Club
Certificate
Non Spinnaker
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 Angles43.0°40.9°39.4°38.2°37.6°37.5°37.6°
Beat VMG3.233.914.394.674.794.854.89
52°4.915.786.306.566.696.766.82
60°5.156.016.466.716.866.947.02
75°5.296.156.596.857.047.197.36
90°5.176.076.576.867.097.297.62
110°4.625.656.366.767.067.337.84
120°4.365.406.186.646.957.237.79
135°3.824.865.706.336.727.007.54
150°3.264.265.125.856.396.757.28
Run VMG2.823.704.495.215.866.376.98
Gybe Angles148.4°153.8°162.2°169.4°174.8°179.0°179.3°

APH: 627.5

CDL: 7.995

GPH: 708.7

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 Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight543 kgMinimum weight407 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.2328.76Headsail Luffed25.2125.21Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.59Storm Jib6.83Heavy Weather Jib18.44
SAIL LIMITS
Headsails5  Spinnakers0 * Spinnaker pole aboard
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.
ORC Ref  03440002JDMIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1114.1919.9820.2771.4752.2741.9736.5
52°733.7622.5571.8548.7537.8532.4527.6
60°699.0599.3557.3536.6524.9518.7512.7
75°680.1585.3546.5525.7511.2500.5489.3
90°696.5592.9548.0524.9508.0493.6472.5
110°778.8637.4566.0532.2510.2491.3459.0
120°824.8667.1582.6541.8517.7497.9462.4
135°941.4740.2631.3568.8536.0514.1477.3
150°1104.6844.4703.6615.9563.3533.7494.5
Run VMG1275.5972.2800.9690.7614.6565.5515.4
Selected Courses
Windward / Leeward1194.8946.0810.6731.1683.4653.7626.0
All purpose913.7740.6651.1602.0573.7555.5533.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward769.10.7801
All purpose627.50.9561
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7172
Downwind "popa"0.7728
70% up, 30% down "Ilhabela"0.7330
30% up, 70% down "Ilhabela-inverso"0.7552
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind664.10.9035
Predominantly Downwind656.10.9145
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low827.10.7254
Triple Number All Purpose Medium622.90.9633
Triple Number All Purpose High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind664.10.9035
Predominantly Downwind656.10.9145
Predominantly Upwind Low886.00.6772
Predominantly Upwind Medium673.30.8911
Predominantly Upwind High627.20.9566
Predominantly Downwind Low947.40.6333
Predominantly Downwind Medium659.00.9105
Predominantly Downwind High536.81.1177
Chicago-Mac Upwind0.8869
Chicago-Mac All Purpose0.8897
Chicago-Mac Downwind0.8955
Bayview-Mac Cove Island0.8268
Bayview-Mac Shore0.8437
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching598.71.0021
Predominantly Reaching Low755.00.7947
Predominantly Reaching Medium596.81.0053
Predominantly Reaching High522.51.1484
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1175.60.5104
5-Band Low / Medium970.40.6183
5-Band Medium747.80.8024
5-Band Medium / High660.60.9083
5-Band High630.80.9512
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance684.4
Triple Number Coastal/Long Distance Low827.1
Triple Number Coastal/Long Distance Medium622.9
Triple Number Coastal/Long Distance High551.7
Triple Number Windward/Leeward Low1070.5
Triple Number Windward/Leeward Medium763.6
Triple Number Windward/Leeward High650.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0875
Triple Number Windward/Leeward Low0.5605
Triple Number Windward/Leeward Medium0.7858
Triple Number Windward/Leeward High0.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low827.1
Triple Number Coastal/Long Distance Medium622.9
Triple Number Coastal/Long Distance High551.7
Triple Number Windward/Leeward Low1070.5
Triple Number Windward/Leeward Medium763.6
Triple Number Windward/Leeward High650.7
Predominantly Upwind664.1
Predominantly Downwind656.1
Predominantly Reaching620.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0875
Triple Number Windward/Leeward Low0.5605
Triple Number Windward/Leeward Medium0.7858
Triple Number Windward/Leeward High0.9221
Coastal/Long Distance0.8766
Predominantly Upwind0.9035
Predominantly Downwind0.9145
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7254
Tretall Distanseseilas Mellomvind0.9633
Tretall Distanseseilas Mye vind1.0875
Tretall Pølsebane Lite vind0.5605
Tretall Pølsebane Mellomvind0.7858
Tretall Pølsebane Mye vind0.9221
Distanseseilas ett tall (OSN 8-16kn)0.8766
Distanseseilas ett tall (APH 6-20kn)0.9561
Enkeltall Motvind0.9035
Enkeltall Medvind0.9145
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Coastal/Long Distance684.40.8766
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind664.10.9035
Predominantly Downwind656.10.9145
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore634.30.9460
Cape Doctor Coastal540.01.1112
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0875
Triple Number Windward/Leeward Low0.5605
Triple Number Windward/Leeward Medium0.7858
Triple Number Windward/Leeward High0.9221
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9633
Triple Number Coastal/Long Distance High1.0875
Triple Number Windward/Leeward Low0.5605
Triple Number Windward/Leeward Medium0.7858
Triple Number Windward/Leeward High0.9221
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind664.10.9035
Predominantly Downwind656.10.9145
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance684.40.8766
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium622.90.9633
Triple Number Coastal/Long Distance High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1202.8892.0732.8641.7595.3562.3512.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low827.10.7254
Triple Number All Purpose Medium622.90.9633
Triple Number All Purpose High551.71.0875
Triple Number Windward/Leeward Low1070.50.5605
Triple Number Windward/Leeward Medium763.60.7858
Triple Number Windward/Leeward High650.70.9221
Predominantly Upwind664.10.9035
Predominantly Downwind656.10.9145
Predominantly Upwind Low886.00.6772
Predominantly Upwind Medium673.30.8911
Predominantly Upwind High627.20.9566
Predominantly Downwind Low947.40.6333
Predominantly Downwind Medium659.00.9105
Predominantly Downwind High536.81.1177
Chicago-Mac Upwind0.8869
Chicago-Mac All Purpose0.8897
Chicago-Mac Downwind0.8955
Bayview-Mac Cove Island0.8268
Bayview-Mac Shore0.8437
Harvest Moon Regatta549.01.0929
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy642.30.9341
San Francisco Bay Medium758.70.7909
Predominantly Reaching598.71.0021
Predominantly Reaching Low755.00.7947
Predominantly Reaching Medium596.81.0053
Predominantly Reaching High522.51.1484
Windward/Leeward 60-40 Low1059.70.5662
Windward/Leeward 60-40 Medium774.40.7748
Windward/Leeward 60-40 High681.90.8799
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1175.60.5104
5-Band Low / Medium970.40.6183
5-Band Medium747.80.8024
5-Band Medium / High660.60.9083
5-Band High630.80.9512
ORC Ref  03440002JDMIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L8.496LSM08.464Acc. 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
ORC Ref  03440002JDMIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002JDMIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org