International
Certificate
2023

Boat

ENTROPY

USA 4235

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 Angles42.4°40.0°38.2°37.2°37.0°36.9°37.0°
Beat VMG4.195.055.545.765.885.956.00
52°6.357.377.858.058.178.258.32
60°6.817.658.048.278.408.498.60
75°7.237.978.298.508.738.889.08
90°7.298.088.528.849.089.269.60
110°6.907.878.458.879.309.7310.56
120°6.557.798.448.979.459.8210.62
135°5.917.308.138.719.319.9811.70
150°4.996.287.368.098.559.0010.31
Run VMG4.325.446.377.027.417.798.93
Gybe Angles143.3°146.0°149.6°151.4°150.2°148.0°143.9°

APH: 479.9

CDL: 11.649

GPH: 533.6

CertNo: US7131

BOAT
ClassSWAN 42DesignerFRERSBuilderSWANAge date07/2006Series date01/2006Offset fileSWAN42CLUB-USA4206.offData fileUS6424
HULL
Length Overall12.960 mMaximum Beam3.910 mDraft2.745 mDisplacement7,802 kgDLR4.9995IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight900 kgMinimum weight675 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail59.3160.46Headsail Luffed49.9249.92Headsail Flying97.4397.43SymmetricAsymmetric185.48185.48 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail17.43Storm Jib16.52Heavy Weather Jib44.59
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment226.6 kg·mStability Index138.1
COMMENTS
Fixed bowsprit summer 2022
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
2023

Boat

ENTROPY

USA 4235

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 VMG860.1712.9650.0625.2612.5604.8600.2
52°567.1488.5458.6447.0440.6436.6432.5
60°528.4470.8447.6435.3428.7424.0418.8
75°498.1451.7434.3423.5412.4405.4396.4
90°493.8445.7422.8407.3396.6388.9375.1
110°521.8457.3426.1406.0386.9370.0341.0
120°549.6462.1426.6401.4380.9366.5338.9
135°609.0492.8442.9413.3386.6360.8307.7
150°721.6573.0489.1445.2421.1400.0349.2
Run VMG833.2661.6564.8512.7486.1461.9403.2
Selected Courses
Windward / Leeward846.7687.2607.4569.0549.3533.4501.7
All purpose646.2541.5492.6467.3451.2438.2414.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward591.51.0144
All purpose479.91.2502
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9002
Downwind "popa"1.0705
70% up, 30% down "Ilhabela"0.9453
30% up, 70% down "Ilhabela-inverso"1.0130
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Predominantly Upwind517.61.1591
Predominantly Downwind484.71.2379
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low593.91.0103
Triple Number All Purpose Medium477.91.2555
Triple Number All Purpose High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Predominantly Upwind517.61.1591
Predominantly Downwind484.71.2379
Predominantly Upwind Low661.00.9078
Predominantly Upwind Medium536.41.1185
Predominantly Upwind High507.91.1812
Predominantly Downwind Low651.10.9215
Predominantly Downwind Medium483.21.2417
Predominantly Downwind High410.41.4619
Chicago-Mac Upwind1.1405
Chicago-Mac All Purpose1.1769
Chicago-Mac Downwind1.2184
Bayview-Mac Cove Island1.1066
Bayview-Mac Shore1.1136
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching452.71.3254
Predominantly Reaching Low535.41.1207
Predominantly Reaching Medium448.91.3366
Predominantly Reaching High399.41.5022
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low834.40.7191
5-Band Low / Medium705.70.8502
5-Band Medium578.91.0364
5-Band Medium / High533.71.1242
5-Band High507.21.1830
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance521.5
Triple Number Coastal/Long Distance Low593.9
Triple Number Coastal/Long Distance Medium477.9
Triple Number Coastal/Long Distance High432.4
Triple Number Windward/Leeward Low767.0
Triple Number Windward/Leeward Medium586.7
Triple Number Windward/Leeward High525.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0103
Triple Number Coastal/Long Distance Medium1.2555
Triple Number Coastal/Long Distance High1.3877
Triple Number Windward/Leeward Low0.7823
Triple Number Windward/Leeward Medium1.0226
Triple Number Windward/Leeward High1.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low593.9
Triple Number Coastal/Long Distance Medium477.9
Triple Number Coastal/Long Distance High432.4
Triple Number Windward/Leeward Low767.0
Triple Number Windward/Leeward Medium586.7
Triple Number Windward/Leeward High525.5
Predominantly Upwind517.6
Predominantly Downwind484.7
Predominantly Reaching463.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0103
Triple Number Coastal/Long Distance Medium1.2555
Triple Number Coastal/Long Distance High1.3877
Triple Number Windward/Leeward Low0.7823
Triple Number Windward/Leeward Medium1.0226
Triple Number Windward/Leeward High1.1418
Coastal/Long Distance1.1505
Predominantly Upwind1.1591
Predominantly Downwind1.2379
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0103
Tretall Distanseseilas Mellomvind1.2555
Tretall Distanseseilas Mye vind1.3877
Tretall Pølsebane Lite vind0.7823
Tretall Pølsebane Mellomvind1.0226
Tretall Pølsebane Mye vind1.1418
Distanseseilas ett tall (OSN 8-16kn)1.1505
Distanseseilas ett tall (APH 6-20kn)1.2502
Enkeltall Motvind1.1591
Enkeltall Medvind1.2379
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Coastal/Long Distance521.51.1505
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind517.61.1591
Predominantly Downwind484.71.2379
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore511.21.1737
Cape Doctor Coastal421.31.4243
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0103
Triple Number Coastal/Long Distance Medium1.2555
Triple Number Coastal/Long Distance High1.3877
Triple Number Windward/Leeward Low0.7823
Triple Number Windward/Leeward Medium1.0226
Triple Number Windward/Leeward High1.1418
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0103
Triple Number Coastal/Long Distance Medium1.2555
Triple Number Coastal/Long Distance High1.3877
Triple Number Windward/Leeward Low0.7823
Triple Number Windward/Leeward Medium1.0226
Triple Number Windward/Leeward High1.1418
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Predominantly Upwind517.61.1591
Predominantly Downwind484.71.2379
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance521.51.1505
Triple Number Coastal/Long Distance Low593.91.0103
Triple Number Coastal/Long Distance Medium477.91.2555
Triple Number Coastal/Long Distance High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance845.3647.4550.8497.5468.3443.6399.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low593.91.0103
Triple Number All Purpose Medium477.91.2555
Triple Number All Purpose High432.41.3877
Triple Number Windward/Leeward Low767.00.7823
Triple Number Windward/Leeward Medium586.71.0226
Triple Number Windward/Leeward High525.51.1418
Predominantly Upwind517.61.1591
Predominantly Downwind484.71.2379
Predominantly Upwind Low661.00.9078
Predominantly Upwind Medium536.41.1185
Predominantly Upwind High507.91.1812
Predominantly Downwind Low651.10.9215
Predominantly Downwind Medium483.21.2417
Predominantly Downwind High410.41.4619
Chicago-Mac Upwind1.1405
Chicago-Mac All Purpose1.1769
Chicago-Mac Downwind1.2184
Bayview-Mac Cove Island1.1066
Bayview-Mac Shore1.1136
Harvest Moon Regatta418.71.4331
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy508.71.1795
San Francisco Bay Medium576.01.0416
Predominantly Reaching452.71.3254
Predominantly Reaching Low535.41.1207
Predominantly Reaching Medium448.91.3366
Predominantly Reaching High399.41.5022
Windward/Leeward 60-40 Low770.90.7784
Windward/Leeward 60-40 Medium604.00.9933
Windward/Leeward 60-40 High552.51.0859
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low834.40.7191
5-Band Low / Medium705.70.8502
5-Band Medium578.91.0364
5-Band Medium / High533.71.1242
5-Band High507.21.1830

International
Certificate
2023

Boat

ENTROPY

USA 4235

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 42Measurement06/10/2022HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA12.960Max. Beam3.910Draft2.745Displacement7,802Wetted area33.39IMS L11.890LSM011.598Acc. length12.707Sink (kg/mm) 24.57
VCGD-0.344VCGM-0.360RM Rated (kg·m) 226.6Limit of positive stability(°) 135.1Stability Index138.1
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.435PBW0.109PIPA0.0040
EDL1.920ST10.070ST20.180
ST30.180ST40.110ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P17.285IG18.030ISP19.485MDT10.135MDL10.256MDT20.104MDL20.188TL0.865MW0.264GO0.303
E5.760J4.975BAS1.955FSD0.036SFJ0.340SPLWPLTPS7.349BD0.205MWT253.00MCG5.934
Flying Headsail Foretriangles IdISPTPS119.4857.349
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date06/10/2022MeasurerComment
SFFP0.474FFM1.442FF1.454LCFcl7.179SG1.0240
SAFP12.543FAM1.110FA1.110LCFsh7.431HBI1.237
W1107.4W2107.4W3107.4W4107.4
PD1452.7PD2452.7PD3452.7PD4452.7
WD12.150PLM9000.00GSA1.0RSA1.0RM227.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG5Water PVC Under stbd settee8006.800.004Water PVC Under port settee8006.800.003Waste PVC Port side5503.700.002Fuel PVC Under stbd setteeFuel70705.800.001Fuel PVC Under port setteeFuel70705.800.00Total deductible1185.800.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousVoltage inverter, outboard stbd side157.400.302Battery12V AGM group 24 engine, stbd centerline2010.000.001Battery2x 12V AGM house batteries, centerline606.300.001EngineVolvo D2-40Total deductible0

International
Certificate
2023

Boat

ENTROPY

USA 4235

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain 20220.151.352.273.674.7659.3105/12/2022OUS 146394-001Main 20210.151.342.283.664.7659.2805/12/2022OUS 142136-004
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentCode 680.081.532.965.487.208.2620.00NoYes197.4314/05/2021J10.090.811.502.733.955.3518.34YesNo 49.9228/05/2021J1J20.060.771.462.673.845.2918.05YesNo 48.0305/12/2022142136-006J30.070.651.232.433.725.2018.80YesNo 47.2505/12/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA222.1617.7219.9411.1911.05101%185.4802/06/2021