Club
Certificate
2023

Boat

SHAMROCK

USA 136

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 Angles42.6°40.5°38.1°36.9°36.4°36.3°36.4°
Beat VMG3.924.795.295.495.605.675.70
52°5.936.987.447.627.737.807.86
60°6.237.187.617.837.958.048.14
75°6.557.387.758.068.308.448.63
90°6.767.608.018.308.528.789.20
110°6.557.548.108.619.099.5110.24
120°6.227.418.058.619.139.7011.00
135°5.586.957.748.379.049.8411.85
150°4.725.987.027.718.198.7310.44
Run VMG4.095.186.086.697.097.569.04
Gybe Angles143.3°146.6°149.6°151.2°148.7°146.6°142.8°

APH: 503.8

CDL: 10.388

GPH: 562.0

CertNo: USA136

BOAT
ClassJ 111DesignerA. JOHNSTONEBuilderJ BOATSAge date01/2011Series date01/2010Offset fileJ111.offData fileUSA 136
HULL
Length Overall11.121 mMaximum Beam3.302 mDraft2.192 mDisplacement4,336 kgDLR4.3175IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.422%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight690 kgMinimum weight517 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.1939.04Headsail Luffed34.6834.68Headsail FlyingSymmetricAsymmetric130.09130.09 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail10.66Storm Jib11.13Heavy Weather Jib30.04
SAIL LIMITS
Headsails6  Spinnakers5
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  04560002P8CIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SHAMROCK

USA 136

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 VMG919.3752.0681.1655.6642.7635.4632.1
52°606.7515.5484.1472.2465.7461.6457.8
60°578.0501.1473.2459.9452.6447.8442.5
75°549.7488.1464.6446.4434.0426.4417.1
90°532.3473.9449.3433.9422.8410.1391.4
110°549.4477.5444.4418.1396.2378.6351.4
120°579.0485.5447.3418.3394.1371.0327.3
135°644.9518.1465.1429.9398.1366.0303.8
150°762.9602.2512.7466.9439.5412.2344.9
Run VMG880.9695.3592.1538.3507.4476.0398.2
Selected Courses
Windward / Leeward900.1723.7636.6596.9575.1555.7515.2
All purpose689.9571.8518.0490.4472.2456.2426.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward620.10.9676
All purpose503.81.1910
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8540
Downwind "popa"1.0273
70% up, 30% down "Ilhabela"0.8995
30% up, 70% down "Ilhabela-inverso"0.9684
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Predominantly Upwind545.01.1009
Predominantly Downwind507.81.1815
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low630.80.9511
Triple Number All Purpose Medium501.81.1956
Triple Number All Purpose High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Predominantly Upwind545.01.1009
Predominantly Downwind507.81.1815
Predominantly Upwind Low701.70.8551
Predominantly Upwind Medium564.61.0627
Predominantly Upwind High534.11.1234
Predominantly Downwind Low688.50.8714
Predominantly Downwind Medium506.61.1844
Predominantly Downwind High420.21.4279
Chicago-Mac Upwind1.0831
Chicago-Mac All Purpose1.1195
Chicago-Mac Downwind1.1623
Bayview-Mac Cove Island1.0469
Bayview-Mac Shore1.0538
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching476.21.2599
Predominantly Reaching Low568.41.0556
Predominantly Reaching Medium472.91.2688
Predominantly Reaching High415.51.4440
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low886.50.6768
5-Band Low / Medium744.60.8058
5-Band Medium606.90.9886
5-Band Medium / High555.61.0800
5-Band High522.21.1491
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance547.3
Triple Number Coastal/Long Distance Low630.8
Triple Number Coastal/Long Distance Medium501.8
Triple Number Coastal/Long Distance High449.1
Triple Number Windward/Leeward Low811.9
Triple Number Windward/Leeward Medium615.3
Triple Number Windward/Leeward High545.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9511
Triple Number Coastal/Long Distance Medium1.1956
Triple Number Coastal/Long Distance High1.3359
Triple Number Windward/Leeward Low0.7390
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low630.8
Triple Number Coastal/Long Distance Medium501.8
Triple Number Coastal/Long Distance High449.1
Triple Number Windward/Leeward Low811.9
Triple Number Windward/Leeward Medium615.3
Triple Number Windward/Leeward High545.4
Predominantly Upwind545.0
Predominantly Downwind507.8
Predominantly Reaching486.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9511
Triple Number Coastal/Long Distance Medium1.1956
Triple Number Coastal/Long Distance High1.3359
Triple Number Windward/Leeward Low0.7390
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1002
Coastal/Long Distance1.0964
Predominantly Upwind1.1009
Predominantly Downwind1.1815
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9511
Tretall Distanseseilas Mellomvind1.1956
Tretall Distanseseilas Mye vind1.3359
Tretall Pølsebane Lite vind0.7390
Tretall Pølsebane Mellomvind0.9752
Tretall Pølsebane Mye vind1.1002
Distanseseilas ett tall (OSN 8-16kn)1.0964
Distanseseilas ett tall (APH 6-20kn)1.1910
Enkeltall Motvind1.1009
Enkeltall Medvind1.1815
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Coastal/Long Distance547.31.0964
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind545.01.1009
Predominantly Downwind507.81.1815
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore527.31.1378
Cape Doctor Coastal435.61.3775
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9511
Triple Number Coastal/Long Distance Medium1.1956
Triple Number Coastal/Long Distance High1.3359
Triple Number Windward/Leeward Low0.7390
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1002
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9511
Triple Number Coastal/Long Distance Medium1.1956
Triple Number Coastal/Long Distance High1.3359
Triple Number Windward/Leeward Low0.7390
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1002
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Predominantly Upwind545.01.1009
Predominantly Downwind507.81.1815
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance547.31.0964
Triple Number Coastal/Long Distance Low630.80.9511
Triple Number Coastal/Long Distance Medium501.81.1956
Triple Number Coastal/Long Distance High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance898.2682.1578.2522.6491.1461.8408.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low630.80.9511
Triple Number All Purpose Medium501.81.1956
Triple Number All Purpose High449.11.3359
Triple Number Windward/Leeward Low811.90.7390
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High545.41.1002
Predominantly Upwind545.01.1009
Predominantly Downwind507.81.1815
Predominantly Upwind Low701.70.8551
Predominantly Upwind Medium564.61.0627
Predominantly Upwind High534.11.1234
Predominantly Downwind Low688.50.8714
Predominantly Downwind Medium506.61.1844
Predominantly Downwind High420.21.4279
Chicago-Mac Upwind1.0831
Chicago-Mac All Purpose1.1195
Chicago-Mac Downwind1.1623
Bayview-Mac Cove Island1.0469
Bayview-Mac Shore1.0538
Harvest Moon Regatta436.71.3740
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy528.01.1363
San Francisco Bay Medium603.70.9938
Predominantly Reaching476.21.2599
Predominantly Reaching Low568.41.0556
Predominantly Reaching Medium472.91.2688
Predominantly Reaching High415.51.4440
Windward/Leeward 60-40 Low816.60.7347
Windward/Leeward 60-40 Medium633.50.9471
Windward/Leeward 60-40 High576.21.0414
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low886.50.6768
5-Band Low / Medium744.60.8058
5-Band Medium606.90.9886
5-Band Medium / High555.61.0800
5-Band High522.21.1491
ORC Ref  04560002P8CIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SHAMROCK

USA 136

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 111MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA11.121Max. Beam3.302Draft2.192Displacement4,336Wetted area23.75IMS L10.401LSM010.014Acc. length10.732Sink (kg/mm) 18.33
VCGD-0.195VCGM-0.211RM Rated (kg·m) 116.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.408PBW0.125PIPA0.0035
EDL2.253ST10.040ST20.180
ST30.180ST40.113ST50.305
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.770IG14.740ISP15.670MDT10.110MDL10.170MDT20.080MDL20.110TL1.290MW0.140GO0.190
E4.420J4.220BAS1.680FSD0.060SFJ0.010SPL0.000WPLTPS6.650BD0.130MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered116.5Flotation Date12/06/2023MeasurerComment
SFFP0.994FFMFF1.251LCFcl6.096SG1.0000
SAFP10.966FAMFA0.884LCFsh6.312HBI1.077
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002P8CIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

SHAMROCK

USA 136

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.211.061.883.083.8138.19* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.731.322.503.544.4514.50YesNo 34.68* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentORC17.5514.8516.209.5210.1094%130.09* Copied from legacy *code16.4014.9715.696.328.4075%88.05
ORC Ref  04560002P8CIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org