Double HandedClub Certificate2025
ObelixFIN 3551
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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°39.9°38.8°38.5°39.3°39.5°40.5°43.6°
Beat VMG2.723.654.274.534.634.674.694.654.42
52°4.205.476.196.486.596.656.696.726.64
60°4.445.706.376.666.786.846.906.956.92
75°4.595.856.506.827.017.127.217.337.37
90°4.475.766.486.857.117.317.487.717.86
110°4.155.546.466.937.267.537.728.068.34
120°3.975.366.336.877.257.607.958.549.08
135°3.434.795.876.597.047.447.848.9110.98
150°2.804.025.126.036.667.087.478.3510.01
Run VMG2.423.484.445.255.966.506.927.658.67
Gybe Angles145.3°145.3°150.5°154.3°162.4°169.8°177.2°177.7°147.3°
APH ToD:587.7CDL: 7.711APH ToT: 1.0210CertNo:
BOAT
ClassX-3/4 TONDesignerNIEL JEPPESENBuilderX YACHTSAge date01/1984Series date01/1984Offset fileCICCIXVI.OFFData fileFIN3551
HULL
Length Overall10.020 mMaximum Beam3.388 mDraft1.801 mDisplacement3,400 kgDLR7.3181IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.350m
CREW
Maximum weight170 kg(declared)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.1134.93Headsail Luffed28.6728.67Headsail FlyingSymmetric63.5763.57Asymmetric
STORM SAIL AREAS (m²)
Trysail9.87Storm Jib6.81Heavy Weather Jib18.39
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
ObelixFIN 3551
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
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 VMG1321.5985.7843.6795.1778.2771.6767.4773.6814.0
52°856.3658.5582.0555.7546.3541.5537.9535.7542.2
60°811.6631.6565.1540.8531.3526.0521.8517.8519.9
75°784.5614.9553.9528.1513.7505.7499.6491.2488.5
90°804.7624.5555.9525.2506.2492.2481.4466.8458.0
110°867.6649.7557.1519.6496.2478.1466.4446.8431.7
120°907.1671.8568.6524.1496.6473.8452.8421.7396.4
135°1048.3752.3613.6546.4511.2484.1459.2403.9327.9
150°1286.6895.2703.2597.0540.3508.2481.6431.1359.7
Run VMG1486.81033.6811.7685.5604.3554.0520.3470.5415.3
Selected Courses
Windward / Leeward1401.81009.7827.7740.3691.3662.8643.9622.0614.7
All purpose1054.7779.3657.1602.0572.3554.2540.6520.6506.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward716.70.8371
All purpose587.71.0210
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7349
Downwind "popa"0.8975
70% up, 30% down "Ilhabela"0.7771
30% up, 70% down "Ilhabela-inverso"0.8416
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind634.10.9463
Predominantly Downwind590.71.0157
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low718.20.8354
Triple Number AP Medium584.81.0260
Triple Number AP High536.51.1184
Triple Number Windward/Leeward Low958.50.6260
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Single Number Predominant Upwind655.10.9159
Single Number Predominant Reaching579.41.0356
Single Number Predominant Downwind614.60.9762
Predominant Upwind - Low837.40.7165
Predominant Upwind - Low/Med674.00.8902
Predominant Upwind - Medium620.50.9669
Predominant Upwind - Med/High594.51.0093
Predominant Upwind - High583.91.0276
Predominant Downwind Low874.80.6859
Predominant Downwind Low/Med661.40.9072
Predominant Downwind Medium573.51.0462
Predominant Downwind Med/High517.11.1604
Predominant Downwind High478.01.2553
Predominant Reaching Low763.60.7858
Predominant Reaching Low/Med607.60.9875
Predominant Reaching Medium549.31.0923
Predominant Reaching Med/High512.41.1709
Predominant Reaching High486.51.2333
SA/DSPL Upwind27.66SA/DSPL Downwind43.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1062.80.5645
5-Band Windward/Leeward Low/Med803.50.7467
5-Band Windward/Leeward Medium702.10.8546
5-Band Windward/Leeward Med/High647.40.9268
5-Band Windward/Leeward High624.50.9607
Windward/Leeward 60-40 Low1057.10.5676
Windward/Leeward 60-40 Low/Med810.40.7404
Windward/Leeward 60-40 Medium718.50.8350
Windward/Leeward 60-40 Med/High671.90.8929
Windward/Leeward 60-40 High655.50.9153
5-Band AP Low789.20.7603
5-Band AP Low/Med643.20.9329
5-Band AP Medium578.61.0370
5-Band AP Med/High542.21.1067
5-Band AP High521.61.1503
5-Band SF Bay Tour - Low917.40.6540
5-Band SF Bay Tour - Low/Med769.20.7801
5-Band SF Bay Tour - Medium681.20.8808
5-Band SF Bay Tour - Med/High634.60.9455
5-Band SF Bay Tour - High613.00.9788
Chicago-Mac Upwind0.8950
Chicago-Mac All Purpose0.9219
Chicago-Mac Downwind0.9433
Bayview-Mac Cove Island0.6980
Bayview-Mac Shore0.7044
Harvest Moon Regatta512.31.1711
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance636.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating636.60.9424
FinRating, kevyt tuuli1044.00.9579
FinRating, kova tuuli524.20.9538
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9424
Triple Number Coastal/Long Distance Low0.8354
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1184
Triple Number Windward/Leeward Low0.6531
Triple Number Windward/Leeward Medium0.8429
Triple Number Windward/Leeward High0.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
For information
General Purpose Handicap (GPH)651.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low718.2
Triple Number Coastal/Long Distance Medium584.7
Triple Number Coastal/Long Distance High536.5
Triple Number Windward/Leeward Low918.7
Triple Number Windward/Leeward Medium711.8
Triple Number Windward/Leeward High640.4
Predominantly Upwind634.1
Predominantly Downwind590.7
Predominantly Reaching569.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8354
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1184
Triple Number Windward/Leeward Low0.6531
Triple Number Windward/Leeward Medium0.8429
Triple Number Windward/Leeward High0.9369
Coastal/Long Distance0.9424
Predominantly Upwind0.9463
Predominantly Downwind1.0157
For information
General Purpose Handicap (GPH)651.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0210
Distanseseilas Trippeltall svak vind0.8354
Distanseseilas Trippeltall mellomvind1.0261
Distanseseilas Trippeltall sterk vind1.1184
Pølsebane Trippeltall svak vind0.6531
Pølsebane Trippeltall mellomvind0.8429
Pølsebane Trippeltall sterk vind0.9369
Motvind Singeltall0.9463
Medvind Singeltall1.0157
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Coastal/Long Distance636.60.9424
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind634.10.9463
Predominantly Downwind590.71.0157
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore616.90.9726
Cape Doctor Coastal510.81.1747
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8354
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1184
Triple Number Windward/Leeward Low0.6531
Triple Number Windward/Leeward Medium0.8429
Triple Number Windward/Leeward High0.9369
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8354
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1184
Triple Number Windward/Leeward Low0.6531
Triple Number Windward/Leeward Medium0.8429
Triple Number Windward/Leeward High0.9369
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Predominantly Upwind634.10.9463
Predominantly Downwind590.71.0157
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance636.60.9424
Triple Number Coastal/Long Distance Low718.20.8354
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High536.51.1184
Triple Number Windward/Leeward Low918.70.6531
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1493.91012.1781.8672.4610.0574.9544.9495.7479.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low718.20.8354
Triple Number AP Medium584.81.0260
Triple Number AP High536.51.1184
Triple Number Windward/Leeward Low958.50.6260
Triple Number Windward/Leeward Medium711.80.8429
Triple Number Windward/Leeward High640.40.9369
Single Number Predominant Upwind655.10.9159
Single Number Predominant Reaching579.41.0356
Single Number Predominant Downwind614.60.9762
Predominant Upwind - Low837.40.7165
Predominant Upwind - Low/Med674.00.8902
Predominant Upwind - Medium620.50.9669
Predominant Upwind - Med/High594.51.0093
Predominant Upwind - High583.91.0276
Predominant Downwind Low874.80.6859
Predominant Downwind Low/Med661.40.9072
Predominant Downwind Medium573.51.0462
Predominant Downwind Med/High517.11.1604
Predominant Downwind High478.01.2553
Predominant Reaching Low763.60.7858
Predominant Reaching Low/Med607.60.9875
Predominant Reaching Medium549.31.0923
Predominant Reaching Med/High512.41.1709
Predominant Reaching High486.51.2333
SA/DSPL Upwind27.66SA/DSPL Downwind43.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1062.80.5645
5-Band Windward/Leeward Low/Med803.50.7467
5-Band Windward/Leeward Medium702.10.8546
5-Band Windward/Leeward Med/High647.40.9268
5-Band Windward/Leeward High624.50.9607
Windward/Leeward 60-40 Low1057.10.5676
Windward/Leeward 60-40 Low/Med810.40.7404
Windward/Leeward 60-40 Medium718.50.8350
Windward/Leeward 60-40 Med/High671.90.8929
Windward/Leeward 60-40 High655.50.9153
5-Band AP Low789.20.7603
5-Band AP Low/Med643.20.9329
5-Band AP Medium578.61.0370
5-Band AP Med/High542.21.1067
5-Band AP High521.61.1503
5-Band SF Bay Tour - Low917.40.6540
5-Band SF Bay Tour - Low/Med769.20.7801
5-Band SF Bay Tour - Medium681.20.8808
5-Band SF Bay Tour - Med/High634.60.9455
5-Band SF Bay Tour - High613.00.9788
Chicago-Mac Upwind0.8950
Chicago-Mac All Purpose0.9219
Chicago-Mac Downwind0.9433
Bayview-Mac Cove Island0.6980
Bayview-Mac Shore0.7044
Harvest Moon Regatta512.31.1711
Double HandedClub Certificate2025
ObelixFIN 3551
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-3/4 TONMeasurementHINPlan reviewHull constructionLightCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.020Max. Beam3.388Draft1.801Displacement3,400Wetted area18.88IMS L8.058LSM07.744Acc. length10.020Sink (kg/mm) 14.27
VCGD0.018VCGM0.032RM Rated (kg·m) 81.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weight170
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.350PBWPIPA0.0040
PSD0.025PHD0.063PHL0.105
PSA18.0°ESL0.860
ST10.023ST20.077ST30.077
ST40.047ST50.230
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P12.450IG11.670ISP11.670MDT10.088MDL10.133MDT20.060MDL20.070TL3.150MW0.140GO0.140
E4.530J3.370BAS1.450FSD0.027SFJSPL3.490WPLTPS0.000BD0.160MWT108.00MCG3.820
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date14/03/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
ObelixFIN 3551
Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.211.031.772.963.8434.11
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.040.581.142.433.765.1211.54NoNo 28.67
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment111.7011.7011.706.606.2063.57