Club Certificate2026
ShellbackNED 8817
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles47.6°45.1°43.0°41.2°40.0°39.4°39.0°39.0°39.7°
Beat VMG2.313.384.204.825.255.465.575.655.61
52°3.695.266.367.137.617.867.978.088.10
60°4.015.606.687.407.848.098.238.368.40
75°4.255.846.917.618.038.338.568.838.97
90°4.215.977.207.908.238.448.689.229.55
110°4.346.157.438.168.659.089.389.8710.32
120°4.226.027.328.088.619.139.6210.4211.09
135°3.715.366.717.678.268.769.2910.5012.31
150°3.064.505.716.787.628.158.579.4410.52
Run VMG2.653.904.955.876.617.177.738.599.44
Gybe Angles139.0°142.2°146.1°148.0°151.1°162.0°167.8°172.7°169.8°
APH ToD:520.0CDL: 10.746APH ToT: 1.1538CertNo:
BOAT
ClassDehler 42DesignerJudel/VroelijkBuilderDehlerAge date06/2013Series date08/2010Offset fileCLDeh42SD.offData fileNED8817
HULL
Length Overall12.400 mMaximum Beam3.920 mDraft2.164 mDisplacement9,100 kgDLR5.3996IMS DivisionCruiser/RacerDynamic Allowance0.240%Age Allowance0.520%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.462m
CREW
Maximum weight882 kg(default)Minimum weight750 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail52.1652.98Headsail Luffed39.4939.49Headsail FlyingSymmetric125.03125.03Asymmetric153.75153.75 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail16.04Storm Jib13.52Heavy Weather Jib36.49
SAIL LIMITS
Headsails6Spinnakers5
✱ Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment 264.8 kg·m Stability Index 122.2
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  04310004K1S Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ShellbackNED 8817
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1555.71065.3857.4747.0685.9658.8646.1637.2642.0
52°976.1684.5566.1504.8473.0458.0451.6445.4444.6
60°897.0642.3538.9486.3459.1444.9437.7430.8428.8
75°846.6616.7520.9473.2448.4432.3420.7407.8401.4
90°854.9603.3499.9455.5437.6426.6414.7390.5377.0
110°828.8585.4484.3441.0416.0396.3383.7364.6348.8
120°854.1598.3492.0445.3418.1394.4374.3345.6324.7
135°969.7671.2536.6469.5436.0410.8387.7342.7292.4
150°1175.3800.1630.1531.0472.3441.7420.0381.2342.3
Run VMG1357.2923.9727.6613.2544.7502.1465.8419.2381.3
Selected Courses
Windward / Leeward1456.4994.6792.5680.1615.3580.5556.0528.2511.6
All purpose1095.7759.3615.1540.1499.0475.4459.1436.6420.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward647.70.9264
All purpose520.01.1538
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7928
Downwind "popa"1.0008
70% up, 30% down "Ilhabela"0.8455
30% up, 70% down "Ilhabela-inverso"0.9278
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Predominantly Upwind569.41.0537
Predominantly Downwind524.01.1449
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP542.41.1062 Predom. Rc High410.01.4635 5B SF Bay L/M720.90.8323 TriNum AP Low687.20.8731 Predom. Dn Low823.70.7284 5B SF Bay Med607.20.9882 TriNum AP Med516.61.1615 Predom. Dn L/M596.41.0061 5B SF Bay M/H544.61.1017 TriNum AP High454.81.3194 Predom. Dn Med504.11.1902 5B SF Bay High516.81.1609 TriNum W/L Low938.60.6392 Predom. Dn M/H446.71.3433 5B AP Low763.80.7856 TriNum W/L Med642.90.9332 Predom. Dn High410.01.4636 5B AP L/M592.81.0122 TriNum W/L Hig551.71.0876 ChiMac Up Low745.80.8045 5B AP Med508.31.1805 Predom. Upwind597.31.0044 ChiMac Up Med662.30.9059 5B AP M/H461.41.3003 Predom. Reaching517.61.1593 ChiMac Up High566.31.0596 5B AP High437.81.3705 Predom. Downwind548.91.0930 ChiMac Off Low701.90.8548 5B W/L Low1059.50.5663 Predom. Up Low864.00.6944 ChiMac Off Med615.10.9755 5B W/L L/M756.50.7931 Predom. Up L/M635.60.9439 ChiMac Off High512.21.1714 5B W/L Med630.10.9522 Predom. Up Med548.11.0947 ChiMac AP Low720.30.8330 5B W/L M/H560.41.0706 Predom. Up M/H504.71.1888 ChiMac AP Med636.20.9431 5B W/L High530.11.1318 Predom. Up High486.51.2332 ChiMac AP High537.71.1158 W/L 60-40 Low1074.80.5582 Predom. Rc Low743.30.8072 BayMac Cove Island835.60.7181 W/L 60-40 L/M769.90.7793 Predom. Rc L/M551.01.0889 BayMac Shore829.60.7232 W/L 60-40 Med644.60.9308 Predom. Rc Med479.11.2522 Harvest Moon451.11.3301 W/L 60-40 M/H578.41.0374 Predom. Rc M/H437.51.3715 5B SF Bay Low889.60.6745 W/L 60-40 High552.01.0869      SA/DSPL Up20.87SA/DSPL Dn46.89
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance568.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating568.21.0560
FinRating, kevyt tuuli1041.30.9603
FinRating, kova tuuli440.41.1353
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0560
Triple Number Coastal/Long Distance Low0.8731
Triple Number Coastal/Long Distance Medium1.1617
Triple Number Coastal/Long Distance High1.3194
Triple Number Windward/Leeward Low0.6715
Triple Number Windward/Leeward Medium0.9332
Triple Number Windward/Leeward High1.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
For information
General Purpose Handicap (GPH)587.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Saronikos S All Purpose608.70.9856
Saronikos S Upwind697.70.8599
Saronikos S Downwind497.01.2073
Saronikos N All Purpose635.00.9449
Saronikos N Upwind731.20.8206
Saronikos N Downwind541.01.1090
Saronikos SW All Purpose614.90.9758
Saronikos SW Upwind723.70.8290
Saronikos SW Downwind500.41.1991
Saronikos NE All Purpose657.80.9122
Saronikos NE Upwind683.70.8775
Saronikos NE Downwind608.90.9854
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose542.41.1062
5-Band All Purpose Low839.90.7144
5-Band All Purpose L/M613.90.9774
5-Band All Purpose Med525.11.1426
5-Band All Purpose M/H475.41.2621
5-Band All Purpose High448.21.3388
Single Number Predominant Upwind568.71.0551
Single Number Predominant Reaching495.21.2117
Single Number Predominant Downwind524.31.1444
5-Band 50-50 Windward/Leeward Low1059.50.5663
5-Band 50-50 Windward/Leeward L/M756.50.7931
5-Band 50-50 Windward/Leeward Med630.10.9522
5-Band 50-50 Windward/Leeward M/H560.41.0706
5-Band 50-50 Windward/Leeward High530.11.1318
5-Band 60-40 Windward/Leeward Low1074.80.5582
5-Band 60-40 Windward/Leeward L/M769.90.7793
5-Band 60-40 Windward/Leeward Med644.60.9308
5-Band 60-40 Windward/Leeward M/H578.41.0374
5-Band 60-40 Windward/Leeward High552.01.0869
Triple Number 50-50 Windward/Leeward Low938.60.6392
Triple Number 50-50 Windward/Leeward Med643.10.9330
Triple Number 50-50 Windward/Leeward High551.71.0876
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward662.60.9055
Triple Number 60-40 Windward/Leeward Low952.80.6297
Triple Number 60-40 Windward/Leeward Med657.20.9129
Triple Number 60-40 Windward/Leeward High570.51.0517
Triple Number All-Purpose Low748.50.8016
Triple Number All-Purpose Med533.81.1240
Triple Number All-Purpose High467.91.2823
Triple Number Predominant Upwind Low777.20.7720
Triple Number Predominant Upwind Med559.41.0726
Triple Number Predominant Upwind High504.61.1891
Triple Number Predominant Reaching Low670.10.8954
Triple Number Predominant Reaching Med495.01.2122
Triple Number Predominant Reaching High421.71.4228
Triple Number Predominant Downwind Low732.30.8193
Triple Number Predominant Downwind Med513.41.1688
Triple Number Predominant Downwind High427.81.4026
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low687.2
Triple Number Coastal/Long Distance Medium516.5
Triple Number Coastal/Long Distance High454.8
Triple Number Windward/Leeward Low893.5
Triple Number Windward/Leeward Medium642.9
Triple Number Windward/Leeward High551.7
Predominantly Upwind569.4
Predominantly Downwind524.0
Predominantly Reaching502.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8731
Triple Number Coastal/Long Distance Medium1.1617
Triple Number Coastal/Long Distance High1.3194
Triple Number Windward/Leeward Low0.6715
Triple Number Windward/Leeward Medium0.9332
Triple Number Windward/Leeward High1.0876
Coastal/Long Distance1.0560
Predominantly Upwind1.0537
Predominantly Downwind1.1449
For information
General Purpose Handicap (GPH)587.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1538
Distanseseilas Trippeltall svak vind0.8731
Distanseseilas Trippeltall mellomvind1.1617
Distanseseilas Trippeltall sterk vind1.3194
Pølsebane Trippeltall svak vind0.6715
Pølsebane Trippeltall mellomvind0.9332
Pølsebane Trippeltall sterk vind1.0876
Motvind Singeltall1.0537
Medvind Singeltall1.1449
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Coastal/Long Distance568.21.0560
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind569.41.0537
Predominantly Downwind524.01.1449
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore516.61.1614
Cape Doctor Coastal425.61.4096
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8731
Triple Number Coastal/Long Distance Medium1.1617
Triple Number Coastal/Long Distance High1.3194
Triple Number Windward/Leeward Low0.6715
Triple Number Windward/Leeward Medium0.9332
Triple Number Windward/Leeward High1.0876
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8731
Triple Number Coastal/Long Distance Medium1.1617
Triple Number Coastal/Long Distance High1.3194
Triple Number Windward/Leeward Low0.6715
Triple Number Windward/Leeward Medium0.9332
Triple Number Windward/Leeward High1.0876
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Predominantly Upwind569.41.0537
Predominantly Downwind524.01.1449
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance568.21.0560
Triple Number Coastal/Long Distance Low687.20.8731
Triple Number Coastal/Long Distance Medium516.51.1617
Triple Number Coastal/Long Distance High454.81.3194
Triple Number Windward/Leeward Low893.50.6715
Triple Number Windward/Leeward Medium642.90.9332
Triple Number Windward/Leeward High551.71.0876
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1446.5987.6742.0610.5533.7493.9463.4416.0400.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP542.41.1062 Predom. Dn High410.01.4636 5B AP M/H461.41.3003 TriNum AP Low687.20.8731 Predom. Rc Low743.30.8072 5B AP High437.81.3705 TriNum AP Med516.61.1615 Predom. Rc L/M551.01.0889 5B SF Bay Low889.60.6745 TriNum AP High454.81.3194 Predom. Rc Med479.11.2522 5B SF Bay L/M720.90.8323 TriNum W/L Low938.60.6392 Predom. Rc M/H437.51.3715 5B SF Bay Med607.20.9882 TriNum W/L Med642.90.9332 Predom. Rc High410.01.4635 5B SF Bay M/H544.61.1017 TriNum W/L Hig551.71.0876 5B W/L Low1059.50.5663 5B SF Bay High516.81.1609 Predom. Upwind597.31.0044 5B W/L L/M756.50.7931 ChiMac Up Low745.80.8045 Predom. Reaching517.61.1593 5B W/L Med630.10.9522 ChiMac Up Med662.30.9059 Predom. Downwind548.91.0930 5B W/L M/H560.41.0706 ChiMac Up High566.31.0596 Predom. Up Low864.00.6944 5B W/L High530.11.1318 ChiMac Off Low701.90.8548 Predom. Up L/M635.60.9439 W/L 60-40 Low1074.80.5582 ChiMac Off Med615.10.9755 Predom. Up Med548.11.0947 W/L 60-40 L/M769.90.7793 ChiMac Off High512.21.1714 Predom. Up M/H504.71.1888 W/L 60-40 Med644.60.9308 ChiMac AP Low720.30.8330 Predom. Up High486.51.2332 W/L 60-40 M/H578.41.0374 ChiMac AP Med636.20.9431 Predom. Dn Low823.70.7284 W/L 60-40 High552.01.0869 ChiMac AP High537.71.1158 Predom. Dn L/M596.41.0061 5B AP Low763.80.7856 BayMac Cove Island835.60.7181 Predom. Dn Med504.11.1902 5B AP L/M592.81.0122 BayMac Shore829.60.7232 Predom. Dn M/H446.71.3433 5B AP Med508.31.1805 Harvest Moon451.11.3301      SA/DSPL Up20.87SA/DSPL Dn46.89
ORC Ref  04310004K1S Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ShellbackNED 8817
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 42Measurement26/07/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.400Maximum beam3.920Draft2.164Displacement9,100Wetted area37.12IMS L12.014LSM011.899Accomod. length12.400Sink (kg/mm) 28.27
VCGD0.039VCGM0.020 RM Rated (kg·m) 264.8Limit of positive stability(°) 116.9 Stability Index 122.2 BLR index 0.0000Default crew weight882 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.462PBW0.142PIPA0.0043
EDL2.750ST10.072ST20.172
ST30.172ST40.113ST50.335
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P16.080IG16.440ISP17.410MDT10.140MDL10.260MDT2MDL2TLTaperMWGO
E5.700J4.635BAS1.780FSDFoilSFJ0.370SPL5.049WPLTPS5.650BDMWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date26/07/2017
SFFP0.266FFM1.168FF1.191LCFcl6.934SG1.0000
SAFP11.970FAM0.992FA0.993LCFsh7.192HBI1.276
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Anchor500.50Total deductible500.50
ORC Ref  04310004K1S Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
ShellbackNED 8817
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20240.141.091.983.454.6152.16
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20240.080.641.242.443.664.9016.09NoNo 39.49
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment202416.7016.7016.709.028.84125.03
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment202418.8416.2317.5410.759.61112%153.752024 C017.5016.4016.958.876.79131%119.41
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.4 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity160 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity98 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004K1S Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org