International
Certificate
2024

Boat

Relentless

US 56565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.6°41.4°38.4°37.5°37.0°36.8°36.3°37.2°
Beat VMG4.125.085.595.805.936.036.156.08
52°6.307.497.948.168.318.448.638.65
60°6.667.738.198.458.658.809.049.12
75°6.907.878.468.909.189.429.8010.03
90°7.028.038.499.099.6310.0210.6811.14
110°6.898.048.889.5410.0510.5211.5612.71
120°6.617.968.829.6110.4411.1412.3813.27
135°5.907.508.429.3810.5011.5313.4915.91
150°4.956.337.488.389.1910.2113.0516.66
Run VMG4.295.486.477.277.968.8411.3014.43
Gybe Angles142.4°144.9°147.6°151.2°148.5°145.8°145.8°149.9°
APH ToD:464.7CDL: 11.549APH ToT: 1.2910CertNo:56565
BOAT
ClassSchock 40DesignerDYNA YACHTSBuilderSCHOCKAge date08/2000Series date01/1999Offset fileschock40.offData fileUS56565
HULL
Length Overall12.198 mMaximum Beam3.036 mDraft2.505 mDisplacement3,677 kgDLR2.6593IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight680 kg(declared)Minimum weight550 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.1050.17Headsail Luffed28.6928.69Headsail FlyingSymmetricAsymmetric149.20149.20 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail12.88Storm Jib8.56Heavy Weather Jib23.11
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting Moment73.7 kg·mStability Index99.1
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.

International
Certificate
2024

Boat

Relentless

US 56565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG874.7709.3644.6620.2606.7597.4585.5591.7
52°571.5480.8453.2441.2433.1426.8417.3416.1
60°540.5465.7439.4425.8416.3409.1398.4394.9
75°521.5457.4425.6404.6392.3382.3367.5358.9
90°512.8448.1424.1395.9374.0359.1337.2323.2
110°522.7447.5405.4377.3358.3342.0311.6283.3
120°544.7452.2408.2374.8344.7323.3290.8271.2
135°609.8480.2427.7383.8342.9312.3266.9226.2
150°726.7568.9481.5429.7391.8352.6275.8216.1
Run VMG839.2657.0556.0495.4452.4407.1318.5249.5
Selected Courses
Windward / Leeward856.9683.1600.3557.8529.5502.2452.0420.6
All purpose655.4537.2483.9452.3429.6410.2377.0355.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward577.31.0393
All purpose464.71.2910
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9055
Downwind "popa"1.1273
70% up, 30% down "Ilhabela"0.9623
30% up, 70% down "Ilhabela-inverso"1.0502
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Predominantly Upwind507.61.1821
Predominantly Downwind465.01.2904
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low596.31.0062
Triple Number AP Medium464.31.2923
Triple Number AP High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Single Number Predominant Upwind506.01.1858
Single Number Predominant Reaching440.21.3629
Single Number Predominant Downwind466.21.2869
Predominant Upwind - Low657.60.9125
Predominant Upwind - Low/Med553.41.0841
Predominant Upwind - Medium494.31.2139
Predominant Upwind - Med/High458.41.3088
Predominant Upwind - High436.71.3739
Predominant Downwind Low654.90.9162
Predominant Downwind Low/Med533.11.1255
Predominant Downwind Medium451.51.3289
Predominant Downwind Med/High386.81.5512
Predominant Downwind High338.01.7754
Predominant Reaching Low581.71.0314
Predominant Reaching Low/Med490.31.2238
Predominant Reaching Medium429.91.3955
Predominant Reaching Med/High383.01.5664
Predominant Reaching High351.81.7054
SA/DSPL Upwind32.10SA/DSPL Downwind82.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low817.50.7340
5-Band Windward/Leeward Low/Med661.00.9077
5-Band Windward/Leeward Medium565.91.0602
5-Band Windward/Leeward Med/High503.11.1927
5-Band Windward/Leeward High455.31.3180
Windward/Leeward 60-40 Low821.40.7305
Windward/Leeward 60-40 Low/Med668.30.8977
Windward/Leeward 60-40 Medium578.21.0377
Windward/Leeward 60-40 Med/High522.21.1489
Windward/Leeward 60-40 High481.91.2450
5-Band AP Low628.60.9545
5-Band AP Low/Med523.31.1466
5-Band AP Medium457.31.3120
5-Band AP Med/High411.41.4584
5-Band AP High379.01.5832
5-Band SF Bay Tour - Low775.80.7734
5-Band SF Bay Tour - Low/Med631.10.9508
5-Band SF Bay Tour - Medium544.01.1029
5-Band SF Bay Tour - Med/High487.21.2316
5-Band SF Bay Tour - High446.11.3448
Chicago-Mac Upwind1.1604
Chicago-Mac All Purpose1.2071
Chicago-Mac Downwind1.2626
Bayview-Mac Cove Island1.1217
Bayview-Mac Shore1.1306
Harvest Moon Regatta391.01.5345
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance506.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0062
Triple Number Coastal/Long Distance Medium1.2925
Triple Number Coastal/Long Distance High1.4904
Triple Number Windward/Leeward Low0.7792
Triple Number Windward/Leeward Medium1.0428
Triple Number Windward/Leeward High1.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low596.3
Triple Number Coastal/Long Distance Medium464.2
Triple Number Coastal/Long Distance High402.6
Triple Number Windward/Leeward Low770.0
Triple Number Windward/Leeward Medium575.4
Triple Number Windward/Leeward High490.2
Predominantly Upwind507.6
Predominantly Downwind465.0
Predominantly Reaching445.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0062
Triple Number Coastal/Long Distance Medium1.2925
Triple Number Coastal/Long Distance High1.4904
Triple Number Windward/Leeward Low0.7792
Triple Number Windward/Leeward Medium1.0428
Triple Number Windward/Leeward High1.2239
Coastal/Long Distance1.1848
Predominantly Upwind1.1821
Predominantly Downwind1.2904
For information
General Purpose Handicap (GPH)521.9
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0062
Tretall Distanseseilas Mellomvind1.2925
Tretall Distanseseilas Mye vind1.4904
Tretall Pølsebane Lite vind0.7792
Tretall Pølsebane Mellomvind1.0428
Tretall Pølsebane Mye vind1.2239
Distanseseilas ett tall1.2910
Enkeltall Motvind1.1821
Enkeltall Medvind1.2904
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Coastal/Long Distance506.41.1848
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind507.61.1821
Predominantly Downwind465.01.2904
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore430.01.3953
Cape Doctor Coastal361.91.6581
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0062
Triple Number Coastal/Long Distance Medium1.2925
Triple Number Coastal/Long Distance High1.4904
Triple Number Windward/Leeward Low0.7792
Triple Number Windward/Leeward Medium1.0428
Triple Number Windward/Leeward High1.2239
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0062
Triple Number Coastal/Long Distance Medium1.2925
Triple Number Coastal/Long Distance High1.4904
Triple Number Windward/Leeward Low0.7792
Triple Number Windward/Leeward Medium1.0428
Triple Number Windward/Leeward High1.2239
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Predominantly Upwind507.61.1821
Predominantly Downwind465.01.2904
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance506.41.1848
Triple Number Coastal/Long Distance Low596.31.0062
Triple Number Coastal/Long Distance Medium464.21.2925
Triple Number Coastal/Long Distance High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance855.1643.2543.2484.5446.9413.4357.7336.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low596.31.0062
Triple Number AP Medium464.31.2923
Triple Number AP High402.61.4904
Triple Number Windward/Leeward Low770.00.7792
Triple Number Windward/Leeward Medium575.41.0428
Triple Number Windward/Leeward High490.21.2239
Single Number Predominant Upwind506.01.1858
Single Number Predominant Reaching440.21.3629
Single Number Predominant Downwind466.21.2869
Predominant Upwind - Low657.60.9125
Predominant Upwind - Low/Med553.41.0841
Predominant Upwind - Medium494.31.2139
Predominant Upwind - Med/High458.41.3088
Predominant Upwind - High436.71.3739
Predominant Downwind Low654.90.9162
Predominant Downwind Low/Med533.11.1255
Predominant Downwind Medium451.51.3289
Predominant Downwind Med/High386.81.5512
Predominant Downwind High338.01.7754
Predominant Reaching Low581.71.0314
Predominant Reaching Low/Med490.31.2238
Predominant Reaching Medium429.91.3955
Predominant Reaching Med/High383.01.5664
Predominant Reaching High351.81.7054
SA/DSPL Upwind32.10SA/DSPL Downwind82.46
Scoring OptionTODTOT
5-Band Windward/Leeward Low817.50.7340
5-Band Windward/Leeward Low/Med661.00.9077
5-Band Windward/Leeward Medium565.91.0602
5-Band Windward/Leeward Med/High503.11.1927
5-Band Windward/Leeward High455.31.3180
Windward/Leeward 60-40 Low821.40.7305
Windward/Leeward 60-40 Low/Med668.30.8977
Windward/Leeward 60-40 Medium578.21.0377
Windward/Leeward 60-40 Med/High522.21.1489
Windward/Leeward 60-40 High481.91.2450
5-Band AP Low628.60.9545
5-Band AP Low/Med523.31.1466
5-Band AP Medium457.31.3120
5-Band AP Med/High411.41.4584
5-Band AP High379.01.5832
5-Band SF Bay Tour - Low775.80.7734
5-Band SF Bay Tour - Low/Med631.10.9508
5-Band SF Bay Tour - Medium544.01.1029
5-Band SF Bay Tour - Med/High487.21.2316
5-Band SF Bay Tour - High446.11.3448
Chicago-Mac Upwind1.1604
Chicago-Mac All Purpose1.2071
Chicago-Mac Downwind1.2626
Bayview-Mac Cove Island1.1217
Bayview-Mac Shore1.1306
Harvest Moon Regatta391.01.5345

International
Certificate
2024

Boat

Relentless

US 56565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSchock 40Measurement07/02/2012HINPlan reviewHull constructionLightCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.198Max. Beam3.036Draft2.505Displacement3,677Wetted area23.20IMS L11.504LSM011.139Acc. length9.867Sink (kg/mm) 18.04
VCGD0.068VCGM0.043RM Rated (kg·m) 73.7Limit of positive stability(°) 98.1Stability Index99.1BLR index0.7827Default crew weight803Declared crew weight680
List angle20.0Canting keel angle52.0
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays1Spreaders2Rotating mastNo
P13.564IG12.866ISP15.152MDT10.104MDL10.174MDT20.077MDL20.135TL1.433MW0.135GO0.202
E5.426J4.054BAS1.406FSDSFJ0.650SPL0.000WPLTPS6.798BD0.153MWT151.96MCG5.030
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date02/07/2012
SFFP0.730FFM1.101FF1.106LCFcl6.807SG1.0000
SAFP11.850FAM0.832FA0.839LCFsh6.972HBI1.022
W152.2W252.2W352.2W452.2
PD1279.0PD2279.0PD3279.0PD4279.0
WD11.202PLM2029.30GSA91.6RSA6939.8RM73.5
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
1Fuel4410.070.100.8400
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FuelFuel441710.070.10Total deductible1410.070.10
Total deductible

International
Certificate
2024

Boat

Relentless

US 56565

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.191.402.544.014.8148.10
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.080.621.172.263.334.3412.84NoNo 28.69
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment017.7015.1116.4110.8311.2596%149.20016.4814.7315.616.738.8976%93.14