Club Certificate2026
WALTER GROPIUSESP-7844_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles47.5°44.0°42.0°40.7°39.2°38.3°37.8°38.1°38.7°
Beat VMG2.513.614.445.065.475.695.805.905.88
52°3.995.586.677.407.818.048.158.258.28
60°4.355.926.977.638.018.248.378.498.55
75°4.636.177.197.808.178.448.658.899.02
90°4.496.057.117.838.298.608.789.209.50
110°4.155.877.157.958.438.839.219.8810.34
120°4.005.696.967.818.328.749.1610.0410.97
135°3.465.066.327.317.978.428.839.7010.79
150°2.864.245.426.447.277.878.288.989.76
Run VMG2.473.674.695.576.306.857.328.108.74
Gybe Angles139.0°142.2°146.5°148.8°150.3°153.5°159.0°175.7°175.9°
APH ToD:519.6CDL: 11.248APH ToT: 1.1547CertNo:784402
BOAT
ClassDUFOUR 44 QBDesignerFELCIBuilderDUFOURAge date01/2004Series date01/2002Offset fileDUFOUR-44.offData fileE7844_C
HULL
Length Overall13.330 mMaximum Beam4.226 mDraft2.325 mDisplacement10,642 kgDLR6.0226IMS DivisionCruiser/RacerDynamic Allowance0.300%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.300m
CREW
Maximum weight600 kg(declared)Minimum weight470 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.1153.10Headsail Luffed56.3256.32Headsail FlyingSymmetricAsymmetric110.07110.07 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail15.57Storm Jib13.15Heavy Weather Jib35.49
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting Moment 318.2 kg·m Stability Index 124.4
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  03510004PU4 Issued on 14/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WALTER GROPIUSESP-7844_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1431.6996.2811.0712.0657.6632.6620.2610.6612.7
52°901.3644.9539.8486.5460.7447.8441.8436.4434.9
60°828.1608.0516.3471.6449.4437.1430.2423.9421.1
75°778.1583.5500.9461.6440.6426.7416.4405.1399.0
90°801.0594.9506.5459.8434.5418.8410.2391.5378.8
110°868.1613.5503.7452.9427.1407.6390.7364.5348.3
120°900.9632.6517.1460.8432.5411.7393.0358.7328.1
135°1039.2711.7569.6492.6451.9427.7407.9371.0333.7
150°1260.0849.8664.1559.4494.9457.4434.7400.7369.0
Run VMG1454.9981.3766.9645.9571.3525.2492.0444.5411.8
Selected Courses
Windward / Leeward1443.3988.7788.9679.0614.4578.9556.1527.6512.2
All purpose1078.8754.7614.3540.0498.7475.1459.3437.6423.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward646.20.9285
All purpose519.61.1547
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8333
Downwind "popa"0.9487
70% up, 30% down "Ilhabela"0.8649
30% up, 70% down "Ilhabela-inverso"0.9109
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Predominantly Upwind558.41.0746
Predominantly Downwind536.61.1181
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP542.61.1059 Predom. Rc High416.51.4407 5B SF Bay L/M715.60.8384 TriNum AP Low684.50.8766 Predom. Dn Low845.90.7093 5B SF Bay Med604.00.9934 TriNum AP Med516.21.1622 Predom. Dn L/M612.30.9799 5B SF Bay M/H542.31.1063 TriNum AP High455.11.3183 Predom. Dn Med515.31.1643 5B SF Bay High515.31.1644 TriNum W/L Low933.30.6429 Predom. Dn M/H458.01.3099 5B AP Low764.80.7845 TriNum W/L Med641.60.9352 Predom. Dn High425.21.4112 5B AP L/M591.71.0140 TriNum W/L Hig551.11.0887 ChiMac Up Low722.00.8310 5B AP Med508.01.1812 Predom. Upwind583.41.0284 ChiMac Up Med644.20.9313 5B AP M/H461.61.2998 Predom. Reaching519.41.1553 ChiMac Up High554.91.0813 5B AP High438.81.3672 Predom. Downwind562.81.0660 ChiMac Off Low720.40.8328 5B W/L Low1052.40.5701 Predom. Up Low831.60.7215 ChiMac Off Med631.00.9508 5B W/L L/M753.80.7959 Predom. Up L/M620.30.9672 ChiMac Off High526.21.1403 5B W/L Med628.90.9540 Predom. Up Med537.71.1159 ChiMac AP Low717.20.8366 5B W/L M/H560.01.0713 Predom. Up M/H496.61.2081 ChiMac AP Med634.80.9452 5B W/L High529.91.1324 Predom. Up High480.11.2498 ChiMac AP High538.81.1136 W/L 60-40 Low1053.70.5694 Predom. Rc Low740.80.8100 BayMac Cove Island830.50.7224 W/L 60-40 L/M759.20.7903 Predom. Rc L/M555.11.0809 BayMac Shore822.90.7291 W/L 60-40 Med637.60.9410 Predom. Rc Med481.01.2473 Harvest Moon457.11.3126 W/L 60-40 M/H572.81.0475 Predom. Rc M/H439.91.3641 5B SF Bay Low879.40.6823 W/L 60-40 High546.41.0981      SA/DSPL Up22.24SA/DSPL Dn33.26
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance567.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating568.01.0564
FinRating, kevyt tuuli1036.40.9649
FinRating, kova tuuli441.51.1324
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0564
Triple Number Coastal/Long Distance Low0.8766
Triple Number Coastal/Long Distance Medium1.1624
Triple Number Coastal/Long Distance High1.3183
Triple Number Windward/Leeward Low0.6750
Triple Number Windward/Leeward Medium0.9352
Triple Number Windward/Leeward High1.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
For information
General Purpose Handicap (GPH)586.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Saronikos S All Purpose599.41.0011
Saronikos S Upwind665.50.9016
Saronikos S Downwind522.81.1476
Saronikos N All Purpose625.40.9593
Saronikos N Upwind695.60.8626
Saronikos N Downwind567.11.0580
Saronikos SW All Purpose605.70.9905
Saronikos SW Upwind689.20.8706
Saronikos SW Downwind525.41.1421
Saronikos NE All Purpose652.30.9198
Saronikos NE Upwind652.20.9200
Saronikos NE Downwind640.00.9375
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose542.61.1059
5-Band All Purpose Low834.00.7194
5-Band All Purpose L/M614.20.9769
5-Band All Purpose Med525.31.1422
5-Band All Purpose M/H476.61.2590
5-Band All Purpose High452.01.3273
Single Number Predominant Upwind557.31.0767
Single Number Predominant Reaching498.11.2045
Single Number Predominant Downwind537.11.1171
5-Band 50-50 Windward/Leeward Low1052.40.5701
5-Band 50-50 Windward/Leeward L/M753.80.7959
5-Band 50-50 Windward/Leeward Med628.90.9540
5-Band 50-50 Windward/Leeward M/H560.01.0713
5-Band 50-50 Windward/Leeward High529.91.1324
5-Band 60-40 Windward/Leeward Low1053.70.5694
5-Band 60-40 Windward/Leeward L/M759.20.7903
5-Band 60-40 Windward/Leeward Med637.60.9410
5-Band 60-40 Windward/Leeward M/H572.81.0475
5-Band 60-40 Windward/Leeward High546.41.0981
Triple Number 50-50 Windward/Leeward Low933.30.6429
Triple Number 50-50 Windward/Leeward Med641.70.9350
Triple Number 50-50 Windward/Leeward High551.11.0887
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward654.90.9162
Triple Number 60-40 Windward/Leeward Low935.90.6411
Triple Number 60-40 Windward/Leeward Med649.80.9233
Triple Number 60-40 Windward/Leeward High564.81.0623
Triple Number All-Purpose Low745.70.8046
Triple Number All-Purpose Med534.11.1234
Triple Number All-Purpose High469.61.2778
Triple Number Predominant Upwind Low753.60.7962
Triple Number Predominant Upwind Med548.51.0940
Triple Number Predominant Upwind High494.61.2130
Triple Number Predominant Reaching Low670.20.8952
Triple Number Predominant Reaching Med496.21.2091
Triple Number Predominant Reaching High425.11.4113
Triple Number Predominant Downwind Low750.90.7991
Triple Number Predominant Downwind Med527.01.1385
Triple Number Predominant Downwind High442.41.3563
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low684.5
Triple Number Coastal/Long Distance Medium516.2
Triple Number Coastal/Long Distance High455.1
Triple Number Windward/Leeward Low888.9
Triple Number Windward/Leeward Medium641.6
Triple Number Windward/Leeward High551.1
Predominantly Upwind558.4
Predominantly Downwind536.6
Predominantly Reaching509.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8766
Triple Number Coastal/Long Distance Medium1.1624
Triple Number Coastal/Long Distance High1.3183
Triple Number Windward/Leeward Low0.6750
Triple Number Windward/Leeward Medium0.9352
Triple Number Windward/Leeward High1.0887
Coastal/Long Distance1.0564
Predominantly Upwind1.0746
Predominantly Downwind1.1181
For information
General Purpose Handicap (GPH)586.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1547
Distanseseilas Trippeltall svak vind0.8766
Distanseseilas Trippeltall mellomvind1.1624
Distanseseilas Trippeltall sterk vind1.3183
Pølsebane Trippeltall svak vind0.6750
Pølsebane Trippeltall mellomvind0.9352
Pølsebane Trippeltall sterk vind1.0887
Motvind Singeltall1.0746
Medvind Singeltall1.1181
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Coastal/Long Distance567.91.0564
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind558.41.0746
Predominantly Downwind536.61.1181
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore516.81.1609
Cape Doctor Coastal427.41.4039
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8766
Triple Number Coastal/Long Distance Medium1.1624
Triple Number Coastal/Long Distance High1.3183
Triple Number Windward/Leeward Low0.6750
Triple Number Windward/Leeward Medium0.9352
Triple Number Windward/Leeward High1.0887
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8766
Triple Number Coastal/Long Distance Medium1.1624
Triple Number Coastal/Long Distance High1.3183
Triple Number Windward/Leeward Low0.6750
Triple Number Windward/Leeward Medium0.9352
Triple Number Windward/Leeward High1.0887
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Predominantly Upwind558.41.0746
Predominantly Downwind536.61.1181
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance567.91.0564
Triple Number Coastal/Long Distance Low684.50.8766
Triple Number Coastal/Long Distance Medium516.21.1624
Triple Number Coastal/Long Distance High455.11.3183
Triple Number Windward/Leeward Low888.90.6750
Triple Number Windward/Leeward Medium641.60.9352
Triple Number Windward/Leeward High551.11.0887
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1444.4988.0741.3610.5532.9493.3464.6419.5402.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP542.61.1059 Predom. Dn High425.21.4112 5B AP M/H461.61.2998 TriNum AP Low684.50.8766 Predom. Rc Low740.80.8100 5B AP High438.81.3672 TriNum AP Med516.21.1622 Predom. Rc L/M555.11.0809 5B SF Bay Low879.40.6823 TriNum AP High455.11.3183 Predom. Rc Med481.01.2473 5B SF Bay L/M715.60.8384 TriNum W/L Low933.30.6429 Predom. Rc M/H439.91.3641 5B SF Bay Med604.00.9934 TriNum W/L Med641.60.9352 Predom. Rc High416.51.4407 5B SF Bay M/H542.31.1063 TriNum W/L Hig551.11.0887 5B W/L Low1052.40.5701 5B SF Bay High515.31.1644 Predom. Upwind583.41.0284 5B W/L L/M753.80.7959 ChiMac Up Low722.00.8310 Predom. Reaching519.41.1553 5B W/L Med628.90.9540 ChiMac Up Med644.20.9313 Predom. Downwind562.81.0660 5B W/L M/H560.01.0713 ChiMac Up High554.91.0813 Predom. Up Low831.60.7215 5B W/L High529.91.1324 ChiMac Off Low720.40.8328 Predom. Up L/M620.30.9672 W/L 60-40 Low1053.70.5694 ChiMac Off Med631.00.9508 Predom. Up Med537.71.1159 W/L 60-40 L/M759.20.7903 ChiMac Off High526.21.1403 Predom. Up M/H496.61.2081 W/L 60-40 Med637.60.9410 ChiMac AP Low717.20.8366 Predom. Up High480.11.2498 W/L 60-40 M/H572.81.0475 ChiMac AP Med634.80.9452 Predom. Dn Low845.90.7093 W/L 60-40 High546.41.0981 ChiMac AP High538.81.1136 Predom. Dn L/M612.30.9799 5B AP Low764.80.7845 BayMac Cove Island830.50.7224 Predom. Dn Med515.31.1643 5B AP L/M591.71.0140 BayMac Shore822.90.7291 Predom. Dn M/H458.01.3099 5B AP Med508.01.1812 Harvest Moon457.11.3126      SA/DSPL Up22.24SA/DSPL Dn33.26
ORC Ref  03510004PU4 Issued on 14/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WALTER GROPIUSESP-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
Length overall13.330Maximum beam4.226Draft2.325Displacement10,642Wetted area37.83IMS L12.181LSM012.088Accomod. length13.330Sink (kg/mm) 29.59
VCGD0.038VCGM-0.047 RM Rated (kg·m) 318.2Limit of positive stability(°) 119.3 Stability Index 124.4 BLR index 0.0000Default crew weight902 Declared crew weight 600
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0026
EDL2.000ST10.047ST20.169
ST30.169ST40.090ST50.200
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P15.690IG16.150ISP16.400MDT10.130MDL10.245MDT20.130MDL20.245TLMW0.245GO0.265
E5.670J5.210BAS1.708FSD0.049SFJ0.140SPLWPLTPS5.350BD0.191MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered320.0Flotation Date01/01/2010
SFFP0.200FFM1.440FF1.446LCFcl7.387SG1.0260
SAFP12.650FAM1.140FA1.145LCFsh7.672HBI1.252
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510004PU4 Issued on 14/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
WALTER GROPIUSESP-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
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length13.3 mTable area0.66 m²Headroom1.86 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity219 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity116 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03510004PU4 Issued on 14/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org