Club Certificate2025
ROWDYUSA 42418
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles41.7°41.7°39.7°37.0°35.9°35.3°34.9°34.7°35.3°
Beat VMG2.883.924.695.145.335.435.505.585.56
52°4.465.866.717.097.257.337.397.477.50
60°4.736.116.867.217.397.497.567.667.71
75°4.896.246.957.317.557.727.838.008.11
90°4.726.106.887.307.607.858.058.348.58
110°4.245.756.817.357.738.038.308.719.02
120°4.095.576.647.257.698.078.449.2610.00
135°3.585.006.136.927.407.838.259.2611.61
150°2.944.215.356.316.987.437.838.659.87
Run VMG2.543.654.645.486.206.787.217.958.71
Gybe Angles144.8°144.8°149.8°153.2°160.3°168.2°175.4°176.8°170.3°
APH ToD:541.4CDL: 9.577APH ToT: 1.1082CertNo:US6945
BOAT
ClassTHOMAS 35DesignerG&SBuilderTARTANAge date05/1989Series date05/1988Offset fileUS19547.OFFData fileUS6945
HULL
Length Overall10.775 mMaximum Beam3.530 mDraft2.082 mDisplacement4,816 kgDLR6.5132IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.412m
CREW
Maximum weight900 kg(declared)Minimum weight765 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.2038.83Headsail Luffed48.7348.73Headsail FlyingSymmetric96.2696.26Asymmetric
STORM SAIL AREAS (m²)
Trysail11.15Storm Jib10.79Heavy Weather Jib29.12
SAIL LIMITS
Headsails5Spinnakers4
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 Certificate2025
ROWDYUSA 42418
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1250.3918.4768.2699.7675.1662.4654.4645.7647.9
52°807.7614.6536.5508.0496.9491.1487.2482.0480.2
60°760.4589.4524.7499.1486.8480.6476.3469.8466.9
75°736.8576.7518.3492.4476.5466.2459.7449.8443.6
90°763.0590.0523.0493.0473.6458.8447.4431.5419.7
110°849.0626.2528.7489.7465.9448.1433.9413.1399.2
120°879.9646.0541.8496.3468.2445.9426.4388.9360.1
135°1004.7720.5586.9520.6486.3459.9436.1388.9310.0
150°1225.3854.5672.6570.8515.4484.7460.0416.2364.7
Run VMG1415.2986.6776.6656.6580.2531.4499.3452.9413.2
Selected Courses
Windward / Leeward1331.4952.5772.4678.2627.7596.9576.8549.3530.5
All purpose1003.9736.7615.3556.7525.8506.3492.1469.6448.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward653.30.9184
All purpose541.41.1082
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8360
Downwind "popa"0.9367
70% up, 30% down "Ilhabela"0.8639
30% up, 70% down "Ilhabela-inverso"0.9041
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Predominantly Upwind576.71.0405
Predominantly Downwind555.91.0793
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low676.00.8876
Triple Number AP Medium538.71.1137
Triple Number AP High487.21.2315
Triple Number Windward/Leeward Low900.10.6666
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Single Number Predominant Upwind596.01.0067
Single Number Predominant Reaching540.21.1107
Single Number Predominant Downwind578.31.0375
Predominant Upwind - Low786.30.7630
Predominant Upwind - Low/Med620.40.9672
Predominant Upwind - Medium561.71.0682
Predominant Upwind - Med/High531.41.1291
Predominant Upwind - High514.61.1659
Predominant Downwind Low831.30.7217
Predominant Downwind Low/Med624.80.9603
Predominant Downwind Medium538.51.1143
Predominant Downwind Med/High483.01.2422
Predominant Downwind High445.41.3472
Predominant Reaching Low722.80.8301
Predominant Reaching Low/Med569.71.0532
Predominant Reaching Medium510.91.1744
Predominant Reaching Med/High473.31.2676
Predominant Reaching High446.61.3435
SA/DSPL Upwind30.32SA/DSPL Downwind46.90
Scoring OptionTODTOT
5-Band Windward/Leeward Low1002.60.5985
5-Band Windward/Leeward Low/Med744.30.8061
5-Band Windward/Leeward Medium638.70.9394
5-Band Windward/Leeward Med/High579.81.0348
5-Band Windward/Leeward High550.81.0893
Windward/Leeward 60-40 Low994.80.6031
Windward/Leeward 60-40 Low/Med746.00.8043
Windward/Leeward 60-40 Medium647.50.9266
Windward/Leeward 60-40 Med/High595.11.0083
Windward/Leeward 60-40 High570.21.0523
5-Band AP Low747.90.8022
5-Band AP Low/Med599.31.0011
5-Band AP Medium532.31.1272
5-Band AP Med/High493.51.2158
5-Band AP High469.91.2769
5-Band SF Bay Tour - Low863.20.6951
5-Band SF Bay Tour - Low/Med711.10.8438
5-Band SF Bay Tour - Medium617.80.9711
5-Band SF Bay Tour - Med/High566.71.0587
5-Band SF Bay Tour - High538.81.1135
Chicago-Mac Upwind0.9811
Chicago-Mac All Purpose0.9946
Chicago-Mac Downwind1.0012
Bayview-Mac Cove Island0.7449
Bayview-Mac Shore0.7518
Harvest Moon Regatta479.71.2509
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance585.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating585.91.0241
FinRating, kevyt tuuli986.61.0135
FinRating, kova tuuli472.11.0591
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0241
Triple Number Coastal/Long Distance Low0.8876
Triple Number Coastal/Long Distance Medium1.1138
Triple Number Coastal/Long Distance High1.2315
Triple Number Windward/Leeward Low0.6957
Triple Number Windward/Leeward Medium0.9247
Triple Number Windward/Leeward High1.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
For information
General Purpose Handicap (GPH)603.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low676.0
Triple Number Coastal/Long Distance Medium538.7
Triple Number Coastal/Long Distance High487.2
Triple Number Windward/Leeward Low862.4
Triple Number Windward/Leeward Medium648.9
Triple Number Windward/Leeward High571.5
Predominantly Upwind576.7
Predominantly Downwind555.9
Predominantly Reaching532.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8876
Triple Number Coastal/Long Distance Medium1.1138
Triple Number Coastal/Long Distance High1.2315
Triple Number Windward/Leeward Low0.6957
Triple Number Windward/Leeward Medium0.9247
Triple Number Windward/Leeward High1.0498
Coastal/Long Distance1.0241
Predominantly Upwind1.0405
Predominantly Downwind1.0793
For information
General Purpose Handicap (GPH)603.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1082
Distanseseilas Trippeltall svak vind0.8876
Distanseseilas Trippeltall mellomvind1.1138
Distanseseilas Trippeltall sterk vind1.2315
Pølsebane Trippeltall svak vind0.6957
Pølsebane Trippeltall mellomvind0.9247
Pølsebane Trippeltall sterk vind1.0498
Motvind Singeltall1.0405
Medvind Singeltall1.0793
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Coastal/Long Distance585.91.0241
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind576.71.0405
Predominantly Downwind555.91.0793
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore536.21.1190
Cape Doctor Coastal455.01.3186
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8876
Triple Number Coastal/Long Distance Medium1.1138
Triple Number Coastal/Long Distance High1.2315
Triple Number Windward/Leeward Low0.6957
Triple Number Windward/Leeward Medium0.9247
Triple Number Windward/Leeward High1.0498
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8876
Triple Number Coastal/Long Distance Medium1.1138
Triple Number Coastal/Long Distance High1.2315
Triple Number Windward/Leeward Low0.6957
Triple Number Windward/Leeward Medium0.9247
Triple Number Windward/Leeward High1.0498
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Predominantly Upwind576.71.0405
Predominantly Downwind555.91.0793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance585.91.0241
Triple Number Coastal/Long Distance Low676.00.8876
Triple Number Coastal/Long Distance Medium538.71.1138
Triple Number Coastal/Long Distance High487.21.2315
Triple Number Windward/Leeward Low862.40.6957
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1421.6955.9731.1619.1557.5524.2497.5452.5433.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low676.00.8876
Triple Number AP Medium538.71.1137
Triple Number AP High487.21.2315
Triple Number Windward/Leeward Low900.10.6666
Triple Number Windward/Leeward Medium648.90.9247
Triple Number Windward/Leeward High571.51.0498
Single Number Predominant Upwind596.01.0067
Single Number Predominant Reaching540.21.1107
Single Number Predominant Downwind578.31.0375
Predominant Upwind - Low786.30.7630
Predominant Upwind - Low/Med620.40.9672
Predominant Upwind - Medium561.71.0682
Predominant Upwind - Med/High531.41.1291
Predominant Upwind - High514.61.1659
Predominant Downwind Low831.30.7217
Predominant Downwind Low/Med624.80.9603
Predominant Downwind Medium538.51.1143
Predominant Downwind Med/High483.01.2422
Predominant Downwind High445.41.3472
Predominant Reaching Low722.80.8301
Predominant Reaching Low/Med569.71.0532
Predominant Reaching Medium510.91.1744
Predominant Reaching Med/High473.31.2676
Predominant Reaching High446.61.3435
SA/DSPL Upwind30.32SA/DSPL Downwind46.90
Scoring OptionTODTOT
5-Band Windward/Leeward Low1002.60.5985
5-Band Windward/Leeward Low/Med744.30.8061
5-Band Windward/Leeward Medium638.70.9394
5-Band Windward/Leeward Med/High579.81.0348
5-Band Windward/Leeward High550.81.0893
Windward/Leeward 60-40 Low994.80.6031
Windward/Leeward 60-40 Low/Med746.00.8043
Windward/Leeward 60-40 Medium647.50.9266
Windward/Leeward 60-40 Med/High595.11.0083
Windward/Leeward 60-40 High570.21.0523
5-Band AP Low747.90.8022
5-Band AP Low/Med599.31.0011
5-Band AP Medium532.31.1272
5-Band AP Med/High493.51.2158
5-Band AP High469.91.2769
5-Band SF Bay Tour - Low863.20.6951
5-Band SF Bay Tour - Low/Med711.10.8438
5-Band SF Bay Tour - Medium617.80.9711
5-Band SF Bay Tour - Med/High566.71.0587
5-Band SF Bay Tour - High538.81.1135
Chicago-Mac Upwind0.9811
Chicago-Mac All Purpose0.9946
Chicago-Mac Downwind1.0012
Bayview-Mac Cove Island0.7449
Bayview-Mac Shore0.7518
Harvest Moon Regatta479.71.2509
Club Certificate2025
ROWDYUSA 42418
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTHOMAS 35Measurement23/03/1993HIN3Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.775Max. Beam3.530Draft2.082Displacement4,816Wetted area24.09IMS L9.369LSM09.042Acc. length10.775Sink (kg/mm) 17.72
VCGD-0.120VCGM-0.074RM Rated (kg·m) 123.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight596Declared crew weight900
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.412PBW0.110PIPA0.0029
PSD0.025PHD0.046PHL0.150
PSA17.5°ESL0.766
ST10.019ST20.089ST30.089
ST40.052ST50.180
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P14.326IG14.570ISP14.643MDT10.107MDL10.186MDT20.104MDL20.153TL1.403MW0.186GO0.220
E4.444J4.329BAS1.811FSD0.017SFJ-0.015SPL4.416WPLTPS0.000BD0.150MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered124.8Flotation Date11/06/1990
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
0.000.00
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
Total deductible
Club Certificate2025
ROWDYUSA 42418
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment24465120.160.951.682.883.7938.202019 Mainsail
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGen0.030.811.623.294.976.6414.75NoNo 48.7306/06/2024DBS5162G#30.040.551.122.263.434.5714.60NoNo 33.2307/04/2024DBS5162JSS0.070.480.911.832.833.9413.97NoInner 26.5507/10/2024
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentSym.14.4514.4514.458.037.8596.2601/06/2024DBS164P