Club Certificate2026
GABYBLANCAESP-10876_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 Angles46.8°44.2°42.2°40.5°38.9°38.1°38.2°38.6°40.1°
Beat VMG2.303.284.004.534.905.085.165.185.08
52°3.635.055.996.606.957.147.237.297.27
60°3.935.356.266.807.127.317.437.517.53
75°4.165.556.456.957.267.507.687.897.99
90°4.045.446.477.097.467.727.888.198.46
110°3.895.456.567.187.587.958.308.939.31
120°3.755.286.397.067.487.878.269.089.99
135°3.264.715.846.687.197.577.958.789.83
150°2.693.975.065.976.677.137.468.108.83
Run VMG2.333.444.385.175.786.266.677.337.90
Gybe Angles139.5°143.8°147.6°149.2°151.6°157.0°162.1°176.6°176.3°
APH ToD:575.6CDL: 8.815APH ToT: 1.0424CertNo:1087601
BOAT
ClassDUFOUR 34DesignerFelci YachtsBuilderDUFOURAge date04/2010Series date07/2002Offset fileDUF34PERF.offData fileE10876_C
HULL
Length Overall10.300 mMaximum Beam3.482 mDraft1.922 mDisplacement5,148 kgDLR6.7086IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight540 kg(declared)Minimum weight410 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.7432.28Headsail Luffed32.4332.43Headsail FlyingSymmetricAsymmetric66.9166.91 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail9.69Storm Jib8.95Heavy Weather Jib24.14
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 128.8 kg·m Stability Index 123.1
COMMENTS
DATOS RI
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  03510004KPK Issued on 09/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GABYBLANCAESP-10876_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 VMG1568.61098.5900.3794.3734.9708.6698.2695.2708.6
52°991.3712.9600.6545.3517.7504.0497.9494.0494.9
60°915.8673.3575.0529.2505.6492.2484.8479.4478.3
75°865.8648.7558.5517.7495.6480.2468.8456.3450.8
90°891.1661.9556.2507.5482.7466.3456.7439.4425.5
110°925.4660.9548.8501.6475.2453.1433.5403.2386.6
120°960.2682.3563.4509.7481.2457.7435.9396.3360.2
135°1105.4764.3616.4539.1500.5475.4452.7409.8366.1
150°1337.5906.7711.6603.3539.9505.2482.7444.2407.6
Run VMG1544.41046.9821.7696.6622.4575.0539.9490.9455.8
Selected Courses
Windward / Leeward1556.51072.7861.0745.5678.6641.8619.0593.0582.2
All purpose1168.7822.5673.1596.4554.0529.1512.8491.1477.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward712.30.8423
All purpose575.61.0424
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7460
Downwind "popa"0.8762
70% up, 30% down "Ilhabela"0.7808
30% up, 70% down "Ilhabela-inverso"0.8326
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Predominantly Upwind620.60.9667
Predominantly Downwind589.31.0181
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP600.60.9991 Predom. Rc High466.31.2868 5B SF Bay L/M784.70.7646 TriNum AP Low747.80.8023 Predom. Dn Low913.30.6569 5B SF Bay Med668.00.8982 TriNum AP Med571.91.0491 Predom. Dn L/M667.30.8991 5B SF Bay M/H605.10.9915 TriNum AP High508.81.1794 Predom. Dn Med567.61.0571 5B SF Bay High579.91.0347 TriNum W/L Low1014.30.5916 Predom. Dn M/H508.21.1806 5B AP Low831.80.7213 TriNum W/L Med706.90.8488 Predom. Dn High473.41.2674 5B AP L/M650.50.9224 TriNum W/L Hig614.90.9757 ChiMac Up Low795.50.7543 5B AP Med563.41.0650 Predom. Upwind648.40.9253 ChiMac Up Med712.90.8417 5B AP M/H515.41.1642 Predom. Reaching574.21.0450 ChiMac Up High618.50.9701 5B AP High492.51.2183 Predom. Downwind617.20.9721 ChiMac Off Low781.60.7677 5B W/L Low1140.70.5260 Predom. Up Low912.30.6577 ChiMac Off Med688.20.8719 5B W/L L/M824.50.7277 Predom. Up L/M686.10.8745 ChiMac Off High578.41.0373 5B W/L Med693.80.8647 Predom. Up Med599.01.0017 ChiMac AP Low784.50.7648 5B W/L M/H623.50.9623 Predom. Up M/H556.81.0775 ChiMac AP Med697.60.8601 5B W/L High595.71.0073 Predom. Up High542.11.1067 ChiMac AP High596.51.0058 W/L 60-40 Low1145.90.5236 Predom. Rc Low809.10.7416 BayMac Cove Island905.60.6626 W/L 60-40 L/M833.20.7201 Predom. Rc L/M610.20.9833 BayMac Shore897.90.6682 W/L 60-40 Med705.30.8507 Predom. Rc Med533.31.1250 Harvest Moon506.71.1841 W/L 60-40 M/H639.30.9385 Predom. Rc M/H490.61.2231 5B SF Bay Low957.80.6264 W/L 60-40 High616.10.9738      SA/DSPL Up21.41SA/DSPL Dn32.91
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance627.5
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating627.50.9562
FinRating, kevyt tuuli1122.80.8906
FinRating, kova tuuli495.61.0089
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9562
Triple Number Coastal/Long Distance Low0.8023
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6206
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High0.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
For information
General Purpose Handicap (GPH)647.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Saronikos S All Purpose663.50.9042
Saronikos S Upwind740.40.8104
Saronikos S Downwind570.71.0514
Saronikos N All Purpose691.90.8672
Saronikos N Upwind773.80.7753
Saronikos N Downwind616.20.9737
Saronikos SW All Purpose668.90.8970
Saronikos SW Upwind764.60.7847
Saronikos SW Downwind572.81.0475
Saronikos NE All Purpose717.70.8360
Saronikos NE Upwind725.90.8265
Saronikos NE Downwind691.10.8682
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose600.60.9991
5-Band All Purpose Low908.30.6606
5-Band All Purpose L/M674.40.8897
5-Band All Purpose Med581.91.0312
5-Band All Purpose M/H531.61.1287
5-Band All Purpose High507.21.1831
Single Number Predominant Upwind619.60.9684
Single Number Predominant Reaching550.81.0894
Single Number Predominant Downwind589.81.0173
5-Band 50-50 Windward/Leeward Low1140.70.5260
5-Band 50-50 Windward/Leeward L/M824.50.7277
5-Band 50-50 Windward/Leeward Med693.80.8647
5-Band 50-50 Windward/Leeward M/H623.50.9623
5-Band 50-50 Windward/Leeward High595.71.0073
5-Band 60-40 Windward/Leeward Low1145.90.5236
5-Band 60-40 Windward/Leeward L/M833.20.7201
5-Band 60-40 Windward/Leeward Med705.30.8507
5-Band 60-40 Windward/Leeward M/H639.30.9385
5-Band 60-40 Windward/Leeward High616.10.9738
Triple Number 50-50 Windward/Leeward Low1014.30.5916
Triple Number 50-50 Windward/Leeward Med707.00.8487
Triple Number 50-50 Windward/Leeward High615.00.9757
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward724.00.8288
Triple Number 60-40 Windward/Leeward Low1020.60.5879
Triple Number 60-40 Windward/Leeward Med718.00.8357
Triple Number 60-40 Windward/Leeward High631.90.9495
Triple Number All-Purpose Low814.00.7371
Triple Number All-Purpose Med590.91.0155
Triple Number All-Purpose High524.61.1438
Triple Number Predominant Upwind Low828.00.7246
Triple Number Predominant Upwind Med610.20.9833
Triple Number Predominant Upwind High556.21.0787
Triple Number Predominant Reaching Low733.30.8182
Triple Number Predominant Reaching Med549.61.0917
Triple Number Predominant Reaching High474.81.2637
Triple Number Predominant Downwind Low813.20.7378
Triple Number Predominant Downwind Med578.81.0367
Triple Number Predominant Downwind High490.71.2227
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low747.8
Triple Number Coastal/Long Distance Medium571.8
Triple Number Coastal/Long Distance High508.7
Triple Number Windward/Leeward Low966.8
Triple Number Windward/Leeward Medium706.9
Triple Number Windward/Leeward High614.9
Predominantly Upwind620.6
Predominantly Downwind589.3
Predominantly Reaching561.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8023
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6206
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High0.9757
Coastal/Long Distance0.9562
Predominantly Upwind0.9667
Predominantly Downwind1.0181
For information
General Purpose Handicap (GPH)647.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0424
Distanseseilas Trippeltall svak vind0.8023
Distanseseilas Trippeltall mellomvind1.0493
Distanseseilas Trippeltall sterk vind1.1794
Pølsebane Trippeltall svak vind0.6206
Pølsebane Trippeltall mellomvind0.8488
Pølsebane Trippeltall sterk vind0.9757
Motvind Singeltall0.9667
Medvind Singeltall1.0181
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Coastal/Long Distance627.50.9562
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind620.60.9667
Predominantly Downwind589.31.0181
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore585.41.0249
Cape Doctor Coastal481.51.2460
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8023
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6206
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High0.9757
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8023
Triple Number Coastal/Long Distance Medium1.0493
Triple Number Coastal/Long Distance High1.1794
Triple Number Windward/Leeward Low0.6206
Triple Number Windward/Leeward Medium0.8488
Triple Number Windward/Leeward High0.9757
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Predominantly Upwind620.60.9667
Predominantly Downwind589.31.0181
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance627.50.9562
Triple Number Coastal/Long Distance Low747.80.8023
Triple Number Coastal/Long Distance Medium571.81.0493
Triple Number Coastal/Long Distance High508.71.1794
Triple Number Windward/Leeward Low966.80.6206
Triple Number Windward/Leeward Medium706.90.8488
Triple Number Windward/Leeward High614.90.9757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1555.31070.1809.1671.9591.1549.3518.7469.8451.9
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP600.60.9991 Predom. Dn High473.41.2674 5B AP M/H515.41.1642 TriNum AP Low747.80.8023 Predom. Rc Low809.10.7416 5B AP High492.51.2183 TriNum AP Med571.91.0491 Predom. Rc L/M610.20.9833 5B SF Bay Low957.80.6264 TriNum AP High508.81.1794 Predom. Rc Med533.31.1250 5B SF Bay L/M784.70.7646 TriNum W/L Low1014.30.5916 Predom. Rc M/H490.61.2231 5B SF Bay Med668.00.8982 TriNum W/L Med706.90.8488 Predom. Rc High466.31.2868 5B SF Bay M/H605.10.9915 TriNum W/L Hig614.90.9757 5B W/L Low1140.70.5260 5B SF Bay High579.91.0347 Predom. Upwind648.40.9253 5B W/L L/M824.50.7277 ChiMac Up Low795.50.7543 Predom. Reaching574.21.0450 5B W/L Med693.80.8647 ChiMac Up Med712.90.8417 Predom. Downwind617.20.9721 5B W/L M/H623.50.9623 ChiMac Up High618.50.9701 Predom. Up Low912.30.6577 5B W/L High595.71.0073 ChiMac Off Low781.60.7677 Predom. Up L/M686.10.8745 W/L 60-40 Low1145.90.5236 ChiMac Off Med688.20.8719 Predom. Up Med599.01.0017 W/L 60-40 L/M833.20.7201 ChiMac Off High578.41.0373 Predom. Up M/H556.81.0775 W/L 60-40 Med705.30.8507 ChiMac AP Low784.50.7648 Predom. Up High542.11.1067 W/L 60-40 M/H639.30.9385 ChiMac AP Med697.60.8601 Predom. Dn Low913.30.6569 W/L 60-40 High616.10.9738 ChiMac AP High596.51.0058 Predom. Dn L/M667.30.8991 5B AP Low831.80.7213 BayMac Cove Island905.60.6626 Predom. Dn Med567.61.0571 5B AP L/M650.50.9224 BayMac Shore897.90.6682 Predom. Dn M/H508.21.1806 5B AP Med563.41.0650 Harvest Moon506.71.1841      SA/DSPL Up21.41SA/DSPL Dn32.91
ORC Ref  03510004KPK Issued on 09/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GABYBLANCAESP-10876_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDUFOUR 34Measurement26/01/2016HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.300Maximum beam3.482Draft1.922Displacement5,148Wetted area23.47IMS L9.372LSM09.154Accomod. length10.300Sink (kg/mm) 18.20
VCGD-0.106VCGM-0.070 RM Rated (kg·m) 128.8Limit of positive stability(°) 122.9 Stability Index 123.1 BLR index 0.0000Default crew weight607 Declared crew weight 540
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0031
EDL2.087ST10.046ST2
ST3ST40.098ST50.285
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P12.300IG13.372ISP13.400MDT10.130MDL10.180MDT20.130MDL20.180TLMWGO
E4.500J3.750BAS1.660FSD0.040SFJ0.145SPLWPLTPS4.300BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered130.0Flotation Date01/01/2010
SFFP0.390FFMFF1.315LCFcl5.748SG
SAFP9.636FAMFA1.048LCFsh5.997HBI1.135
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510004KPK Issued on 09/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
GABYBLANCAESP-10876_C
RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.160.841.552.723.7331.74RI
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.641.272.583.955.2712.40NoNo 32.43RI
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment112.9911.8012.406.496.43101%66.91RI
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.3 mTable area0.44 m²Headroom1.72 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity86 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity56 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03510004KPK Issued on 09/04/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org