Club Certificate2025
IMPULSIONFRA-7856
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 Angles41.7°41.7°38.6°37.1°36.7°36.7°36.7°37.4°40.0°
Beat VMG2.633.554.164.384.464.514.544.534.35
52°4.125.285.866.056.156.216.276.326.27
60°4.355.485.986.216.316.406.476.566.55
75°4.475.596.076.386.566.706.826.997.05
90°4.365.516.076.446.746.987.177.527.74
110°4.015.256.026.506.917.287.578.128.79
120°3.825.075.896.396.867.337.898.9610.00
135°3.304.555.506.086.547.017.559.4812.41
150°2.683.844.865.656.166.607.048.1911.35
Run VMG2.333.334.224.975.596.056.457.289.83
Gybe Angles146.2°146.2°151.9°158.1°167.8°177.2°177.2°169.0°143.9°
APH ToD:618.7CDL: 6.630APH ToT: 0.9698CertNo:25394b
BOAT
ClassPROTOQUARTERTON79DesignerJOUBERT / NIVELTBuilderPICHAVANTAge date01/1979Series date01/1979Offset fileFRA7856_Rudder.offData fileF7856_25394b
HULL
Length Overall7.500 mMaximum Beam2.782 mDraft1.397 mDisplacement1,125 kgDLR5.7207IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight318 kg(default)Minimum weight188 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.6222.28Headsail Luffed19.3919.39Headsail FlyingSymmetric35.1935.19Asymmetric
STORM SAIL AREAS (m²)
Trysail5.88Storm Jib3.41Heavy Weather Jib9.19
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
2025: New Mainsail & Carb. Rudder (updated DSPL) / PROTO QUARTER TON 1979 FROM:1_4T 1975.dxt
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
IMPULSIONFRA-7856
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
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 VMG1370.11015.4865.7822.3806.5798.9793.5795.0827.9
52°873.0682.0614.4594.6585.8579.7574.6569.5574.5
60°828.0657.5601.7580.1570.3562.7556.3548.9549.4
75°805.4644.4592.7564.3548.5537.4527.8514.9510.4
90°825.2653.4593.3559.1533.9515.5502.0479.0465.4
110°898.3685.8598.2554.0521.0494.5475.5443.5409.6
120°942.4710.3611.6563.2524.9490.9456.1402.0359.8
135°1091.1791.5654.8591.8550.2513.7476.8379.9290.0
150°1341.4936.6740.2637.1584.0545.6511.6439.6317.2
Run VMG1548.31081.5853.5724.6644.0594.6558.1494.7366.3
Selected Courses
Windward / Leeward1457.81048.4859.6773.4725.3696.7675.8644.8597.1
All purpose1090.5812.6691.5636.9605.4583.5565.2533.1499.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward749.80.8002
All purpose618.70.9698
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7122
Downwind "popa"0.8483
70% up, 30% down "Ilhabela"0.7482
30% up, 70% down "Ilhabela-inverso"0.8023
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Predominantly Upwind666.40.9004
Predominantly Downwind625.60.9591
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low752.00.7978
Triple Number AP Medium617.70.9714
Triple Number AP High557.71.0758
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Single Number Predominant Upwind685.90.8748
Single Number Predominant Reaching609.00.9851
Single Number Predominant Downwind646.60.9279
Predominant Upwind - Low868.70.6907
Predominant Upwind - Low/Med707.00.8486
Predominant Upwind - Medium653.80.9177
Predominant Upwind - Med/High622.70.9636
Predominant Upwind - High603.10.9949
Predominant Downwind Low914.10.6564
Predominant Downwind Low/Med699.80.8573
Predominant Downwind Medium609.40.9845
Predominant Downwind Med/High542.61.1058
Predominant Downwind High483.21.2416
Predominant Reaching Low796.90.7530
Predominant Reaching Low/Med643.70.9322
Predominant Reaching Medium582.71.0298
Predominant Reaching Med/High535.71.1201
Predominant Reaching High494.91.2124
SA/DSPL Upwind37.90SA/DSPL Downwind52.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1103.90.5435
5-Band Windward/Leeward Low/Med837.20.7167
5-Band Windward/Leeward Medium735.60.8157
5-Band Windward/Leeward Med/High678.30.8846
5-Band Windward/Leeward High641.90.9347
Windward/Leeward 60-40 Low1096.50.5472
Windward/Leeward 60-40 Low/Med842.50.7122
Windward/Leeward 60-40 Medium750.80.7992
Windward/Leeward 60-40 Med/High701.80.8550
Windward/Leeward 60-40 High673.60.8907
5-Band AP Low824.10.7280
5-Band AP Low/Med677.40.8858
5-Band AP Medium610.80.9823
5-Band AP Med/High566.31.0596
5-Band AP High532.81.1262
5-Band SF Bay Tour - Low953.00.6296
5-Band SF Bay Tour - Low/Med802.60.7476
5-Band SF Bay Tour - Medium714.10.8402
5-Band SF Bay Tour - Med/High662.00.9064
5-Band SF Bay Tour - High626.00.9585
Chicago-Mac Upwind0.8548
Chicago-Mac All Purpose0.8779
Chicago-Mac Downwind0.8950
Bayview-Mac Cove Island0.6697
Bayview-Mac Shore0.6759
Harvest Moon Regatta536.61.1182
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance667.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating667.90.8983
FinRating, kevyt tuuli1085.30.9214
FinRating, kova tuuli531.50.9408
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8983
Triple Number Coastal/Long Distance Low0.7978
Triple Number Coastal/Long Distance Medium0.9715
Triple Number Coastal/Long Distance High1.0758
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
For information
General Purpose Handicap (GPH)684.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low752.1
Triple Number Coastal/Long Distance Medium617.6
Triple Number Coastal/Long Distance High557.7
Triple Number Windward/Leeward Low954.0
Triple Number Windward/Leeward Medium745.3
Triple Number Windward/Leeward High669.4
Predominantly Upwind666.4
Predominantly Downwind625.6
Predominantly Reaching602.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7978
Triple Number Coastal/Long Distance Medium0.9715
Triple Number Coastal/Long Distance High1.0758
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.8963
Coastal/Long Distance0.8983
Predominantly Upwind0.9004
Predominantly Downwind0.9591
For information
General Purpose Handicap (GPH)684.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9698
Distanseseilas Trippeltall svak vind0.7978
Distanseseilas Trippeltall mellomvind0.9715
Distanseseilas Trippeltall sterk vind1.0758
Pølsebane Trippeltall svak vind0.6289
Pølsebane Trippeltall mellomvind0.8050
Pølsebane Trippeltall sterk vind0.8963
Motvind Singeltall0.9004
Medvind Singeltall0.9591
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Coastal/Long Distance667.90.8983
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind666.40.9004
Predominantly Downwind625.60.9591
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore611.40.9813
Cape Doctor Coastal509.31.1780
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7978
Triple Number Coastal/Long Distance Medium0.9715
Triple Number Coastal/Long Distance High1.0758
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.8963
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7978
Triple Number Coastal/Long Distance Medium0.9715
Triple Number Coastal/Long Distance High1.0758
Triple Number Windward/Leeward Low0.6289
Triple Number Windward/Leeward Medium0.8050
Triple Number Windward/Leeward High0.8963
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Predominantly Upwind666.40.9004
Predominantly Downwind625.60.9591
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance667.90.8983
Triple Number Coastal/Long Distance Low752.10.7978
Triple Number Coastal/Long Distance Medium617.60.9715
Triple Number Coastal/Long Distance High557.71.0758
Triple Number Windward/Leeward Low954.00.6289
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1550.71051.8815.0707.0643.8604.7569.0506.4471.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low752.00.7978
Triple Number AP Medium617.70.9714
Triple Number AP High557.71.0758
Triple Number Windward/Leeward Low995.90.6025
Triple Number Windward/Leeward Medium745.30.8050
Triple Number Windward/Leeward High669.40.8963
Single Number Predominant Upwind685.90.8748
Single Number Predominant Reaching609.00.9851
Single Number Predominant Downwind646.60.9279
Predominant Upwind - Low868.70.6907
Predominant Upwind - Low/Med707.00.8486
Predominant Upwind - Medium653.80.9177
Predominant Upwind - Med/High622.70.9636
Predominant Upwind - High603.10.9949
Predominant Downwind Low914.10.6564
Predominant Downwind Low/Med699.80.8573
Predominant Downwind Medium609.40.9845
Predominant Downwind Med/High542.61.1058
Predominant Downwind High483.21.2416
Predominant Reaching Low796.90.7530
Predominant Reaching Low/Med643.70.9322
Predominant Reaching Medium582.71.0298
Predominant Reaching Med/High535.71.1201
Predominant Reaching High494.91.2124
SA/DSPL Upwind37.90SA/DSPL Downwind52.50
Scoring OptionTODTOT
5-Band Windward/Leeward Low1103.90.5435
5-Band Windward/Leeward Low/Med837.20.7167
5-Band Windward/Leeward Medium735.60.8157
5-Band Windward/Leeward Med/High678.30.8846
5-Band Windward/Leeward High641.90.9347
Windward/Leeward 60-40 Low1096.50.5472
Windward/Leeward 60-40 Low/Med842.50.7122
Windward/Leeward 60-40 Medium750.80.7992
Windward/Leeward 60-40 Med/High701.80.8550
Windward/Leeward 60-40 High673.60.8907
5-Band AP Low824.10.7280
5-Band AP Low/Med677.40.8858
5-Band AP Medium610.80.9823
5-Band AP Med/High566.31.0596
5-Band AP High532.81.1262
5-Band SF Bay Tour - Low953.00.6296
5-Band SF Bay Tour - Low/Med802.60.7476
5-Band SF Bay Tour - Medium714.10.8402
5-Band SF Bay Tour - Med/High662.00.9064
5-Band SF Bay Tour - High626.00.9585
Chicago-Mac Upwind0.8548
Chicago-Mac All Purpose0.8779
Chicago-Mac Downwind0.8950
Bayview-Mac Cove Island0.6697
Bayview-Mac Shore0.6759
Harvest Moon Regatta536.61.1182
Club Certificate2025
IMPULSIONFRA-7856
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPROTOQUARTERTON79MeasurementHIN1391Plan reviewHull constructionSolidCarbon rudderYesLight stanchionsNoTrim tabNo
LOA7.500Max. Beam2.782Draft1.397Displacement1,125Wetted area9.95IMS L6.403LSM05.814Acc. length7.500Sink (kg/mm) 7.84
VCGD0.098VCGM0.132RM Rated (kg·m) 22.4Limit of positive stability(°) N/AStability IndexN/ADefault crew weight318Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays2CheckstaysSpreaders2Rotating mastNo
P9.600IG8.250ISP8.750MDT10.070MDL10.080MDT20.070MDL20.065TL2.070MW0.080GO0.080
E3.500J2.800BAS0.850FSD0.022SFJ0.090SPL2.800WPLTPSBD0.092MWT36.70MCG3.037
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.098Flotation Date01/01/2013
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
IMPULSIONFRA-7856
Centre de Calcul FFVoile
17 rue Henri Bocquillon
75015 Paris
France
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.150.851.462.403.3021.6210/11/2025Race - New 2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG00.041.061.602.603.203.858.35NoNo 19.3905/05/2021Race
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS08.828.828.824.844.5835.1905/05/2021