Double HandedClub 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 Angles47.4°44.5°42.4°41.0°40.4°40.1°40.1°40.5°42.0°
Beat VMG2.363.434.254.815.105.245.315.345.20
52°3.755.316.407.127.507.667.757.837.78
60°4.065.646.717.417.787.958.048.148.13
75°4.315.886.947.638.038.288.438.618.68
90°4.235.977.157.758.068.398.679.099.32
110°4.386.187.448.158.598.889.149.609.97
120°4.256.067.358.118.639.129.5210.1110.67
135°3.765.426.777.728.318.839.3710.6712.13
150°3.104.555.776.847.688.218.659.5810.82
Run VMG2.683.945.005.926.667.217.768.649.57
Gybe Angles139.0°142.2°146.0°148.0°151.2°161.9°167.3°170.0°165.1°
APH ToD:523.8CDL: 10.403APH ToT: 1.1454CertNo:
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 weight170 kg(default)Minimum weight120 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 126.1
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  04310004JQJ Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 VMG1527.41048.2846.1748.8705.4687.4678.3674.1691.7
52°961.0678.4562.2505.4480.2470.0464.4459.7462.7
60°886.3638.9536.7486.0462.7452.6447.5442.4443.0
75°835.9612.5518.6471.8448.4435.0426.9417.9414.5
90°850.1603.0503.3464.5446.5429.1415.1396.1386.2
110°822.1582.6483.8441.9418.9405.2393.7375.2361.0
120°846.3593.7489.7444.1417.3394.7378.2356.3337.4
135°958.0664.1531.7466.2433.2407.6384.0337.5296.9
150°1161.2791.8623.6526.5469.0438.7416.2375.6332.7
Run VMG1340.9914.3720.1608.0540.8499.5463.9416.5376.3
Selected Courses
Windward / Leeward1434.1981.2783.1678.4623.1593.4571.1545.3534.0
All purpose1081.1751.4610.3540.0504.2483.5468.5448.2436.6
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward653.10.9188
All purpose523.81.1454
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7795
Downwind "popa"1.0089
70% up, 30% down "Ilhabela"0.8365
30% up, 70% down "Ilhabela-inverso"0.9270
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Predominantly Upwind575.31.0429
Predominantly Downwind523.41.1464
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP546.51.0979 Predom. Rc High416.51.4404 5B SF Bay L/M716.80.8371 TriNum AP Low680.80.8813 Predom. Dn Low815.30.7360 5B SF Bay Med613.70.9777 TriNum AP Med519.91.1541 Predom. Dn L/M593.31.0113 5B SF Bay M/H559.21.0730 TriNum AP High464.61.2913 Predom. Dn Med504.71.1887 5B SF Bay High534.71.1220 TriNum W/L Low926.90.6473 Predom. Dn M/H448.91.3367 5B AP Low756.50.7931 TriNum W/L Med647.50.9267 Predom. Dn High413.41.4515 5B AP L/M590.61.0159 TriNum W/L Hig567.01.0582 ChiMac Up Low741.40.8093 5B AP Med512.51.1707 Predom. Upwind603.10.9948 ChiMac Up Med663.40.9044 5B AP M/H470.61.2749 Predom. Reaching519.81.1543 ChiMac Up High573.91.0454 5B AP High449.71.3343 Predom. Downwind548.31.0944 ChiMac Off Low696.80.8611 5B W/L Low1044.90.5742 Predom. Up Low853.60.7029 ChiMac Off Med612.40.9797 5B W/L L/M751.80.7981 Predom. Up L/M634.20.9461 ChiMac Off High512.41.1709 5B W/L Med636.40.9429 Predom. Up Med555.91.0794 ChiMac AP Low715.90.8382 5B W/L M/H574.91.0436 Predom. Up M/H518.71.1567 ChiMac AP Med635.70.9438 5B W/L High547.81.0952 Predom. Up High504.01.1905 ChiMac AP High541.81.1074 W/L 60-40 Low1059.40.5663 Predom. Rc Low737.20.8139 BayMac Cove Island829.50.7233 W/L 60-40 L/M765.60.7837 Predom. Rc L/M551.01.0889 BayMac Shore823.70.7284 W/L 60-40 Med652.90.9190 Predom. Rc Med482.91.2425 Harvest Moon452.71.3253 W/L 60-40 M/H596.21.0063 Predom. Rc M/H441.91.3578 5B SF Bay Low878.00.6834 W/L 60-40 High573.81.0456      SA/DSPL Up20.87SA/DSPL Dn46.89
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance571.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating571.41.0501
FinRating, kevyt tuuli1027.60.9731
FinRating, kova tuuli452.41.1052
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0501
Triple Number Coastal/Long Distance Low0.8813
Triple Number Coastal/Long Distance Medium1.1543
Triple Number Coastal/Long Distance High1.2913
Triple Number Windward/Leeward Low0.6801
Triple Number Windward/Leeward Medium0.9267
Triple Number Windward/Leeward High1.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
For information
General Purpose Handicap (GPH)589.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Saronikos S All Purpose608.90.9853
Saronikos S Upwind699.10.8582
Saronikos S Downwind494.31.2139
Saronikos N All Purpose638.90.9392
Saronikos N Upwind734.80.8165
Saronikos N Downwind537.91.1155
Saronikos SW All Purpose612.40.9797
Saronikos SW Upwind720.90.8323
Saronikos SW Downwind498.21.2042
Saronikos NE All Purpose659.50.9098
Saronikos NE Upwind686.40.8742
Saronikos NE Downwind605.60.9908
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose546.51.0979
5-Band All Purpose Low830.80.7222
5-Band All Purpose L/M612.00.9803
5-Band All Purpose Med529.61.1330
5-Band All Purpose M/H483.41.2412
5-Band All Purpose High458.61.3084
Single Number Predominant Upwind574.31.0447
Single Number Predominant Reaching497.61.2057
Single Number Predominant Downwind523.91.1453
5-Band 50-50 Windward/Leeward Low1044.90.5742
5-Band 50-50 Windward/Leeward L/M751.80.7981
5-Band 50-50 Windward/Leeward Med636.40.9429
5-Band 50-50 Windward/Leeward M/H574.91.0436
5-Band 50-50 Windward/Leeward High547.81.0952
5-Band 60-40 Windward/Leeward Low1059.40.5663
5-Band 60-40 Windward/Leeward L/M765.60.7837
5-Band 60-40 Windward/Leeward Med652.90.9190
5-Band 60-40 Windward/Leeward M/H596.21.0063
5-Band 60-40 Windward/Leeward High573.81.0456
Triple Number 50-50 Windward/Leeward Low926.90.6473
Triple Number 50-50 Windward/Leeward Med647.50.9266
Triple Number 50-50 Windward/Leeward High567.01.0582
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward669.90.8956
Triple Number 60-40 Windward/Leeward Low940.60.6379
Triple Number 60-40 Windward/Leeward Med663.50.9043
Triple Number 60-40 Windward/Leeward High589.41.0180
Triple Number All-Purpose Low741.80.8089
Triple Number All-Purpose Med537.41.1165
Triple Number All-Purpose High476.41.2594
Triple Number Predominant Upwind Low769.60.7796
Triple Number Predominant Upwind Med565.41.0613
Triple Number Predominant Upwind High520.71.1523
Triple Number Predominant Reaching Low665.80.9012
Triple Number Predominant Reaching Med498.61.2034
Triple Number Predominant Reaching High425.81.4090
Triple Number Predominant Downwind Low725.70.8268
Triple Number Predominant Downwind Med513.31.1689
Triple Number Predominant Downwind High428.51.4001
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low680.8
Triple Number Coastal/Long Distance Medium519.8
Triple Number Coastal/Long Distance High464.6
Triple Number Windward/Leeward Low882.2
Triple Number Windward/Leeward Medium647.5
Triple Number Windward/Leeward High567.0
Predominantly Upwind575.3
Predominantly Downwind523.4
Predominantly Reaching503.6
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8813
Triple Number Coastal/Long Distance Medium1.1543
Triple Number Coastal/Long Distance High1.2913
Triple Number Windward/Leeward Low0.6801
Triple Number Windward/Leeward Medium0.9267
Triple Number Windward/Leeward High1.0582
Coastal/Long Distance1.0501
Predominantly Upwind1.0429
Predominantly Downwind1.1464
For information
General Purpose Handicap (GPH)589.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1454
Distanseseilas Trippeltall svak vind0.8813
Distanseseilas Trippeltall mellomvind1.1543
Distanseseilas Trippeltall sterk vind1.2913
Pølsebane Trippeltall svak vind0.6801
Pølsebane Trippeltall mellomvind0.9267
Pølsebane Trippeltall sterk vind1.0582
Motvind Singeltall1.0429
Medvind Singeltall1.1464
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Coastal/Long Distance571.41.0501
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind575.31.0429
Predominantly Downwind523.41.1464
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore537.41.1165
Cape Doctor Coastal440.11.3634
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8813
Triple Number Coastal/Long Distance Medium1.1543
Triple Number Coastal/Long Distance High1.2913
Triple Number Windward/Leeward Low0.6801
Triple Number Windward/Leeward Medium0.9267
Triple Number Windward/Leeward High1.0582
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8813
Triple Number Coastal/Long Distance Medium1.1543
Triple Number Coastal/Long Distance High1.2913
Triple Number Windward/Leeward Low0.6801
Triple Number Windward/Leeward Medium0.9267
Triple Number Windward/Leeward High1.0582
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Predominantly Upwind575.31.0429
Predominantly Downwind523.41.1464
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance571.41.0501
Triple Number Coastal/Long Distance Low680.80.8813
Triple Number Coastal/Long Distance Medium519.81.1543
Triple Number Coastal/Long Distance High464.61.2913
Triple Number Windward/Leeward Low882.20.6801
Triple Number Windward/Leeward Medium647.50.9267
Triple Number Windward/Leeward High567.01.0582
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.8974.5734.1609.8539.7502.0471.9425.5412.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP546.51.0979 Predom. Dn High413.41.4515 5B AP M/H470.61.2749 TriNum AP Low680.80.8813 Predom. Rc Low737.20.8139 5B AP High449.71.3343 TriNum AP Med519.91.1541 Predom. Rc L/M551.01.0889 5B SF Bay Low878.00.6834 TriNum AP High464.61.2913 Predom. Rc Med482.91.2425 5B SF Bay L/M716.80.8371 TriNum W/L Low926.90.6473 Predom. Rc M/H441.91.3578 5B SF Bay Med613.70.9777 TriNum W/L Med647.50.9267 Predom. Rc High416.51.4404 5B SF Bay M/H559.21.0730 TriNum W/L Hig567.01.0582 5B W/L Low1044.90.5742 5B SF Bay High534.71.1220 Predom. Upwind603.10.9948 5B W/L L/M751.80.7981 ChiMac Up Low741.40.8093 Predom. Reaching519.81.1543 5B W/L Med636.40.9429 ChiMac Up Med663.40.9044 Predom. Downwind548.31.0944 5B W/L M/H574.91.0436 ChiMac Up High573.91.0454 Predom. Up Low853.60.7029 5B W/L High547.81.0952 ChiMac Off Low696.80.8611 Predom. Up L/M634.20.9461 W/L 60-40 Low1059.40.5663 ChiMac Off Med612.40.9797 Predom. Up Med555.91.0794 W/L 60-40 L/M765.60.7837 ChiMac Off High512.41.1709 Predom. Up M/H518.71.1567 W/L 60-40 Med652.90.9190 ChiMac AP Low715.90.8382 Predom. Up High504.01.1905 W/L 60-40 M/H596.21.0063 ChiMac AP Med635.70.9438 Predom. Dn Low815.30.7360 W/L 60-40 High573.81.0456 ChiMac AP High541.81.1074 Predom. Dn L/M593.31.0113 5B AP Low756.50.7931 BayMac Cove Island829.50.7233 Predom. Dn Med504.71.1887 5B AP L/M590.61.0159 BayMac Shore823.70.7284 Predom. Dn M/H448.91.3367 5B AP Med512.51.1707 Harvest Moon452.71.3253      SA/DSPL Up20.87SA/DSPL Dn46.89
ORC Ref  04310004JQJ Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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 L11.844LSM011.899Accomod. length12.400Sink (kg/mm) 28.27
VCGD0.040VCGM0.020 RM Rated (kg·m) 264.8Limit of positive stability(°) 120.9 Stability Index 126.1 BLR index 0.0000Default crew weight170 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  04310004JQJ Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub 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  04310004JQJ Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org