Double HandedClub Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 Angles42.0°42.0°40.4°39.5°38.9°38.5°38.9°39.4°41.0°
Beat VMG2.763.734.434.865.065.175.225.235.12
52°4.205.596.507.017.257.367.437.467.41
60°4.435.846.737.207.457.577.647.697.68
75°4.575.996.867.357.637.817.948.058.13
90°4.445.876.797.337.667.918.108.408.56
110°4.205.746.857.477.838.058.228.438.75
120°4.095.606.737.427.858.198.488.859.07
135°3.635.076.257.127.658.068.449.2210.11
150°3.014.315.476.467.207.698.078.849.78
Run VMG2.613.734.745.616.356.957.428.158.85
Gybe Angles145.3°145.3°149.7°152.5°158.0°164.6°170.0°176.3°173.2°
APH ToD:544.8CDL: 9.457APH ToT: 1.1012CertNo:7103
BOAT
ClassX-412DesignerNielsJeppesenBuilderX/yachtsAge dateSeries date01/1990Offset fileIX412.OFFData file7103
HULL
Length Overall12.476 mMaximum Beam3.858 mDraft2.208 mDisplacement7,599 kgDLR8.0838IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.6440.28Headsail Luffed48.5948.59Headsail FlyingSymmetric122.01122.01Asymmetric
STORM SAIL AREAS (m²)
Trysail11.85Storm Jib14.30Heavy Weather Jib38.59
SAIL LIMITS
Headsails5Spinnakers4
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.
Double HandedClub Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
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 VMG1305.8964.9812.1740.8711.1696.8689.5688.7703.3
52°856.6644.1553.5513.8496.5489.0484.8482.7486.1
60°813.3616.9535.2499.8483.3475.4471.1467.9468.6
75°787.2600.8524.5490.0472.1460.8453.4447.0442.9
90°810.4613.4530.2491.0469.8455.3444.2428.6420.7
110°857.0627.7525.2481.7459.6447.4438.0427.2411.4
120°879.9642.6534.7485.0458.7439.3424.3406.6397.1
135°992.2709.9575.6506.0470.6446.9426.7390.4356.2
150°1196.0835.0657.8557.1499.8468.4445.9407.1368.0
Run VMG1381.4964.2759.6641.8567.0518.2485.5441.8406.6
Selected Courses
Windward / Leeward1341.9964.6785.9691.3639.0607.5587.5565.3554.9
All purpose1025.5749.7623.1560.1527.1507.7494.6478.3467.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward665.30.9018
All purpose544.81.1012
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7918
Downwind "popa"0.9593
70% up, 30% down "Ilhabela"0.8356
30% up, 70% down "Ilhabela-inverso"0.9021
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind587.71.0209
Predominantly Downwind550.61.0897
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low686.40.8741
Triple Number AP Medium541.31.1085
Triple Number AP High491.71.2201
Triple Number Windward/Leeward Low912.60.6575
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Single Number Predominant Upwind609.40.9846
Single Number Predominant Reaching541.61.1078
Single Number Predominant Downwind574.41.0446
Predominant Upwind - Low813.00.7380
Predominant Upwind - Low/Med636.00.9434
Predominant Upwind - Medium571.11.0506
Predominant Upwind - Med/High540.01.1111
Predominant Upwind - High528.61.1351
Predominant Downwind Low830.90.7221
Predominant Downwind Low/Med620.60.9669
Predominant Downwind Medium532.01.1278
Predominant Downwind Med/High478.11.2550
Predominant Downwind High447.71.3402
Predominant Reaching Low736.80.8143
Predominant Reaching Low/Med572.11.0487
Predominant Reaching Medium508.11.1808
Predominant Reaching Med/High471.21.2733
Predominant Reaching High450.61.3315
SA/DSPL Upwind22.67SA/DSPL Downwind41.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1014.70.5913
5-Band Windward/Leeward Low/Med757.20.7924
5-Band Windward/Leeward Medium650.40.9226
5-Band Windward/Leeward Med/High591.51.0144
5-Band Windward/Leeward High567.31.0576
Windward/Leeward 60-40 Low1014.10.5916
Windward/Leeward 60-40 Low/Med764.70.7847
Windward/Leeward 60-40 Medium664.30.9032
Windward/Leeward 60-40 Med/High611.70.9809
Windward/Leeward 60-40 High592.11.0133
5-Band AP Low758.20.7914
5-Band AP Low/Med605.40.9911
5-Band AP Medium534.61.1224
5-Band AP Med/High496.81.2078
5-Band AP High479.31.2518
5-Band SF Bay Tour - Low877.70.6836
5-Band SF Bay Tour - Low/Med724.80.8279
5-Band SF Bay Tour - Medium629.60.9530
5-Band SF Bay Tour - Med/High579.11.0361
5-Band SF Bay Tour - High557.91.0754
Chicago-Mac Upwind0.9578
Chicago-Mac All Purpose0.9856
Chicago-Mac Downwind1.0082
Bayview-Mac Cove Island0.7338
Bayview-Mac Shore0.7394
Harvest Moon Regatta476.11.2602
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance591.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating591.01.0153
FinRating, kevyt tuuli998.01.0020
FinRating, kova tuuli482.91.0355
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0153
Triple Number Coastal/Long Distance Low0.8741
Triple Number Coastal/Long Distance Medium1.1086
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6855
Triple Number Windward/Leeward Medium0.9080
Triple Number Windward/Leeward High1.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
For information
General Purpose Handicap (GPH)608.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low686.4
Triple Number Coastal/Long Distance Medium541.2
Triple Number Coastal/Long Distance High491.8
Triple Number Windward/Leeward Low875.3
Triple Number Windward/Leeward Medium660.8
Triple Number Windward/Leeward High584.2
Predominantly Upwind587.7
Predominantly Downwind550.6
Predominantly Reaching530.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8741
Triple Number Coastal/Long Distance Medium1.1086
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6855
Triple Number Windward/Leeward Medium0.9080
Triple Number Windward/Leeward High1.0271
Coastal/Long Distance1.0153
Predominantly Upwind1.0209
Predominantly Downwind1.0897
For information
General Purpose Handicap (GPH)608.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1012
Distanseseilas Trippeltall svak vind0.8741
Distanseseilas Trippeltall mellomvind1.1086
Distanseseilas Trippeltall sterk vind1.2201
Pølsebane Trippeltall svak vind0.6855
Pølsebane Trippeltall mellomvind0.9080
Pølsebane Trippeltall sterk vind1.0271
Motvind Singeltall1.0209
Medvind Singeltall1.0897
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Coastal/Long Distance591.01.0153
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind587.71.0209
Predominantly Downwind550.61.0897
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore558.01.0752
Cape Doctor Coastal471.01.2738
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8741
Triple Number Coastal/Long Distance Medium1.1086
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6855
Triple Number Windward/Leeward Medium0.9080
Triple Number Windward/Leeward High1.0271
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8741
Triple Number Coastal/Long Distance Medium1.1086
Triple Number Coastal/Long Distance High1.2201
Triple Number Windward/Leeward Low0.6855
Triple Number Windward/Leeward Medium0.9080
Triple Number Windward/Leeward High1.0271
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Predominantly Upwind587.71.0209
Predominantly Downwind550.61.0897
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low686.40.8741
Triple Number Coastal/Long Distance Medium541.21.1086
Triple Number Coastal/Long Distance High491.81.2201
Triple Number Windward/Leeward Low875.30.6855
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1424.0964.6741.6626.8561.6526.2499.1458.1448.4
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low686.40.8741
Triple Number AP Medium541.31.1085
Triple Number AP High491.71.2201
Triple Number Windward/Leeward Low912.60.6575
Triple Number Windward/Leeward Medium660.80.9080
Triple Number Windward/Leeward High584.21.0271
Single Number Predominant Upwind609.40.9846
Single Number Predominant Reaching541.61.1078
Single Number Predominant Downwind574.41.0446
Predominant Upwind - Low813.00.7380
Predominant Upwind - Low/Med636.00.9434
Predominant Upwind - Medium571.11.0506
Predominant Upwind - Med/High540.01.1111
Predominant Upwind - High528.61.1351
Predominant Downwind Low830.90.7221
Predominant Downwind Low/Med620.60.9669
Predominant Downwind Medium532.01.1278
Predominant Downwind Med/High478.11.2550
Predominant Downwind High447.71.3402
Predominant Reaching Low736.80.8143
Predominant Reaching Low/Med572.11.0487
Predominant Reaching Medium508.11.1808
Predominant Reaching Med/High471.21.2733
Predominant Reaching High450.61.3315
SA/DSPL Upwind22.67SA/DSPL Downwind41.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low1014.70.5913
5-Band Windward/Leeward Low/Med757.20.7924
5-Band Windward/Leeward Medium650.40.9226
5-Band Windward/Leeward Med/High591.51.0144
5-Band Windward/Leeward High567.31.0576
Windward/Leeward 60-40 Low1014.10.5916
Windward/Leeward 60-40 Low/Med764.70.7847
Windward/Leeward 60-40 Medium664.30.9032
Windward/Leeward 60-40 Med/High611.70.9809
Windward/Leeward 60-40 High592.11.0133
5-Band AP Low758.20.7914
5-Band AP Low/Med605.40.9911
5-Band AP Medium534.61.1224
5-Band AP Med/High496.81.2078
5-Band AP High479.31.2518
5-Band SF Bay Tour - Low877.70.6836
5-Band SF Bay Tour - Low/Med724.80.8279
5-Band SF Bay Tour - Medium629.60.9530
5-Band SF Bay Tour - Med/High579.11.0361
5-Band SF Bay Tour - High557.91.0754
Chicago-Mac Upwind0.9578
Chicago-Mac All Purpose0.9856
Chicago-Mac Downwind1.0082
Bayview-Mac Cove Island0.7338
Bayview-Mac Shore0.7394
Harvest Moon Regatta476.11.2602
Double HandedClub Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-412MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA12.476Max. Beam3.858Draft2.208Displacement7,599Wetted area29.50IMS L10.093LSM09.795Acc. length12.476Sink (kg/mm) 21.41
VCGD-0.053VCGM0.005RM Rated (kg·m) 172.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0038
EDL2.700ST10.067ST20.180
ST30.180ST40.180ST50.295
RIG
Forestay tensionAftInner stayAdjustableMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders3Rotating mastNo
P14.400IG16.490ISP16.477MDT10.116MDL10.213MDT20.100MDL20.180TL1.450MW0.180GO0.300
E4.700J4.880BAS1.825FSD0.000SFJ0.000SPL4.978WPLTPS0.000BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered172.0Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
MargretheNOR 10001
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2018112214560.050.911.712.983.9339.6422/11/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2018112113360.090.781.492.984.556.1216.02NoNo 48.5921/11/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment315-20050629150516.3416.3416.340.000.00122.0129/06/2005
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.