International
Certificate
Non Spinnaker
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°38.8°38.1°37.6°38.2°38.7°
Beat VMG4.215.015.405.605.705.765.76
52°6.347.347.767.948.058.118.17
60°6.657.597.998.188.298.378.45
75°6.867.758.198.468.648.788.94
90°6.737.688.208.578.889.139.49
110°6.017.137.858.348.789.219.94
120°5.436.717.638.188.639.0910.11
135°4.665.946.987.738.248.689.64
150°3.885.056.127.027.728.219.08
Run VMG3.364.385.306.156.927.588.50
Gybe Angles142.1°147.8°152.3°158.6°167.6°176.6°177.5°

APH: 514.0

CDL: 11.268

GPH: 577.2

CertNo: US7131

BOAT
ClassSWAN 42DesignerFRERSBuilderSWANAge date07/2006Series date01/2006Offset fileSWAN42CLUB-USA4206A.offData fileUS6424NS
HULL
Length Overall12.960 mMaximum Beam3.910 mDraft2.750 mDisplacement7,791 kgDLR4.9919IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.435m
CREW
Maximum weight410 kgMinimum weight308 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail59.3160.46Headsail Luffed49.9249.92Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail17.43Storm Jib16.52Heavy Weather Jib44.59
SAIL LIMITS
Headsails6  Spinnakers0 * Spinnaker pole aboard
STABILITY
Righting Moment226.6 kg·mStability Index140.8
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.
ORC Ref  04560002QHJIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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 VMG855.9718.6666.1643.2631.6625.3624.7
52°567.4490.3463.9453.3447.4443.7440.8
60°541.4474.1450.5440.3434.3430.3426.1
75°525.2464.7439.8425.5416.5410.1402.5
90°535.2468.5439.2420.2405.6394.1379.5
110°598.7505.1458.7431.5410.0390.8362.3
120°663.2536.3472.0439.9416.9396.0356.0
135°772.3605.9515.6465.4437.1414.6373.3
150°927.8712.2588.7512.5466.2438.6396.6
Run VMG1071.3822.4678.7585.5520.2474.9423.5
Selected Courses
Windward / Leeward963.6770.5672.4614.4575.9550.1524.1
All purpose726.5596.2532.8496.9473.8457.7437.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward640.40.9369
All purpose514.01.1674
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8813
Downwind "popa"0.9177
70% up, 30% down "Ilhabela"0.8920
30% up, 70% down "Ilhabela-inverso"0.9065
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Predominantly Upwind542.41.1062
Predominantly Downwind540.41.1103
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low661.40.9072
Triple Number All Purpose Medium511.41.1733
Triple Number All Purpose High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Predominantly Upwind542.41.1062
Predominantly Downwind540.41.1103
Predominantly Upwind Low698.80.8587
Predominantly Upwind Medium551.71.0876
Predominantly Upwind High523.91.1453
Predominantly Downwind Low778.10.7711
Predominantly Downwind Medium548.11.0947
Predominantly Downwind High440.51.3621
Chicago-Mac Upwind1.0872
Chicago-Mac All Purpose1.0864
Chicago-Mac Downwind1.0865
Bayview-Mac Cove Island1.0226
Bayview-Mac Shore1.0452
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching486.31.2338
Predominantly Reaching Low603.50.9942
Predominantly Reaching Medium485.51.2358
Predominantly Reaching High424.61.4129
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low948.80.6324
5-Band Low / Medium791.60.7580
5-Band Medium625.20.9597
5-Band Medium / High555.51.0801
5-Band High528.61.1351
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance563.0
Triple Number Coastal/Long Distance Low661.4
Triple Number Coastal/Long Distance Medium511.4
Triple Number Coastal/Long Distance High454.0
Triple Number Windward/Leeward Low867.1
Triple Number Windward/Leeward Medium637.1
Triple Number Windward/Leeward High546.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9072
Triple Number Coastal/Long Distance Medium1.1733
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.6920
Triple Number Windward/Leeward Medium0.9418
Triple Number Windward/Leeward High1.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low661.4
Triple Number Coastal/Long Distance Medium511.4
Triple Number Coastal/Long Distance High454.0
Triple Number Windward/Leeward Low867.1
Triple Number Windward/Leeward Medium637.1
Triple Number Windward/Leeward High546.8
Predominantly Upwind542.4
Predominantly Downwind540.4
Predominantly Reaching505.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9072
Triple Number Coastal/Long Distance Medium1.1733
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.6920
Triple Number Windward/Leeward Medium0.9418
Triple Number Windward/Leeward High1.0973
Coastal/Long Distance1.0657
Predominantly Upwind1.1062
Predominantly Downwind1.1103
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9072
Tretall Distanseseilas Mellomvind1.1733
Tretall Distanseseilas Mye vind1.3216
Tretall Pølsebane Lite vind0.6920
Tretall Pølsebane Mellomvind0.9418
Tretall Pølsebane Mye vind1.0973
Distanseseilas ett tall (OSN 8-16kn)1.0657
Distanseseilas ett tall (APH 6-20kn)1.1674
Enkeltall Motvind1.1062
Enkeltall Medvind1.1103
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Coastal/Long Distance563.01.0657
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind542.41.1062
Predominantly Downwind540.41.1103
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore531.91.1280
Cape Doctor Coastal443.21.3537
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9072
Triple Number Coastal/Long Distance Medium1.1733
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.6920
Triple Number Windward/Leeward Medium0.9418
Triple Number Windward/Leeward High1.0973
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9072
Triple Number Coastal/Long Distance Medium1.1733
Triple Number Coastal/Long Distance High1.3216
Triple Number Windward/Leeward Low0.6920
Triple Number Windward/Leeward Medium0.9418
Triple Number Windward/Leeward High1.0973
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Predominantly Upwind542.41.1062
Predominantly Downwind540.41.1103
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance563.01.0657
Triple Number Coastal/Long Distance Low661.40.9072
Triple Number Coastal/Long Distance Medium511.41.1733
Triple Number Coastal/Long Distance High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance974.4725.9603.8531.7492.5462.7415.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low661.40.9072
Triple Number All Purpose Medium511.41.1733
Triple Number All Purpose High454.01.3216
Triple Number Windward/Leeward Low867.10.6920
Triple Number Windward/Leeward Medium637.10.9418
Triple Number Windward/Leeward High546.81.0973
Predominantly Upwind542.41.1062
Predominantly Downwind540.41.1103
Predominantly Upwind Low698.80.8587
Predominantly Upwind Medium551.71.0876
Predominantly Upwind High523.91.1453
Predominantly Downwind Low778.10.7711
Predominantly Downwind Medium548.11.0947
Predominantly Downwind High440.51.3621
Chicago-Mac Upwind1.0872
Chicago-Mac All Purpose1.0864
Chicago-Mac Downwind1.0865
Bayview-Mac Cove Island1.0226
Bayview-Mac Shore1.0452
Harvest Moon Regatta444.31.3504
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy536.41.1185
San Francisco Bay Medium626.60.9575
Predominantly Reaching486.31.2338
Predominantly Reaching Low603.50.9942
Predominantly Reaching Medium485.51.2358
Predominantly Reaching High424.61.4129
Windward/Leeward 60-40 Low851.10.7050
Windward/Leeward 60-40 Medium643.00.9332
Windward/Leeward 60-40 High574.01.0453
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low948.80.6324
5-Band Low / Medium791.60.7580
5-Band Medium625.20.9597
5-Band Medium / High555.51.0801
5-Band High528.61.1351
ORC Ref  04560002QHJIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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. Beam3.910Draft2.750Displacement7,791Wetted area33.39IMS L11.756LSM011.598Acc. length12.707Sink (kg/mm) 24.57
VCGD-0.341VCGM-0.357RM Rated (kg·m) 226.6Limit of positive stability(°) 137.9Stability Index140.8
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
E5.760J4.975BAS1.955FSD0.036SFJ0.340SPL3.658WPLTPS7.349BD0.205MWT253.00MCG5.934
Flying Headsail Foretriangles IdISPTPS119.4857.349
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date06/10/2022MeasurerComment
SFFP0.474FFM1.442FF1.454LCFcl7.179SG1.0240
SAFP12.543FAM1.110FA1.110LCFsh7.431HBI1.238
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
ORC Ref  04560002QHJIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
Non Spinnaker
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.DateCommentJ10.090.811.502.733.955.3518.34YesNo 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
ORC Ref  04560002QHJIssued on 19/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org