Double HandedClub Certificate2025
Fomle 4NOR 16323
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 Angles43.4°43.4°41.1°40.4°40.4°40.7°40.6°41.1°42.3°
Beat VMG1.902.603.133.483.703.833.893.903.81
52°2.973.954.635.095.385.555.635.685.66
60°3.134.154.825.275.545.715.805.875.88
75°3.224.274.975.425.695.886.026.156.21
90°3.164.214.935.425.745.976.156.386.54
110°2.873.934.745.345.715.986.216.626.97
120°2.703.734.565.205.625.906.146.597.01
135°2.343.324.174.845.365.715.976.436.89
150°1.972.893.744.435.015.465.776.236.68
Run VMG1.702.513.283.974.565.085.486.016.44
Gybe Angles152.9°152.9°161.3°171.2°176.3°178.6°179.5°179.7°177.5°
APH ToD:754.6CDL: 5.379APH ToT: 0.7951CertNo:676465
BOAT
ClassIFDesignerSUNDENTORDBuilderMarieholmAge dateSeries date01/1974Offset fileif-boat.offData file676465
HULL
Length Overall7.870 mMaximum Beam2.200 mDraft1.207 mDisplacement2,343 kgDLR11.2251IMS DivisionCruiser/RacerDynamic Allowance0.670%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail16.7417.02Headsail Luffed13.8013.80Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.21Storm Jib3.33Heavy Weather Jib8.97
SAIL LIMITS
Headsails5Spinnakers0
✱ 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.
Double HandedClub Certificate2025
Fomle 4NOR 16323
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 VMG1890.51383.71151.31034.6972.6940.3926.1923.3945.0
52°1213.5910.9777.6707.0669.8648.6639.8634.1636.2
60°1148.5867.9746.7683.2649.9630.4620.4613.6612.6
75°1116.4842.3724.0664.0632.3612.4598.5585.3579.3
90°1140.5855.3729.8663.9626.7603.1585.5564.4550.6
110°1254.2916.6759.3674.3630.1602.4580.1543.9516.2
120°1332.0964.4790.0692.8641.0610.2586.4546.3513.9
135°1539.21084.0864.0743.7671.5630.4603.3559.6522.7
150°1823.11244.6963.1812.8718.2659.6624.3577.5538.9
Run VMG2117.71433.71096.3907.0788.9708.3656.4599.3558.6
Selected Courses
Windward / Leeward1999.41408.71123.8970.8880.8824.3791.3761.3751.8
All purpose1510.51089.2890.5785.1725.1688.9666.9642.2629.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward923.30.6499
All purpose754.60.7951
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5728
Downwind "popa"0.6785
70% up, 30% down "Ilhabela"0.6009
30% up, 70% down "Ilhabela-inverso"0.6429
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Predominantly Upwind810.80.7400
Predominantly Downwind773.40.7758
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low989.90.6061
Triple Number AP Medium749.90.8001
Triple Number AP High663.10.9048
Triple Number Windward/Leeward Low1324.70.4529
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Single Number Predominant Upwind842.80.7119
Single Number Predominant Reaching754.00.7958
Single Number Predominant Downwind812.00.7389
Predominant Upwind - Low1170.40.5126
Predominant Upwind - Low/Med894.90.6704
Predominant Upwind - Medium782.60.7667
Predominant Upwind - Med/High725.10.8275
Predominant Upwind - High707.60.8480
Predominant Downwind Low1230.40.4877
Predominant Downwind Low/Med890.70.6737
Predominant Downwind Medium741.50.8091
Predominant Downwind Med/High653.00.9189
Predominant Downwind High612.30.9799
Predominant Reaching Low1069.60.5610
Predominant Reaching Low/Med809.20.7415
Predominant Reaching Medium699.40.8579
Predominant Reaching Med/High636.90.9420
Predominant Reaching High608.70.9857
SA/DSPL Upwind17.26SA/DSPL Downwind17.26
Scoring OptionTODTOT
5-Band Windward/Leeward Low1486.30.4037
5-Band Windward/Leeward Low/Med1075.90.5577
5-Band Windward/Leeward Medium899.00.6674
5-Band Windward/Leeward Med/High799.30.7506
5-Band Windward/Leeward High764.80.7845
Windward/Leeward 60-40 Low1479.50.4055
Windward/Leeward 60-40 Low/Med1084.30.5533
Windward/Leeward 60-40 Medium916.90.6544
Windward/Leeward 60-40 Med/High825.80.7265
Windward/Leeward 60-40 High797.40.7525
5-Band AP Low1104.60.5432
5-Band AP Low/Med858.20.6991
5-Band AP Medium737.90.8131
5-Band AP Med/High671.30.8938
5-Band AP High644.20.9314
5-Band SF Bay Tour - Low1278.10.4694
5-Band SF Bay Tour - Low/Med1033.10.5808
5-Band SF Bay Tour - Medium873.50.6869
5-Band SF Bay Tour - Med/High786.20.7631
5-Band SF Bay Tour - High756.00.7937
Chicago-Mac Upwind0.6883
Chicago-Mac All Purpose0.7026
Chicago-Mac Downwind0.7100
Bayview-Mac Cove Island0.5071
Bayview-Mac Shore0.5120
Harvest Moon Regatta652.40.9197
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance820.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating820.60.7312
FinRating, kevyt tuuli1464.80.6827
FinRating, kova tuuli649.00.7705
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.7312
Triple Number Coastal/Long Distance Low0.6061
Triple Number Coastal/Long Distance Medium0.8002
Triple Number Coastal/Long Distance High0.9048
Triple Number Windward/Leeward Low0.4739
Triple Number Windward/Leeward Medium0.6544
Triple Number Windward/Leeward High0.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
For information
General Purpose Handicap (GPH)851.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low989.9
Triple Number Coastal/Long Distance Medium749.8
Triple Number Coastal/Long Distance High663.1
Triple Number Windward/Leeward Low1266.1
Triple Number Windward/Leeward Medium916.9
Triple Number Windward/Leeward High788.3
Predominantly Upwind810.8
Predominantly Downwind773.4
Predominantly Reaching738.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6061
Triple Number Coastal/Long Distance Medium0.8002
Triple Number Coastal/Long Distance High0.9048
Triple Number Windward/Leeward Low0.4739
Triple Number Windward/Leeward Medium0.6544
Triple Number Windward/Leeward High0.7611
Coastal/Long Distance0.7312
Predominantly Upwind0.7400
Predominantly Downwind0.7758
For information
General Purpose Handicap (GPH)851.1
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.7951
Distanseseilas Trippeltall svak vind0.6061
Distanseseilas Trippeltall mellomvind0.8002
Distanseseilas Trippeltall sterk vind0.9048
Pølsebane Trippeltall svak vind0.4739
Pølsebane Trippeltall mellomvind0.6544
Pølsebane Trippeltall sterk vind0.7611
Motvind Singeltall0.7400
Medvind Singeltall0.7758
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Coastal/Long Distance820.60.7312
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind810.80.7400
Predominantly Downwind773.40.7758
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore754.70.7951
Cape Doctor Coastal633.20.9476
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6061
Triple Number Coastal/Long Distance Medium0.8002
Triple Number Coastal/Long Distance High0.9048
Triple Number Windward/Leeward Low0.4739
Triple Number Windward/Leeward Medium0.6544
Triple Number Windward/Leeward High0.7611
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6061
Triple Number Coastal/Long Distance Medium0.8002
Triple Number Coastal/Long Distance High0.9048
Triple Number Windward/Leeward Low0.4739
Triple Number Windward/Leeward Medium0.6544
Triple Number Windward/Leeward High0.7611
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Predominantly Upwind810.80.7400
Predominantly Downwind773.40.7758
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance820.60.7312
Triple Number Coastal/Long Distance Low989.90.6061
Triple Number Coastal/Long Distance Medium749.80.8002
Triple Number Coastal/Long Distance High663.10.9048
Triple Number Windward/Leeward Low1266.10.4739
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance2135.21411.21060.5880.2774.1715.0673.7612.9596.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low989.90.6061
Triple Number AP Medium749.90.8001
Triple Number AP High663.10.9048
Triple Number Windward/Leeward Low1324.70.4529
Triple Number Windward/Leeward Medium916.90.6544
Triple Number Windward/Leeward High788.30.7611
Single Number Predominant Upwind842.80.7119
Single Number Predominant Reaching754.00.7958
Single Number Predominant Downwind812.00.7389
Predominant Upwind - Low1170.40.5126
Predominant Upwind - Low/Med894.90.6704
Predominant Upwind - Medium782.60.7667
Predominant Upwind - Med/High725.10.8275
Predominant Upwind - High707.60.8480
Predominant Downwind Low1230.40.4877
Predominant Downwind Low/Med890.70.6737
Predominant Downwind Medium741.50.8091
Predominant Downwind Med/High653.00.9189
Predominant Downwind High612.30.9799
Predominant Reaching Low1069.60.5610
Predominant Reaching Low/Med809.20.7415
Predominant Reaching Medium699.40.8579
Predominant Reaching Med/High636.90.9420
Predominant Reaching High608.70.9857
SA/DSPL Upwind17.26SA/DSPL Downwind17.26
Scoring OptionTODTOT
5-Band Windward/Leeward Low1486.30.4037
5-Band Windward/Leeward Low/Med1075.90.5577
5-Band Windward/Leeward Medium899.00.6674
5-Band Windward/Leeward Med/High799.30.7506
5-Band Windward/Leeward High764.80.7845
Windward/Leeward 60-40 Low1479.50.4055
Windward/Leeward 60-40 Low/Med1084.30.5533
Windward/Leeward 60-40 Medium916.90.6544
Windward/Leeward 60-40 Med/High825.80.7265
Windward/Leeward 60-40 High797.40.7525
5-Band AP Low1104.60.5432
5-Band AP Low/Med858.20.6991
5-Band AP Medium737.90.8131
5-Band AP Med/High671.30.8938
5-Band AP High644.20.9314
5-Band SF Bay Tour - Low1278.10.4694
5-Band SF Bay Tour - Low/Med1033.10.5808
5-Band SF Bay Tour - Medium873.50.6869
5-Band SF Bay Tour - Med/High786.20.7631
5-Band SF Bay Tour - High756.00.7937
Chicago-Mac Upwind0.6883
Chicago-Mac All Purpose0.7026
Chicago-Mac Downwind0.7100
Bayview-Mac Cove Island0.5071
Bayview-Mac Shore0.5120
Harvest Moon Regatta652.40.9197
Double HandedClub Certificate2025
Fomle 4NOR 16323
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIFMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.870Max. Beam2.200Draft1.207Displacement2,343Wetted area14.94IMS L6.044LSM05.931Acc. length7.150Sink (kg/mm) 7.95
VCGD-0.452VCGM-0.362RM Rated (kg·m) 30.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P8.750IG8.150ISP8.600MDT10.085MDL10.130MDT20.000MDL20.000TL0.000MW0.000GO0.000
E3.400J2.550BAS1.000FSD0.000SFJ0.390SPL2.680WPLTPS2.940BD0.000MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.452Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
Fomle 4NOR 16323
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment337-2024081811080.130.831.101.962.7216.7418/08/2024
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment337-2024081811140.020.420.851.752.713.677.70NoNo 13.8018/08/2024
CRUISER/RACER REQUIREMENTS*
Accommodation length7.2 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity12 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.