Club Certificate2025
BliksemNED 1989
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 Angles43.0°43.0°41.1°39.0°37.5°37.2°37.2°38.0°40.0°
Beat VMG2.303.143.794.244.474.554.594.584.46
52°3.574.775.575.996.196.286.336.386.36
60°3.815.025.756.126.336.456.516.586.60
75°3.955.155.866.236.486.676.806.967.04
90°3.835.125.966.356.566.766.987.357.58
110°3.855.146.006.456.807.117.417.898.39
120°3.674.965.876.366.767.137.558.619.65
135°3.214.445.416.116.526.917.318.5311.20
150°2.593.734.765.616.196.576.937.759.68
Run VMG2.233.234.124.895.576.056.417.098.39
Gybe Angles146.9°146.9°151.6°154.6°163.9°172.7°177.2°177.5°141.9°
APH ToD:628.7CDL: 6.855APH ToT: 0.9544CertNo:
BOAT
ClassX-79DesignerN. JeppesenBuilderX-YachtsAge date03/1987Series date01/1979Offset filex79.od.offData fileNED1989
HULL
Length Overall7.927 mMaximum Beam2.860 mDraft1.384 mDisplacement1,847 kgDLR7.0827IMS DivisionPerformanceDynamic Allowance0.160%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight363 kg(default)Minimum weight233 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.7821.19Headsail Luffed16.8616.86Headsail FlyingSymmetric46.8746.87Asymmetric
STORM SAIL AREAS (m²)
Trysail6.13Storm Jib4.25Heavy Weather Jib11.46
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.
Club Certificate2025
BliksemNED 1989
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 VMG1565.51145.4950.6848.9804.5790.7784.7786.1807.8
52°1007.6754.3645.9601.3581.5573.2568.8564.6565.9
60°943.8717.8625.6588.3569.1558.5553.1546.7545.4
75°911.1698.7614.0577.6555.7540.0529.1517.4511.2
90°938.9703.7604.5567.1548.6532.7516.0490.1474.7
110°935.0700.1600.1558.3529.7506.3485.9456.1428.9
120°980.8725.4613.6565.7532.8505.0477.1418.0373.2
135°1122.3811.2664.8589.4552.2521.1492.6421.9321.6
150°1391.9966.0756.9641.6581.7548.3519.5464.6371.7
Run VMG1611.91115.4872.9736.3645.9595.0561.2507.9429.3
Selected Courses
Windward / Leeward1586.61130.4911.7792.6725.2692.9673.0647.0618.5
All purpose1193.0870.2721.7647.8607.9585.6568.8541.4512.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward762.00.7874
All purpose628.70.9544
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6873
Downwind "popa"0.8342
70% up, 30% down "Ilhabela"0.7256
30% up, 70% down "Ilhabela-inverso"0.7839
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Predominantly Upwind679.50.8830
Predominantly Downwind636.00.9433
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low795.90.7538
Triple Number AP Medium625.20.9597
Triple Number AP High562.71.0663
Triple Number Windward/Leeward Low1065.90.5629
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Single Number Predominant Upwind705.30.8507
Single Number Predominant Reaching626.00.9584
Single Number Predominant Downwind661.80.9066
Predominant Upwind - Low952.10.6302
Predominant Upwind - Low/Med738.00.8130
Predominant Upwind - Medium659.40.9100
Predominant Upwind - Med/High622.50.9638
Predominant Upwind - High604.90.9920
Predominant Downwind Low960.80.6245
Predominant Downwind Low/Med716.70.8371
Predominant Downwind Medium615.10.9755
Predominant Downwind Med/High550.81.0892
Predominant Downwind High502.01.1952
Predominant Reaching Low851.70.7044
Predominant Reaching Low/Med661.70.9068
Predominant Reaching Medium590.01.0170
Predominant Reaching Med/High544.71.1016
Predominant Reaching High508.91.1791
SA/DSPL Upwind24.96SA/DSPL Downwind44.85
Scoring OptionTODTOT
5-Band Windward/Leeward Low1190.30.5041
5-Band Windward/Leeward Low/Med874.40.6862
5-Band Windward/Leeward Medium742.30.8083
5-Band Windward/Leeward Med/High676.30.8871
5-Band Windward/Leeward High646.60.9280
Windward/Leeward 60-40 Low1192.60.5031
Windward/Leeward 60-40 Low/Med883.90.6788
Windward/Leeward 60-40 Medium757.80.7917
Windward/Leeward 60-40 Med/High698.60.8589
Windward/Leeward 60-40 High675.20.8887
5-Band AP Low875.90.6850
5-Band AP Low/Med700.70.8563
5-Band AP Medium617.00.9724
5-Band AP Med/High570.31.0521
5-Band AP High541.11.1088
5-Band SF Bay Tour - Low1026.10.5847
5-Band SF Bay Tour - Low/Med838.00.7160
5-Band SF Bay Tour - Medium720.50.8327
5-Band SF Bay Tour - Med/High661.90.9065
5-Band SF Bay Tour - High632.10.9492
Chicago-Mac Upwind0.8273
Chicago-Mac All Purpose0.8531
Chicago-Mac Downwind0.8743
Bayview-Mac Cove Island0.6308
Bayview-Mac Shore0.6357
Harvest Moon Regatta549.41.0922
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance681.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8807
Triple Number Coastal/Long Distance Low0.7538
Triple Number Coastal/Long Distance Medium0.9598
Triple Number Coastal/Long Distance High1.0663
Triple Number Windward/Leeward Low0.5876
Triple Number Windward/Leeward Medium0.7946
Triple Number Windward/Leeward High0.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
For information
General Purpose Handicap (GPH)703.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low796.0
Triple Number Coastal/Long Distance Medium625.1
Triple Number Coastal/Long Distance High562.7
Triple Number Windward/Leeward Low1021.1
Triple Number Windward/Leeward Medium755.1
Triple Number Windward/Leeward High668.2
Predominantly Upwind679.5
Predominantly Downwind636.0
Predominantly Reaching613.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7538
Triple Number Coastal/Long Distance Medium0.9598
Triple Number Coastal/Long Distance High1.0663
Triple Number Windward/Leeward Low0.5876
Triple Number Windward/Leeward Medium0.7946
Triple Number Windward/Leeward High0.8979
Coastal/Long Distance0.8807
Predominantly Upwind0.8830
Predominantly Downwind0.9433
For information
General Purpose Handicap (GPH)703.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9544
Distanseseilas Trippeltall svak vind0.7538
Distanseseilas Trippeltall mellomvind0.9598
Distanseseilas Trippeltall sterk vind1.0663
Pølsebane Trippeltall svak vind0.5876
Pølsebane Trippeltall mellomvind0.7946
Pølsebane Trippeltall sterk vind0.8979
Motvind Singeltall0.8830
Medvind Singeltall0.9433
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Coastal/Long Distance681.30.8807
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind679.50.8830
Predominantly Downwind636.00.9433
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore627.10.9568
Cape Doctor Coastal521.21.1512
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7538
Triple Number Coastal/Long Distance Medium0.9598
Triple Number Coastal/Long Distance High1.0663
Triple Number Windward/Leeward Low0.5876
Triple Number Windward/Leeward Medium0.7946
Triple Number Windward/Leeward High0.8979
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7538
Triple Number Coastal/Long Distance Medium0.9598
Triple Number Coastal/Long Distance High1.0663
Triple Number Windward/Leeward Low0.5876
Triple Number Windward/Leeward Medium0.7946
Triple Number Windward/Leeward High0.8979
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Predominantly Upwind679.50.8830
Predominantly Downwind636.00.9433
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.30.8807
Triple Number Coastal/Long Distance Low796.00.7538
Triple Number Coastal/Long Distance Medium625.10.9598
Triple Number Coastal/Long Distance High562.71.0663
Triple Number Windward/Leeward Low1021.10.5876
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1684.51128.9859.4721.7645.6607.0574.4515.1485.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low795.90.7538
Triple Number AP Medium625.20.9597
Triple Number AP High562.71.0663
Triple Number Windward/Leeward Low1065.90.5629
Triple Number Windward/Leeward Medium755.10.7946
Triple Number Windward/Leeward High668.20.8979
Single Number Predominant Upwind705.30.8507
Single Number Predominant Reaching626.00.9584
Single Number Predominant Downwind661.80.9066
Predominant Upwind - Low952.10.6302
Predominant Upwind - Low/Med738.00.8130
Predominant Upwind - Medium659.40.9100
Predominant Upwind - Med/High622.50.9638
Predominant Upwind - High604.90.9920
Predominant Downwind Low960.80.6245
Predominant Downwind Low/Med716.70.8371
Predominant Downwind Medium615.10.9755
Predominant Downwind Med/High550.81.0892
Predominant Downwind High502.01.1952
Predominant Reaching Low851.70.7044
Predominant Reaching Low/Med661.70.9068
Predominant Reaching Medium590.01.0170
Predominant Reaching Med/High544.71.1016
Predominant Reaching High508.91.1791
SA/DSPL Upwind24.96SA/DSPL Downwind44.85
Scoring OptionTODTOT
5-Band Windward/Leeward Low1190.30.5041
5-Band Windward/Leeward Low/Med874.40.6862
5-Band Windward/Leeward Medium742.30.8083
5-Band Windward/Leeward Med/High676.30.8871
5-Band Windward/Leeward High646.60.9280
Windward/Leeward 60-40 Low1192.60.5031
Windward/Leeward 60-40 Low/Med883.90.6788
Windward/Leeward 60-40 Medium757.80.7917
Windward/Leeward 60-40 Med/High698.60.8589
Windward/Leeward 60-40 High675.20.8887
5-Band AP Low875.90.6850
5-Band AP Low/Med700.70.8563
5-Band AP Medium617.00.9724
5-Band AP Med/High570.31.0521
5-Band AP High541.11.1088
5-Band SF Bay Tour - Low1026.10.5847
5-Band SF Bay Tour - Low/Med838.00.7160
5-Band SF Bay Tour - Medium720.50.8327
5-Band SF Bay Tour - Med/High661.90.9065
5-Band SF Bay Tour - High632.10.9492
Chicago-Mac Upwind0.8273
Chicago-Mac All Purpose0.8531
Chicago-Mac Downwind0.8743
Bayview-Mac Cove Island0.6308
Bayview-Mac Shore0.6357
Harvest Moon Regatta549.41.0922
Club Certificate2025
BliksemNED 1989
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-79Measurement01/01/2000HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.927Max. Beam2.860Draft1.384Displacement1,847Wetted area13.28IMS L6.819LSM06.388Acc. length7.927Sink (kg/mm) 10.16
VCGD0.016VCGM0.083RM Rated (kg·m) 40.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight363Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders1Rotating mastNo
P10.000IG9.210ISP9.450MDT10.080MDL10.120MDT20.052MDL20.065TL1.900MW0.120GO0.120
E3.500J2.750BAS1.190FSDSFJ0.000SPL2.830WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date15/04/2022
SFFP0.509FFM0.844FF0.850LCFcl4.383SG1.0000
SAFP7.625FAM0.742FA0.746LCFsh4.606HBI0.803
BALLAST
TANKS
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGA1op spiegel   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Miscellaneousop spiegelTotal deductible
Club Certificate2025
BliksemNED 1989
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20230.130.731.302.242.9520.78
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20240.040.460.901.862.914.008.74NoNo 16.86
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC9.229.229.226.404.9046.87