International
Certificate
2023

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
Beat Angles43.5°41.2°38.4°37.6°37.0°36.9°36.8°
Beat VMG4.135.105.595.805.926.006.07
52°6.347.527.968.178.328.438.57
60°6.707.768.228.488.668.808.99
75°6.967.908.498.949.229.459.78
90°7.228.148.659.149.6910.0910.68
110°7.058.149.009.6710.2210.7411.67
120°6.707.988.859.7110.5911.3012.60
135°5.937.528.459.4310.5611.6113.48
150°4.976.357.508.419.2410.2913.19
Run VMG4.305.506.497.298.008.9111.43
Gybe Angles142.4°145.1°147.8°151.0°148.7°146.0°146.1°

APH: 462.8

CDL: 11.525

GPH: 519.2

CertNo: 56565

BOAT
ClassSchock 40DesignerDYNA YACHTSBuilderSCHOCKAge date08/2000Series date01/1999Offset fileschock40.offData fileUS56565
HULL
Length Overall12.202 mMaximum Beam3.036 mDraft2.505 mDisplacement3,677 kgDLR2.6593IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight680 kgMinimum weight510 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
Headsails6  Spinnakers5
STABILITY
Righting Moment73.7 kg·mStability Index100.0
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.
ORC Ref  04560002O3OIssued on 09/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

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
Beat VMG870.8705.7643.8620.4608.0599.9593.0
52°568.1478.9452.4440.6433.0427.1420.1
60°537.1464.0438.1424.7415.6409.0400.4
75°517.2455.8423.9402.8390.5381.1368.2
90°498.4442.1416.3394.0371.7356.9337.1
110°510.8442.1400.1372.1352.2335.3308.6
120°537.5451.0406.6370.7340.0318.7285.8
135°607.6478.6426.1381.8340.8310.1267.0
150°724.3566.6480.0428.1389.7350.0272.9
Run VMG836.3654.3554.3493.7450.0404.2315.1
Selected Courses
Windward / Leeward853.5680.0599.1557.1529.0502.0454.0
All purpose649.9534.2481.6450.7428.0408.8377.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward576.31.0411
All purpose462.81.2964
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9048
Downwind "popa"1.1328
70% up, 30% down "Ilhabela"0.9630
30% up, 70% down "Ilhabela-inverso"1.0532
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Predominantly Upwind506.31.1851
Predominantly Downwind462.91.2961
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low592.01.0135
Triple Number All Purpose Medium462.31.2979
Triple Number All Purpose High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Predominantly Upwind506.31.1851
Predominantly Downwind462.91.2961
Predominantly Upwind Low659.50.9097
Predominantly Upwind Medium528.31.1358
Predominantly Upwind High494.21.2141
Predominantly Downwind Low648.00.9259
Predominantly Downwind Medium462.21.2981
Predominantly Downwind High360.11.6661
Chicago-Mac Upwind1.1634
Chicago-Mac All Purpose1.2117
Chicago-Mac Downwind1.2683
Bayview-Mac Cove Island1.1280
Bayview-Mac Shore1.1361
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching434.31.3814
Predominantly Reaching Low531.41.1291
Predominantly Reaching Medium432.71.3867
Predominantly Reaching High366.91.6355
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low840.20.7141
5-Band Low / Medium701.70.8551
5-Band Medium565.01.0620
5-Band Medium / High503.11.1925
5-Band High462.31.2978
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance504.6
Triple Number Coastal/Long Distance Low592.0
Triple Number Coastal/Long Distance Medium462.3
Triple Number Coastal/Long Distance High402.0
Triple Number Windward/Leeward Low766.8
Triple Number Windward/Leeward Medium574.3
Triple Number Windward/Leeward High490.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0135
Triple Number Coastal/Long Distance Medium1.2979
Triple Number Coastal/Long Distance High1.4927
Triple Number Windward/Leeward Low0.7825
Triple Number Windward/Leeward Medium1.0448
Triple Number Windward/Leeward High1.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low592.0
Triple Number Coastal/Long Distance Medium462.3
Triple Number Coastal/Long Distance High402.0
Triple Number Windward/Leeward Low766.8
Triple Number Windward/Leeward Medium574.3
Triple Number Windward/Leeward High490.8
Predominantly Upwind506.3
Predominantly Downwind462.9
Predominantly Reaching443.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0135
Triple Number Coastal/Long Distance Medium1.2979
Triple Number Coastal/Long Distance High1.4927
Triple Number Windward/Leeward Low0.7825
Triple Number Windward/Leeward Medium1.0448
Triple Number Windward/Leeward High1.2226
Coastal/Long Distance1.1891
Predominantly Upwind1.1851
Predominantly Downwind1.2961
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0135
Tretall Distanseseilas Mellomvind1.2979
Tretall Distanseseilas Mye vind1.4927
Tretall Pølsebane Lite vind0.7825
Tretall Pølsebane Mellomvind1.0448
Tretall Pølsebane Mye vind1.2226
Distanseseilas ett tall (OSN 8-16kn)1.1891
Distanseseilas ett tall (APH 6-20kn)1.2964
Enkeltall Motvind1.1851
Enkeltall Medvind1.2961
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Coastal/Long Distance504.61.1891
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind506.31.1851
Predominantly Downwind462.91.2961
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore468.41.2809
Cape Doctor Coastal387.11.5501
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0135
Triple Number Coastal/Long Distance Medium1.2979
Triple Number Coastal/Long Distance High1.4927
Triple Number Windward/Leeward Low0.7825
Triple Number Windward/Leeward Medium1.0448
Triple Number Windward/Leeward High1.2226
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0135
Triple Number Coastal/Long Distance Medium1.2979
Triple Number Coastal/Long Distance High1.4927
Triple Number Windward/Leeward Low0.7825
Triple Number Windward/Leeward Medium1.0448
Triple Number Windward/Leeward High1.2226
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Predominantly Upwind506.31.1851
Predominantly Downwind462.91.2961
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance504.61.1891
Triple Number Coastal/Long Distance Low592.01.0135
Triple Number Coastal/Long Distance Medium462.31.2979
Triple Number Coastal/Long Distance High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance851.8640.2541.5483.1445.4412.0357.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low592.01.0135
Triple Number All Purpose Medium462.31.2979
Triple Number All Purpose High402.01.4927
Triple Number Windward/Leeward Low766.80.7825
Triple Number Windward/Leeward Medium574.31.0448
Triple Number Windward/Leeward High490.81.2226
Predominantly Upwind506.31.1851
Predominantly Downwind462.91.2961
Predominantly Upwind Low659.50.9097
Predominantly Upwind Medium528.31.1358
Predominantly Upwind High494.21.2141
Predominantly Downwind Low648.00.9259
Predominantly Downwind Medium462.21.2981
Predominantly Downwind High360.11.6661
Chicago-Mac Upwind1.1634
Chicago-Mac All Purpose1.2117
Chicago-Mac Downwind1.2683
Bayview-Mac Cove Island1.1280
Bayview-Mac Shore1.1361
Harvest Moon Regatta388.11.5458
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy477.91.2555
San Francisco Bay Medium561.91.0677
Predominantly Reaching434.31.3814
Predominantly Reaching Low531.41.1291
Predominantly Reaching Medium432.71.3867
Predominantly Reaching High366.91.6355
Windward/Leeward 60-40 Low771.10.7781
Windward/Leeward 60-40 Medium594.01.0101
Windward/Leeward 60-40 High527.71.1370
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low840.20.7141
5-Band Low / Medium701.70.8551
5-Band Medium565.01.0620
5-Band Medium / High503.11.1925
5-Band High462.31.2978
ORC Ref  04560002O3OIssued on 09/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

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
LOA12.202Max. Beam3.036Draft2.505Displacement3,677Wetted area23.20IMS L11.466LSM011.139Acc. length9.867Sink (kg/mm) 18.04
VCGD0.068VCGM0.043RM Rated (kg·m) 73.7Limit of positive stability(°) 98.9Stability Index100.0BLR index0.7996
List angle20.0Canting keel angle52.0
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/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 Date02/07/2012MeasurerComment
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
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1FuelFuel441710.070.10Total deductible1410.070.10
Total deductible
ORC Ref  04560002O3OIssued on 09/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

International
Certificate
2023

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
ORC Ref  04560002O3OIssued on 09/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org