Windward/Leeward High557.8
Predominantly Upwind559.5
Predominantly Downwind539.3
Predominantly Reaching511.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8763
Triple Number Coastal/Long Distance Medium1.1574
Triple Number Coastal/Long Distance High1.3072
Triple Number Windward/Leeward Low0.6763
Triple Number Windward/Leeward Medium0.9303
Triple Number Windward/Leeward High1.0757
Coastal/Long Distance1.0521
Predominantly Upwind1.0723
Predominantly Downwind1.1125
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8763
Tretall Distanseseilas Mellomvind1.1574
Tretall Distanseseilas Mye vind1.3072
Tretall Pølsebane Lite vind0.6763
Tretall Pølsebane Mellomvind0.9303
Tretall Pølsebane Mye vind1.0757
Distanseseilas ett tall (OSN 8-16kn)1.0521
Distanseseilas ett tall (APH 6-20kn)1.1495
Enkeltall Motvind1.0723
Enkeltall Medvind1.1125
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Coastal/Long Distance570.31.0521
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind559.51.0723
Predominantly Downwind539.31.1125
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore541.21.1087
Cape Doctor Coastal447.81.3400
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8763
Triple Number Coastal/Long Distance Medium1.1574
Triple Number Coastal/Long Distance High1.3072
Triple Number Windward/Leeward Low0.6763
Triple Number Windward/Leeward Medium0.9303
Triple Number Windward/Leeward High1.0757
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8763
Triple Number Coastal/Long Distance Medium1.1574
Triple Number Coastal/Long Distance High1.3072
Triple Number Windward/Leeward Low0.6763
Triple Number Windward/Leeward Medium0.9303
Triple Number Windward/Leeward High1.0757
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Predominantly Upwind559.51.0723
Predominantly Downwind539.31.1125
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance570.31.0521
Triple Number Coastal/Long Distance Low684.70.8763
Triple Number Coastal/Long Distance Medium518.41.1574
Triple Number Coastal/Long Distance High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance987.2740.5611.3535.8498.0468.9422.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low684.70.8763
Triple Number All Purpose Medium518.41.1574
Triple Number All Purpose High459.01.3072
Triple Number Windward/Leeward Low887.20.6763
Triple Number Windward/Leeward Medium645.00.9303
Triple Number Windward/Leeward High557.81.0757
Predominantly Upwind559.51.0723
Predominantly Downwind539.31.1125
Predominantly Upwind Low755.60.7941
Predominantly Upwind Medium572.91.0473
Predominantly Upwind High526.51.1397
Predominantly Downwind Low759.20.7903
Predominantly Downwind Medium539.41.1124
Predominantly Downwind High451.31.3294
Chicago-Mac Upwind1.0518
Chicago-Mac All Purpose1.0694
Chicago-Mac Downwind1.0918
Bayview-Mac Cove Island0.9908
Bayview-Mac Shore1.0056
Harvest Moon Regatta453.51.3229
Victoria-Maui1.1590
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy542.21.1065
San Francisco Bay Medium635.20.9446
Predominantly Reaching1.2104
Predominantly Reaching Low0.9685
Predominantly Reaching Medium1.2204
Predominantly Reaching High1.3979
Windward/Leeward 60-40 Low888.80.6751
Windward/Leeward 60-40 Medium658.10.9117
Windward/Leeward 60-40 High581.31.0323
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low971.70.6175
5-Band Low / Medium807.30.7432
5-Band Medium633.00.9479
5-Band Medium / High567.41.0574
5-Band High536.91.1176
ORC Ref  03510002CW0Issued on 24/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WALTER GROPIUS

ESP-7844_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 44 QBMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA13.330Max. Beam4.232Draft2.323Displacement10,642Wetted area37.93IMS L12.118LSM012.085Acc. length13.330Sink (kg/mm) 29.60
VCGD0.039VCGM-0.046RM Rated (kg·m) 318.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0026
EDL2.000ST10.047ST20.169
ST30.169ST40.090ST50.200
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.690IG16.150ISP16.400MDT10.130MDL10.245MDT20.130MDL20.245TLMW0.245GO0.265
E5.670J5.210BAS1.708FSD0.049SFJ0.140SPLWPLTPS5.350BD0.191MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered320.0Flotation Date01/01/2010MeasurerComment
SFFP0.200FFMFF1.448LCFcl7.391SG
SAFP12.650FAMFA1.144LCFsh7.675HBI1.252
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002CW0Issued on 24/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WALTER GROPIUS

ESP-7844_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.201.102.003.5352.11RI
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.061.663.427.2015.87NoNo 56.32RI
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00117.0115.2216.127.909.3884%110.07RI
ORC Ref  03510002CW0Issued on 24/02/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org