Club
Certificate
2023

Boat

EPIC CIRCUS

USA 636

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 Angles43.2°40.8°39.0°37.6°37.0°36.6°37.0°
Beat VMG3.424.214.785.095.235.315.36
52°5.226.226.847.137.287.377.46
60°5.506.477.017.317.497.607.72
75°5.676.627.157.497.767.968.19
90°5.736.807.327.597.858.168.64
110°5.796.937.538.018.418.719.28
120°5.636.807.468.018.549.069.99
135°5.056.297.137.698.258.8610.45
150°4.275.436.417.087.507.898.99
Run VMG3.704.715.556.136.496.957.79
Gybe Angles143.3°147.4°148.7°150.1°149.3°173.9°142.6°

APH: 549.2

CDL: 9.278

GPH: 617.1

CertNo: USA636

BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/2004Series date07/1991Offset fileH204+.OFFData fileUSA636
HULL
Length Overall10.570 mMaximum Beam3.346 mDraft2.001 mDisplacement3,893 kgDLR4.4865IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight474 kgMinimum weight356 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail33.6934.39Headsail Luffed24.8824.88Headsail FlyingSymmetricAsymmetric89.5989.59 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.86Storm Jib7.62Heavy Weather Jib20.57
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
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  03330002NFOIssued on 01/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

EPIC CIRCUS

USA 636

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 VMG1051.4854.8753.5707.1688.7678.6671.5
52°689.9578.4526.7504.6494.6488.7482.8
60°655.1556.8513.3492.5480.6473.9466.4
75°634.7543.5503.5480.7464.0452.1439.6
90°628.5529.2491.7474.5458.5441.0416.7
110°621.4519.8478.1449.6428.1413.5388.1
120°639.2529.1482.4449.3421.6397.4360.3
135°712.6572.4505.2468.3436.2406.5344.7
150°843.3662.5562.0508.5480.1456.1400.3
Run VMG973.7765.0649.0587.1554.3518.2462.2
Selected Courses
Windward / Leeward1012.6809.9701.2647.1621.5598.4566.9
All purpose780.0637.0566.4530.2509.0491.7464.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward678.50.8843
All purpose549.21.0924
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7770
Downwind "popa"0.9314
70% up, 30% down "Ilhabela"0.8176
30% up, 70% down "Ilhabela-inverso"0.8790
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Predominantly Upwind595.51.0075
Predominantly Downwind556.71.0778
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low708.50.8468
Triple Number All Purpose Medium545.91.0991
Triple Number All Purpose High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Predominantly Upwind595.51.0075
Predominantly Downwind556.71.0778
Predominantly Upwind Low794.40.7553
Predominantly Upwind Medium614.60.9763
Predominantly Upwind High570.01.0527
Predominantly Downwind Low766.70.7825
Predominantly Downwind Medium553.21.0845
Predominantly Downwind High464.01.2931
Chicago-Mac Upwind0.9898
Chicago-Mac All Purpose1.0216
Chicago-Mac Downwind1.0600
Bayview-Mac Cove Island0.9470
Bayview-Mac Shore0.9549
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching521.41.1507
Predominantly Reaching Low639.40.9383
Predominantly Reaching Medium516.71.1613
Predominantly Reaching High450.11.3329
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low997.00.6018
5-Band Low / Medium831.00.7220
5-Band Medium661.40.9072
5-Band Medium / High601.10.9981
5-Band High572.31.0484
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance597.1
Triple Number Coastal/Long Distance Low708.5
Triple Number Coastal/Long Distance Medium545.9
Triple Number Coastal/Long Distance High485.8
Triple Number Windward/Leeward Low911.3
Triple Number Windward/Leeward Medium672.3
Triple Number Windward/Leeward High592.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2352
Triple Number Windward/Leeward Low0.6584
Triple Number Windward/Leeward Medium0.8924
Triple Number Windward/Leeward High1.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low708.5
Triple Number Coastal/Long Distance Medium545.9
Triple Number Coastal/Long Distance High485.8
Triple Number Windward/Leeward Low911.3
Triple Number Windward/Leeward Medium672.3
Triple Number Windward/Leeward High592.4
Predominantly Upwind595.5
Predominantly Downwind556.7
Predominantly Reaching533.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2352
Triple Number Windward/Leeward Low0.6584
Triple Number Windward/Leeward Medium0.8924
Triple Number Windward/Leeward High1.0129
Coastal/Long Distance1.0048
Predominantly Upwind1.0075
Predominantly Downwind1.0778
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8468
Tretall Distanseseilas Mellomvind1.0991
Tretall Distanseseilas Mye vind1.2352
Tretall Pølsebane Lite vind0.6584
Tretall Pølsebane Mellomvind0.8924
Tretall Pølsebane Mye vind1.0129
Distanseseilas ett tall (OSN 8-16kn)1.0048
Distanseseilas ett tall (APH 6-20kn)1.0924
Enkeltall Motvind1.0075
Enkeltall Medvind1.0778
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Coastal/Long Distance597.11.0048
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind595.51.0075
Predominantly Downwind556.71.0778
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore576.31.0411
Cape Doctor Coastal472.51.2699
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2352
Triple Number Windward/Leeward Low0.6584
Triple Number Windward/Leeward Medium0.8924
Triple Number Windward/Leeward High1.0129
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8468
Triple Number Coastal/Long Distance Medium1.0991
Triple Number Coastal/Long Distance High1.2352
Triple Number Windward/Leeward Low0.6584
Triple Number Windward/Leeward Medium0.8924
Triple Number Windward/Leeward High1.0129
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Predominantly Upwind595.51.0075
Predominantly Downwind556.71.0778
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.11.0048
Triple Number Coastal/Long Distance Low708.50.8468
Triple Number Coastal/Long Distance Medium545.91.0991
Triple Number Coastal/Long Distance High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1008.7761.8634.8565.2528.7496.4443.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low708.50.8468
Triple Number All Purpose Medium545.91.0991
Triple Number All Purpose High485.81.2352
Triple Number Windward/Leeward Low911.30.6584
Triple Number Windward/Leeward Medium672.30.8924
Triple Number Windward/Leeward High592.41.0129
Predominantly Upwind595.51.0075
Predominantly Downwind556.71.0778
Predominantly Upwind Low794.40.7553
Predominantly Upwind Medium614.60.9763
Predominantly Upwind High570.01.0527
Predominantly Downwind Low766.70.7825
Predominantly Downwind Medium553.21.0845
Predominantly Downwind High464.01.2931
Chicago-Mac Upwind0.9898
Chicago-Mac All Purpose1.0216
Chicago-Mac Downwind1.0600
Bayview-Mac Cove Island0.9470
Bayview-Mac Shore0.9549
Harvest Moon Regatta475.41.2621
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy572.51.0481
San Francisco Bay Medium662.00.9063
Predominantly Reaching521.41.1507
Predominantly Reaching Low639.40.9383
Predominantly Reaching Medium516.71.1613
Predominantly Reaching High450.11.3329
Windward/Leeward 60-40 Low919.60.6524
Windward/Leeward 60-40 Medium692.10.8670
Windward/Leeward 60-40 High621.60.9652
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low997.00.6018
5-Band Low / Medium831.00.7220
5-Band Medium661.40.9072
5-Band Medium / High601.10.9981
5-Band High572.31.0484
ORC Ref  03330002NFOIssued on 01/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

EPIC CIRCUS

USA 636

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.570Max. Beam3.346Draft2.001Displacement3,893Wetted area22.97IMS L9.636LSM09.537Acc. length10.570Sink (kg/mm) 17.32
VCGD-0.078VCGM-0.093RM Rated (kg·m) 100.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.381PBW0.098PIPA0.0031
PSD0.025PHD0.049PHL0.138
PSA16.5°ESL0.915
ST10.019ST20.092ST30.092
ST40.046ST50.186
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.650IG12.223ISP12.604MDT10.101MDL10.165MDT20.101MDL20.101TL1.899MW0.165GO0.205
E4.450J4.131BAS1.552FSD0.029SFJ0.000SPL0.000WPLTPS5.820BD0.129MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.078Flotation Date01/01/2020MeasurerComment
SFFP0.966FFMFF1.135LCFcl6.011SG1.0230
SAFP10.056FAMFA0.729LCFsh6.245HBI0.933
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002NFOIssued on 01/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

EPIC CIRCUS

USA 636

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentQ Main0.160.931.672.893.7833.6918/01/2023113412
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentClass Jib0.080.561.042.023.074.1512.06YesNo 24.8818/01/2023173437
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentclass spi15.1312.1013.627.977.60105%89.5918/01/2023173438
ORC Ref  03330002NFOIssued on 01/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org