Club
Certificate
2023

Boat

ROWDY

USA 42418

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 Angles41.8°39.6°37.0°35.8°35.2°35.0°35.0°
Beat VMG3.934.695.145.335.445.525.58
52°5.886.727.097.257.347.417.48
60°6.136.877.227.407.507.587.67
75°6.266.957.327.567.737.858.01
90°6.126.897.317.617.858.068.36
110°5.746.817.367.758.068.338.76
120°5.586.667.277.718.108.479.31
135°5.036.166.937.417.838.259.25
150°4.225.346.296.977.417.808.62
Run VMG3.654.625.466.176.777.237.97
Gybe Angles143.9°148.9°152.5°159.5°174.8°177.2°179.0°

APH: 541.2

CDL: 9.568

GPH: 602.9

CertNo: 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 kgMinimum weight675 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.2038.83Headsail Luffed49.3149.31Headsail FlyingSymmetric95.7295.72Asymmetric
STORM SAIL AREAS (m²)
Trysail11.15Storm Jib10.79Heavy Weather Jib29.12
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  04560002P5JIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROWDY

USA 42418

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 VMG916.2767.1700.3675.2661.5652.5644.8
52°612.6535.6507.7496.8490.4486.1481.0
60°587.5523.9498.8486.6479.9475.1469.1
75°574.8517.7491.9476.0465.6458.7449.7
90°588.1522.2492.5473.1458.3446.7430.6
110°626.9528.8489.0464.8446.7432.0410.7
120°645.6540.4494.9466.8444.6425.2386.7
135°716.3584.3519.7486.0459.8436.2389.2
150°853.5674.2572.4516.8485.9461.4417.8
Run VMG985.5778.5659.3583.7531.7498.2451.5
Selected Courses
Windward / Leeward950.9772.8679.8629.4596.6575.3548.2
All purpose735.1614.9557.0526.0506.0491.3469.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward653.90.9176
All purpose541.21.1086
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8371
Downwind "popa"0.9357
70% up, 30% down "Ilhabela"0.8644
30% up, 70% down "Ilhabela-inverso"0.9038
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Predominantly Upwind576.21.0413
Predominantly Downwind556.01.0791
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low675.00.8889
Triple Number All Purpose Medium538.71.1137
Triple Number All Purpose High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Predominantly Upwind576.21.0413
Predominantly Downwind556.01.0791
Predominantly Upwind Low729.20.8228
Predominantly Upwind Medium589.71.0175
Predominantly Upwind High557.81.0756
Predominantly Downwind Low754.70.7950
Predominantly Downwind Medium556.91.0775
Predominantly Downwind High466.81.2855
Chicago-Mac Upwind1.0258
Chicago-Mac All Purpose1.0406
Chicago-Mac Downwind1.0608
Bayview-Mac Cove Island0.9794
Bayview-Mac Shore0.9917
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching519.11.1558
Predominantly Reaching Low618.00.9709
Predominantly Reaching Medium516.31.1622
Predominantly Reaching High460.81.3020
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low937.20.6402
5-Band Low / Medium791.80.7578
5-Band Medium639.70.9380
5-Band Medium / High578.91.0365
5-Band High552.91.0852
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance585.9
Triple Number Coastal/Long Distance Low675.0
Triple Number Coastal/Long Distance Medium538.7
Triple Number Coastal/Long Distance High486.6
Triple Number Windward/Leeward Low861.8
Triple Number Windward/Leeward Medium650.0
Triple Number Windward/Leeward High570.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8889
Triple Number Coastal/Long Distance Medium1.1137
Triple Number Coastal/Long Distance High1.2330
Triple Number Windward/Leeward Low0.6962
Triple Number Windward/Leeward Medium0.9231
Triple Number Windward/Leeward High1.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low675.0
Triple Number Coastal/Long Distance Medium538.7
Triple Number Coastal/Long Distance High486.6
Triple Number Windward/Leeward Low861.8
Triple Number Windward/Leeward Medium650.0
Triple Number Windward/Leeward High570.5
Predominantly Upwind576.2
Predominantly Downwind556.0
Predominantly Reaching532.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8889
Triple Number Coastal/Long Distance Medium1.1137
Triple Number Coastal/Long Distance High1.2330
Triple Number Windward/Leeward Low0.6962
Triple Number Windward/Leeward Medium0.9231
Triple Number Windward/Leeward High1.0518
Coastal/Long Distance1.0240
Predominantly Upwind1.0413
Predominantly Downwind1.0791
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8889
Tretall Distanseseilas Mellomvind1.1137
Tretall Distanseseilas Mye vind1.2330
Tretall Pølsebane Lite vind0.6962
Tretall Pølsebane Mellomvind0.9231
Tretall Pølsebane Mye vind1.0518
Distanseseilas ett tall (OSN 8-16kn)1.0240
Distanseseilas ett tall (APH 6-20kn)1.1086
Enkeltall Motvind1.0413
Enkeltall Medvind1.0791
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Coastal/Long Distance585.91.0240
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind576.21.0413
Predominantly Downwind556.01.0791
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore556.31.0785
Cape Doctor Coastal475.71.2612
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8889
Triple Number Coastal/Long Distance Medium1.1137
Triple Number Coastal/Long Distance High1.2330
Triple Number Windward/Leeward Low0.6962
Triple Number Windward/Leeward Medium0.9231
Triple Number Windward/Leeward High1.0518
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8889
Triple Number Coastal/Long Distance Medium1.1137
Triple Number Coastal/Long Distance High1.2330
Triple Number Windward/Leeward Low0.6962
Triple Number Windward/Leeward Medium0.9231
Triple Number Windward/Leeward High1.0518
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Predominantly Upwind576.21.0413
Predominantly Downwind556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance585.91.0240
Triple Number Coastal/Long Distance Low675.00.8889
Triple Number Coastal/Long Distance Medium538.71.1137
Triple Number Coastal/Long Distance High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance954.3731.3620.0558.0523.8496.6451.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low675.00.8889
Triple Number All Purpose Medium538.71.1137
Triple Number All Purpose High486.61.2330
Triple Number Windward/Leeward Low861.80.6962
Triple Number Windward/Leeward Medium650.00.9231
Triple Number Windward/Leeward High570.51.0518
Predominantly Upwind576.21.0413
Predominantly Downwind556.01.0791
Predominantly Upwind Low729.20.8228
Predominantly Upwind Medium589.71.0175
Predominantly Upwind High557.81.0756
Predominantly Downwind Low754.70.7950
Predominantly Downwind Medium556.91.0775
Predominantly Downwind High466.81.2855
Chicago-Mac Upwind1.0258
Chicago-Mac All Purpose1.0406
Chicago-Mac Downwind1.0608
Bayview-Mac Cove Island0.9794
Bayview-Mac Shore0.9917
Harvest Moon Regatta479.21.2520
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy560.11.0713
San Francisco Bay Medium642.10.9345
Predominantly Reaching519.11.1558
Predominantly Reaching Low618.00.9709
Predominantly Reaching Medium516.31.1622
Predominantly Reaching High460.81.3020
Windward/Leeward 60-40 Low857.80.6995
Windward/Leeward 60-40 Medium662.90.9052
Windward/Leeward 60-40 High598.11.0031
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low937.20.6402
5-Band Low / Medium791.80.7578
5-Band Medium639.70.9380
5-Band Medium / High578.91.0365
5-Band High552.91.0852
ORC Ref  04560002P5JIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROWDY

USA 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 L9.353LSM09.042Acc. length10.775Sink (kg/mm) 17.72
VCGD-0.120VCGM-0.074RM Rated (kg·m) 123.6Limit of positive stability(°) N/AStability IndexN/A
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 FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating 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 Date11/06/1990MeasurerComment
SFFP0.579FFMFF1.163LCFcl5.967SG1.0000
SAFP10.461FAMFA0.961LCFsh6.226HBI0.989
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
Total deductible
ORC Ref  04560002P5JIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROWDY

USA 42418

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment24465120.160.951.682.883.7938.202019 Mainsail
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment13725970.051.643.325.046.6714.75NoNo 49.312017 ULMAN GENOA
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment78579614.4514.4514.450.0095.72
ORC Ref  04560002P5JIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org