Club
Certificate
Double Handed
2023

Boat

Duppen

NOR 10750

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.6°40.0°39.9°39.6°39.6°40.5°
Beat VMG3.253.894.254.424.494.524.49
52°4.905.746.206.406.496.546.56
60°5.145.966.396.606.706.756.79
75°5.316.136.566.796.957.057.15
90°5.226.086.566.847.057.237.48
110°5.156.166.707.037.297.477.72
120°4.986.036.647.007.307.598.03
135°4.465.536.326.787.127.458.13
150°3.774.835.726.396.807.137.79
Run VMG3.264.184.985.666.256.687.32
Gybe Angles145.7°150.1°153.8°160.4°173.6°179.0°179.0°

APH: 616.3

CDL: 7.555

GPH: 688.7

CertNo: 8279

BOAT
ClassELAN 31DesignerRob HuphreyBuilderElan marineAge date01/2004Series date01/2003Offset fileELAN31.OFFData file8279
HULL
Length Overall9.150 mMaximum Beam3.302 mDraft1.911 mDisplacement4,332 kgDLR7.1424IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.2328.76Headsail Luffed25.2125.21Headsail FlyingSymmetric55.9455.94Asymmetric
STORM SAIL AREAS (m²)
Trysail8.59Storm Jib6.83Heavy Weather Jib18.44
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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.

Club
Certificate
Double Handed
2023

Boat

Duppen

NOR 10750

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1106.8926.2846.2814.8801.3795.7801.1
52°734.0627.3581.1562.5554.8550.7549.0
60°699.9603.6563.0545.4537.5533.0529.9
75°677.4587.5549.1530.1518.2510.9503.4
90°689.8591.7548.7526.2510.4498.2481.4
110°698.9584.1537.3512.3493.5481.8466.2
120°722.4596.8542.5514.6493.0474.3448.3
135°807.5651.0569.9531.2505.7483.3442.6
150°955.8745.8629.1563.4529.1504.9462.0
Run VMG1103.7860.8723.5635.7576.0538.5492.1
Selected Courses
Windward / Leeward1105.3893.5784.9725.3688.7667.1646.6
All purpose853.0704.2632.5595.7574.1560.2543.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward756.00.7937
All purpose616.30.9736
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6894
Downwind "popa"0.8518
70% up, 30% down "Ilhabela"0.7312
30% up, 70% down "Ilhabela-inverso"0.7956
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Predominantly Upwind667.50.8989
Predominantly Downwind621.40.9656
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low778.60.7706
Triple Number All Purpose Medium611.60.9810
Triple Number All Purpose High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Predominantly Upwind667.50.8989
Predominantly Downwind621.40.9656
Predominantly Upwind Low861.00.6969
Predominantly Upwind Medium691.40.8678
Predominantly Upwind High659.50.9098
Predominantly Downwind Low856.00.7010
Predominantly Downwind Medium613.70.9777
Predominantly Downwind High515.91.1630
Chicago-Mac Upwind0.8833
Chicago-Mac All Purpose0.9133
Chicago-Mac Downwind0.9487
Bayview-Mac Cove Island0.8556
Bayview-Mac Shore0.8626
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching585.21.0253
Predominantly Reaching Low709.20.8460
Predominantly Reaching Medium578.51.0371
Predominantly Reaching High518.21.1578
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1089.00.5510
5-Band Low / Medium916.70.6545
5-Band Medium738.20.8128
5-Band Medium / High672.20.8926
5-Band High650.10.9229
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance669.6
Triple Number Coastal/Long Distance Low778.6
Triple Number Coastal/Long Distance Medium611.6
Triple Number Coastal/Long Distance High557.3
Triple Number Windward/Leeward Low999.3
Triple Number Windward/Leeward Medium750.0
Triple Number Windward/Leeward High664.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7706
Triple Number Coastal/Long Distance Medium0.9810
Triple Number Coastal/Long Distance High1.0767
Triple Number Windward/Leeward Low0.6004
Triple Number Windward/Leeward Medium0.8000
Triple Number Windward/Leeward High0.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low778.6
Triple Number Coastal/Long Distance Medium611.6
Triple Number Coastal/Long Distance High557.3
Triple Number Windward/Leeward Low999.3
Triple Number Windward/Leeward Medium750.0
Triple Number Windward/Leeward High664.8
Predominantly Upwind667.5
Predominantly Downwind621.4
Predominantly Reaching597.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7706
Triple Number Coastal/Long Distance Medium0.9810
Triple Number Coastal/Long Distance High1.0767
Triple Number Windward/Leeward Low0.6004
Triple Number Windward/Leeward Medium0.8000
Triple Number Windward/Leeward High0.9025
Coastal/Long Distance0.8960
Predominantly Upwind0.8989
Predominantly Downwind0.9656
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7706
Tretall Distanseseilas Mellomvind0.9810
Tretall Distanseseilas Mye vind1.0767
Tretall Pølsebane Lite vind0.6004
Tretall Pølsebane Mellomvind0.8000
Tretall Pølsebane Mye vind0.9025
Distanseseilas ett tall (OSN 8-16kn)0.8960
Distanseseilas ett tall (APH 6-20kn)0.9736
Enkeltall Motvind0.8989
Enkeltall Medvind0.9656
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Coastal/Long Distance669.60.8960
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind667.50.8989
Predominantly Downwind621.40.9656
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore652.70.9192
Cape Doctor Coastal548.21.0945
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7706
Triple Number Coastal/Long Distance Medium0.9810
Triple Number Coastal/Long Distance High1.0767
Triple Number Windward/Leeward Low0.6004
Triple Number Windward/Leeward Medium0.8000
Triple Number Windward/Leeward High0.9025
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7706
Triple Number Coastal/Long Distance Medium0.9810
Triple Number Coastal/Long Distance High1.0767
Triple Number Windward/Leeward Low0.6004
Triple Number Windward/Leeward Medium0.8000
Triple Number Windward/Leeward High0.9025
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Predominantly Upwind667.50.8989
Predominantly Downwind621.40.9656
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.60.8960
Triple Number Coastal/Long Distance Low778.60.7706
Triple Number Coastal/Long Distance Medium611.60.9810
Triple Number Coastal/Long Distance High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1105.1841.7709.8635.9595.9564.9516.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low778.60.7706
Triple Number All Purpose Medium611.60.9810
Triple Number All Purpose High557.31.0767
Triple Number Windward/Leeward Low999.30.6004
Triple Number Windward/Leeward Medium750.00.8000
Triple Number Windward/Leeward High664.80.9025
Predominantly Upwind667.50.8989
Predominantly Downwind621.40.9656
Predominantly Upwind Low861.00.6969
Predominantly Upwind Medium691.40.8678
Predominantly Upwind High659.50.9098
Predominantly Downwind Low856.00.7010
Predominantly Downwind Medium613.70.9777
Predominantly Downwind High515.91.1630
Chicago-Mac Upwind0.8833
Chicago-Mac All Purpose0.9133
Chicago-Mac Downwind0.9487
Bayview-Mac Cove Island0.8556
Bayview-Mac Shore0.8626
Harvest Moon Regatta535.31.1208
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy655.40.9155
San Francisco Bay Medium743.60.8069
Predominantly Reaching585.21.0253
Predominantly Reaching Low709.20.8460
Predominantly Reaching Medium578.51.0371
Predominantly Reaching High518.21.1578
Windward/Leeward 60-40 Low1002.80.5983
Windward/Leeward 60-40 Medium777.60.7716
Windward/Leeward 60-40 High710.50.8445
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1089.00.5510
5-Band Low / Medium916.70.6545
5-Band Medium738.20.8128
5-Band Medium / High672.20.8926
5-Band High650.10.9229

Club
Certificate
Double Handed
2023

Boat

Duppen

NOR 10750

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassELAN 31MeasurementHINPlan reviewHull constructionLightCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.150Max. Beam3.302Draft1.911Displacement4,332Wetted area19.99IMS L8.393LSM08.464Acc. length9.470Sink (kg/mm) 15.07
VCGD0.137VCGM0.076RM Rated (kg·m) 71.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0032
EDL1.980ST10.045ST20.170
ST30.170ST40.170ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.460IG11.685ISP11.750MDT10.090MDL10.160MDT20.087MDL20.110TL0.000MW0.160GO0.160
E4.280J3.280BAS1.507FSDFoilSFJ0.000SPL3.350WPLTPS0.000BDMWT111.20MCG3.870
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.137Flotation Date01/01/2015MeasurerComment
SFFP0.650FFMFF1.148LCFcl5.431SG1.0050
SAFP8.910FAMFA0.826LCFsh5.654HBI1.007
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Double Handed
2023

Boat

Duppen

NOR 10750

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment267-2016060214050.140.861.532.633.4728.2302/06/2016
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment626-2019102109340.040.551.082.273.544.8310.78NoNo 25.2121/10/2019999-2005042913510.000.000.000.000.004.4610.87NoNo 24.6829/04/2005417-2019091211180.040.541.022.083.214.4010.82NoNo 23.1612/09/2019
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment235-20050423120211.4211.4211.425.840.0055.9423/04/2005