Club
Certificate
2024

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 24 kt
Beat Angles43.4°41.0°39.2°37.5°36.8°36.7°36.6°37.2°
Beat VMG3.414.204.785.125.275.365.455.43
52°5.206.216.847.157.317.417.527.55
60°5.486.467.017.327.517.637.777.83
75°5.666.627.157.497.777.988.228.36
90°5.726.807.337.617.858.168.658.96
110°5.796.927.538.018.428.739.309.86
120°5.636.807.468.008.539.0610.0110.96
135°5.046.287.127.688.248.8310.3813.32
150°4.265.426.407.077.497.878.7211.52
Run VMG3.694.705.546.126.496.947.759.98
Gybe Angles143.3°147.0°148.7°149.8°149.4°173.9°175.3°140.5°
APH ToD:548.7CDL: 9.347APH ToT: 1.0934CertNo:USA636
BOAT
ClassJ 105DesignerJOHNSTONEBuilderTILLOTSON-PEARSONAge date07/2004Series date07/1991Offset fileJ105.offData fileUSA636
HULL
Length Overall10.570 mMaximum Beam3.344 mDraft2.002 mDisplacement3,899 kgDLR4.4935IMS DivisionPerformanceDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.381m
CREW
Maximum weight474 kg(declared)Minimum weight344 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.

Club
Certificate
2024

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 24 kt
Beat VMG1054.6856.4753.3703.6683.1671.6661.0662.8
52°691.8579.3526.7503.7492.4486.1479.0476.9
60°656.8557.4513.4491.8479.2471.9463.2459.9
75°636.2544.0503.6480.6463.5451.1437.9430.7
90°629.4529.3491.2473.2458.8441.1416.0401.6
110°621.9519.9478.0449.4427.6412.5387.2365.2
120°639.9529.4482.6449.8422.0397.4359.8328.6
135°713.6573.2505.4468.9437.1407.9346.7270.2
150°844.9663.8562.9509.0480.7457.2412.9312.4
Run VMG975.6766.5650.0587.8555.1519.1464.5360.7
Selected Courses
Windward / Leeward1015.1811.5701.7645.7619.1595.3562.7511.8
All purpose781.7637.9566.6529.4507.8490.0463.0429.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward677.40.8857
All purpose548.71.0934
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7801
Downwind "popa"0.9295
70% up, 30% down "Ilhabela"0.8197
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 Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Predominantly Upwind594.51.0093
Predominantly Downwind557.01.0772
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low709.80.8453
Triple Number AP Medium545.51.0999
Triple Number AP High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Single Number Predominant Upwind593.51.0110
Single Number Predominant Reaching525.21.1425
Single Number Predominant Downwind557.71.0759
Predominant Upwind - Low789.90.7596
Predominant Upwind - Low/Med654.80.9163
Predominant Upwind - Medium575.01.0434
Predominant Upwind - Med/High534.51.1225
Predominant Upwind - High512.41.1711
Predominant Downwind Low773.90.7753
Predominant Downwind Low/Med628.90.9541
Predominant Downwind Medium538.51.1143
Predominant Downwind Med/High479.61.2512
Predominant Downwind High431.41.3908
Predominant Reaching Low696.40.8616
Predominant Reaching Low/Med580.21.0341
Predominant Reaching Medium510.81.1747
Predominant Reaching Med/High465.81.2882
Predominant Reaching High431.01.3920
SA/DSPL Upwind23.54SA/DSPL Downwind49.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low968.90.6193
5-Band Windward/Leeward Low/Med778.30.7709
5-Band Windward/Leeward Medium660.20.9088
5-Band Windward/Leeward Med/High598.11.0031
5-Band Windward/Leeward High559.51.0723
Windward/Leeward 60-40 Low977.00.6141
Windward/Leeward 60-40 Low/Med788.00.7615
Windward/Leeward 60-40 Medium671.90.8930
Windward/Leeward 60-40 Med/High613.40.9782
Windward/Leeward 60-40 High580.31.0340
5-Band AP Low749.10.8010
5-Band AP Low/Med617.90.9710
5-Band AP Medium537.71.1158
5-Band AP Med/High491.81.2200
5-Band AP High461.81.2992
5-Band SF Bay Tour - Low921.30.6512
5-Band SF Bay Tour - Low/Med744.20.8062
5-Band SF Bay Tour - Medium635.00.9449
5-Band SF Bay Tour - Med/High577.41.0392
5-Band SF Bay Tour - High541.71.1076
Chicago-Mac Upwind0.9913
Chicago-Mac All Purpose1.0220
Chicago-Mac Downwind1.0593
Bayview-Mac Cove Island0.9463
Bayview-Mac Shore0.9544
Harvest Moon Regatta475.91.2607
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance596.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8453
Triple Number Coastal/Long Distance Medium1.1000
Triple Number Coastal/Long Distance High1.2388
Triple Number Windward/Leeward Low0.6570
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low709.8
Triple Number Coastal/Long Distance Medium545.5
Triple Number Coastal/Long Distance High484.3
Triple Number Windward/Leeward Low913.2
Triple Number Windward/Leeward Medium671.5
Triple Number Windward/Leeward High589.0
Predominantly Upwind594.5
Predominantly Downwind557.0
Predominantly Reaching533.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8453
Triple Number Coastal/Long Distance Medium1.1000
Triple Number Coastal/Long Distance High1.2388
Triple Number Windward/Leeward Low0.6570
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0186
Coastal/Long Distance1.0057
Predominantly Upwind1.0093
Predominantly Downwind1.0772
For information
General Purpose Handicap (GPH)617.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8453
Tretall Distanseseilas Mellomvind1.1000
Tretall Distanseseilas Mye vind1.2388
Tretall Pølsebane Lite vind0.6570
Tretall Pølsebane Mellomvind0.8935
Tretall Pølsebane Mye vind1.0186
Distanseseilas ett tall1.0934
Enkeltall Motvind1.0093
Enkeltall Medvind1.0772
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Coastal/Long Distance596.61.0057
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind594.51.0093
Predominantly Downwind557.01.0772
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore527.01.1384
Cape Doctor Coastal439.31.3659
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8453
Triple Number Coastal/Long Distance Medium1.1000
Triple Number Coastal/Long Distance High1.2388
Triple Number Windward/Leeward Low0.6570
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0186
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8453
Triple Number Coastal/Long Distance Medium1.1000
Triple Number Coastal/Long Distance High1.2388
Triple Number Windward/Leeward Low0.6570
Triple Number Windward/Leeward Medium0.8935
Triple Number Windward/Leeward High1.0186
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Predominantly Upwind594.51.0093
Predominantly Downwind557.01.0772
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance596.61.0057
Triple Number Coastal/Long Distance Low709.80.8453
Triple Number Coastal/Long Distance Medium545.51.1000
Triple Number Coastal/Long Distance High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1011.1763.2635.1564.2527.3494.8442.8411.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low709.80.8453
Triple Number AP Medium545.51.0999
Triple Number AP High484.31.2388
Triple Number Windward/Leeward Low913.20.6570
Triple Number Windward/Leeward Medium671.50.8935
Triple Number Windward/Leeward High589.01.0186
Single Number Predominant Upwind593.51.0110
Single Number Predominant Reaching525.21.1425
Single Number Predominant Downwind557.71.0759
Predominant Upwind - Low789.90.7596
Predominant Upwind - Low/Med654.80.9163
Predominant Upwind - Medium575.01.0434
Predominant Upwind - Med/High534.51.1225
Predominant Upwind - High512.41.1711
Predominant Downwind Low773.90.7753
Predominant Downwind Low/Med628.90.9541
Predominant Downwind Medium538.51.1143
Predominant Downwind Med/High479.61.2512
Predominant Downwind High431.41.3908
Predominant Reaching Low696.40.8616
Predominant Reaching Low/Med580.21.0341
Predominant Reaching Medium510.81.1747
Predominant Reaching Med/High465.81.2882
Predominant Reaching High431.01.3920
SA/DSPL Upwind23.54SA/DSPL Downwind49.54
Scoring OptionTODTOT
5-Band Windward/Leeward Low968.90.6193
5-Band Windward/Leeward Low/Med778.30.7709
5-Band Windward/Leeward Medium660.20.9088
5-Band Windward/Leeward Med/High598.11.0031
5-Band Windward/Leeward High559.51.0723
Windward/Leeward 60-40 Low977.00.6141
Windward/Leeward 60-40 Low/Med788.00.7615
Windward/Leeward 60-40 Medium671.90.8930
Windward/Leeward 60-40 Med/High613.40.9782
Windward/Leeward 60-40 High580.31.0340
5-Band AP Low749.10.8010
5-Band AP Low/Med617.90.9710
5-Band AP Medium537.71.1158
5-Band AP Med/High491.81.2200
5-Band AP High461.81.2992
5-Band SF Bay Tour - Low921.30.6512
5-Band SF Bay Tour - Low/Med744.20.8062
5-Band SF Bay Tour - Medium635.00.9449
5-Band SF Bay Tour - Med/High577.41.0392
5-Band SF Bay Tour - High541.71.1076
Chicago-Mac Upwind0.9913
Chicago-Mac All Purpose1.0220
Chicago-Mac Downwind1.0593
Bayview-Mac Cove Island0.9463
Bayview-Mac Shore0.9544
Harvest Moon Regatta475.91.2607

Club
Certificate
2024

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. Beam3.344Draft2.002Displacement3,899Wetted area22.98IMS L9.685LSM09.537Acc. length10.570Sink (kg/mm) 17.31
VCGD-0.124VCGM-0.139RM Rated (kg·m) 103.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight643Declared crew weight474
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 FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/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 methodRM entered directlyRM entered103.5Flotation Date01/01/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

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