Club Certificate2026
SHAMROCKUSA 136
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 Angles45.4°42.7°40.6°38.2°36.8°36.4°36.1°36.0°37.1°
Beat VMG2.713.864.735.285.515.635.715.785.71
52°4.235.866.937.437.637.757.837.927.93
60°4.556.167.147.607.837.968.068.198.20
75°4.776.367.277.738.068.308.458.688.80
90°4.836.577.517.958.228.488.789.229.53
110°4.686.437.548.138.579.039.4410.2010.68
120°4.446.307.498.148.739.299.7611.0012.13
135°3.975.687.027.788.419.099.9311.9813.72
150°3.294.786.027.057.758.298.8610.5613.59
Run VMG2.854.145.216.116.767.207.679.1511.77
Gybe Angles139.4°142.4°145.8°149.9°153.4°152.8°150.1°144.0°144.8°
APH ToD:502.8CDL: 10.433APH ToT: 1.1933CertNo: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 Allowance0.520%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight690 kg(declared)Minimum weight560 kg ✱ when appliedCrew 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 Maximum (m²)
Trysail10.66Storm Jib11.13Heavy Weather Jib30.04
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 118.4 kg·m Stability Index 126.9
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  04560004IWM Issued on 25/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHAMROCKUSA 136
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 VMG1330.9932.4760.3682.2653.7639.6631.0623.4630.8
52°850.1614.0519.3484.6471.6464.8460.1454.6454.2
60°791.9584.1504.0473.7459.5452.1446.6439.8439.0
75°754.8566.3495.1465.5446.5433.9426.1414.8409.2
90°745.2547.6479.6452.8438.2424.7410.0390.5377.6
110°769.3559.5477.4442.6420.3398.6381.5353.1337.0
120°810.2571.1480.8442.4412.3387.5368.8327.4296.7
135°906.4633.6512.5462.5427.9396.0362.6300.6262.5
150°1094.8753.8598.0510.7464.6434.4406.5340.8264.8
Run VMG1264.2870.5690.5589.7532.8500.1469.4393.5305.8
Selected Courses
Windward / Leeward1297.5901.4725.4635.9593.3569.9550.2508.4468.3
All purpose980.6693.7573.2517.6489.1470.0453.7423.1399.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward617.20.9721
All purpose502.81.1933
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8532
Downwind "popa"1.0380
70% up, 30% down "Ilhabela"0.9013
30% up, 70% down "Ilhabela-inverso"0.9746
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Predominantly Upwind545.21.1006
Predominantly Downwind505.71.1865
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP521.51.1506 Predom. Rc High397.51.5093 5B SF Bay L/M667.50.8989 TriNum AP Low633.50.9471 Predom. Dn Low761.50.7879 5B SF Bay Med581.61.0316 TriNum AP Med500.91.1978 Predom. Dn L/M567.71.0569 5B SF Bay M/H531.61.1287 TriNum AP High446.31.3444 Predom. Dn Med491.71.2202 5B SF Bay High494.71.2130 TriNum W/L Low852.90.7035 Predom. Dn M/H436.11.3759 5B AP Low702.50.8541 TriNum W/L Med612.70.9793 Predom. Dn High387.81.5472 5B AP L/M559.01.0734 TriNum W/L Hig539.51.1122 ChiMac Up Low680.60.8816 5B AP Med494.71.2129 Predom. Upwind567.41.0574 ChiMac Up Med617.00.9725 5B AP M/H454.21.3209 Predom. Reaching497.31.2066 ChiMac Up High541.81.1073 5B AP High424.31.4142 Predom. Downwind526.01.1408 ChiMac Off Low658.90.9106 5B W/L Low956.50.6273 Predom. Up Low772.00.7772 ChiMac Off Med584.41.0266 5B W/L L/M700.30.8568 Predom. Up L/M591.11.0151 ChiMac Off High492.31.2187 5B W/L Med603.80.9937 Predom. Up Med530.61.1308 ChiMac AP Low666.50.9003 5B W/L M/H550.11.0908 Predom. Up M/H498.41.2039 ChiMac AP Med598.61.0024 5B W/L High508.71.1795 Predom. Up High478.81.2532 ChiMac AP High516.01.1628 W/L 60-40 Low963.00.6231 Predom. Rc Low678.30.8845 BayMac Cove Island766.10.7832 W/L 60-40 L/M708.70.8466 Predom. Rc L/M524.81.1434 BayMac Shore760.10.7893 W/L 60-40 Med615.70.9746 Predom. Rc Med469.61.2778 Harvest Moon440.21.3629 W/L 60-40 M/H566.71.0588 Predom. Rc M/H429.11.3982 5B SF Bay Low806.40.7441 W/L 60-40 High532.21.1275      SA/DSPL Up27.27SA/DSPL Dn62.97
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance545.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating545.71.0995
FinRating, kevyt tuuli941.21.0625
FinRating, kova tuuli424.91.1766
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0995
Triple Number Coastal/Long Distance Low0.9471
Triple Number Coastal/Long Distance Medium1.1979
Triple Number Coastal/Long Distance High1.3444
Triple Number Windward/Leeward Low0.7376
Triple Number Windward/Leeward Medium0.9793
Triple Number Windward/Leeward High1.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
For information
General Purpose Handicap (GPH)561.8
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Saronikos S All Purpose567.01.0582
Saronikos S Upwind643.50.9325
Saronikos S Downwind473.91.2661
Saronikos N All Purpose598.01.0033
Saronikos N Upwind671.80.8932
Saronikos N Downwind522.61.1480
Saronikos SW All Purpose568.11.0562
Saronikos SW Upwind659.70.9096
Saronikos SW Downwind478.71.2533
Saronikos NE All Purpose618.00.9708
Saronikos NE Upwind631.30.9504
Saronikos NE Downwind583.31.0286
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose521.51.1506
5-Band All Purpose Low762.80.7866
5-Band All Purpose L/M577.81.0385
5-Band All Purpose Med510.51.1753
5-Band All Purpose M/H467.21.2843
5-Band All Purpose High433.91.3830
Single Number Predominant Upwind544.01.1030
Single Number Predominant Reaching479.91.2502
Single Number Predominant Downwind506.71.1842
5-Band 50-50 Windward/Leeward Low956.50.6273
5-Band 50-50 Windward/Leeward L/M700.30.8568
5-Band 50-50 Windward/Leeward Med603.80.9937
5-Band 50-50 Windward/Leeward M/H550.11.0908
5-Band 50-50 Windward/Leeward High508.71.1795
5-Band 60-40 Windward/Leeward Low963.00.6231
5-Band 60-40 Windward/Leeward L/M708.70.8466
5-Band 60-40 Windward/Leeward Med615.70.9746
5-Band 60-40 Windward/Leeward M/H566.71.0588
5-Band 60-40 Windward/Leeward High532.21.1275
Triple Number 50-50 Windward/Leeward Low852.90.7035
Triple Number 50-50 Windward/Leeward Med612.70.9792
Triple Number 50-50 Windward/Leeward High539.41.1123
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward629.20.9535
Triple Number 60-40 Windward/Leeward Low859.70.6979
Triple Number 60-40 Windward/Leeward Med623.90.9617
Triple Number 60-40 Windward/Leeward High557.61.0760
Triple Number All-Purpose Low686.60.8739
Triple Number All-Purpose Med517.11.1604
Triple Number All-Purpose High458.41.3088
Triple Number Predominant Upwind Low702.90.8536
Triple Number Predominant Upwind Med538.01.1153
Triple Number Predominant Upwind High499.21.2019
Triple Number Predominant Reaching Low618.70.9698
Triple Number Predominant Reaching Med483.21.2417
Triple Number Predominant Reaching High412.71.4539
Triple Number Predominant Downwind Low681.90.8799
Triple Number Predominant Downwind Med500.31.1993
Triple Number Predominant Downwind High414.01.4494
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low633.5
Triple Number Coastal/Long Distance Medium500.9
Triple Number Coastal/Long Distance High446.3
Triple Number Windward/Leeward Low813.4
Triple Number Windward/Leeward Medium612.7
Triple Number Windward/Leeward High539.5
Predominantly Upwind545.2
Predominantly Downwind505.7
Predominantly Reaching486.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9471
Triple Number Coastal/Long Distance Medium1.1979
Triple Number Coastal/Long Distance High1.3444
Triple Number Windward/Leeward Low0.7376
Triple Number Windward/Leeward Medium0.9793
Triple Number Windward/Leeward High1.1122
Coastal/Long Distance1.0995
Predominantly Upwind1.1006
Predominantly Downwind1.1865
For information
General Purpose Handicap (GPH)561.8
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1933
Distanseseilas Trippeltall svak vind0.9471
Distanseseilas Trippeltall mellomvind1.1979
Distanseseilas Trippeltall sterk vind1.3444
Pølsebane Trippeltall svak vind0.7376
Pølsebane Trippeltall mellomvind0.9793
Pølsebane Trippeltall sterk vind1.1122
Motvind Singeltall1.1006
Medvind Singeltall1.1865
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Coastal/Long Distance545.71.0995
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind545.21.1006
Predominantly Downwind505.71.1865
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore480.31.2491
Cape Doctor Coastal406.41.4765
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9471
Triple Number Coastal/Long Distance Medium1.1979
Triple Number Coastal/Long Distance High1.3444
Triple Number Windward/Leeward Low0.7376
Triple Number Windward/Leeward Medium0.9793
Triple Number Windward/Leeward High1.1122
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9471
Triple Number Coastal/Long Distance Medium1.1979
Triple Number Coastal/Long Distance High1.3444
Triple Number Windward/Leeward Low0.7376
Triple Number Windward/Leeward Medium0.9793
Triple Number Windward/Leeward High1.1122
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Predominantly Upwind545.21.1006
Predominantly Downwind505.71.1865
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.71.0995
Triple Number Coastal/Long Distance Low633.50.9471
Triple Number Coastal/Long Distance Medium500.91.1979
Triple Number Coastal/Long Distance High446.31.3444
Triple Number Windward/Leeward Low813.40.7376
Triple Number Windward/Leeward Medium612.70.9793
Triple Number Windward/Leeward High539.51.1122
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1294.2898.3683.4577.6520.3487.6458.7405.7379.6
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP521.51.1506 Predom. Dn High387.81.5472 5B AP M/H454.21.3209 TriNum AP Low633.50.9471 Predom. Rc Low678.30.8845 5B AP High424.31.4142 TriNum AP Med500.91.1978 Predom. Rc L/M524.81.1434 5B SF Bay Low806.40.7441 TriNum AP High446.31.3444 Predom. Rc Med469.61.2778 5B SF Bay L/M667.50.8989 TriNum W/L Low852.90.7035 Predom. Rc M/H429.11.3982 5B SF Bay Med581.61.0316 TriNum W/L Med612.70.9793 Predom. Rc High397.51.5093 5B SF Bay M/H531.61.1287 TriNum W/L Hig539.51.1122 5B W/L Low956.50.6273 5B SF Bay High494.71.2130 Predom. Upwind567.41.0574 5B W/L L/M700.30.8568 ChiMac Up Low680.60.8816 Predom. Reaching497.31.2066 5B W/L Med603.80.9937 ChiMac Up Med617.00.9725 Predom. Downwind526.01.1408 5B W/L M/H550.11.0908 ChiMac Up High541.81.1073 Predom. Up Low772.00.7772 5B W/L High508.71.1795 ChiMac Off Low658.90.9106 Predom. Up L/M591.11.0151 W/L 60-40 Low963.00.6231 ChiMac Off Med584.41.0266 Predom. Up Med530.61.1308 W/L 60-40 L/M708.70.8466 ChiMac Off High492.31.2187 Predom. Up M/H498.41.2039 W/L 60-40 Med615.70.9746 ChiMac AP Low666.50.9003 Predom. Up High478.81.2532 W/L 60-40 M/H566.71.0588 ChiMac AP Med598.61.0024 Predom. Dn Low761.50.7879 W/L 60-40 High532.21.1275 ChiMac AP High516.01.1628 Predom. Dn L/M567.71.0569 5B AP Low702.50.8541 BayMac Cove Island766.10.7832 Predom. Dn Med491.71.2202 5B AP L/M559.01.0734 BayMac Shore760.10.7893 Predom. Dn M/H436.11.3759 5B AP Med494.71.2129 Harvest Moon440.21.3629      SA/DSPL Up27.27SA/DSPL Dn62.97
ORC Ref  04560004IWM Issued on 25/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHAMROCKUSA 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
Length overall11.121Maximum beam3.302Draft2.192Displacement4,336Wetted area23.75IMS L10.431LSM010.014Accomod. length10.732Sink (kg/mm) 18.33
VCGD-0.215VCGM-0.231 RM Rated (kg·m) 118.4Limit of positive stability(°) 127.0 Stability Index 126.9 BLR index 0.0000Default crew weight690 Declared crew weight 690
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.408PBW0.125PIPA0.0035
EDL2.253ST10.040ST20.180
ST30.180ST40.113ST50.305
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.770IG14.740ISP15.670MDT10.110MDL10.170MDT20.080MDL20.110TL1.290MW0.140GO0.190
E4.420J4.220BAS1.680FSD0.030SFJ0.300SPL0.000WPLTPS6.650BD0.130MWT0.00MCG0.000
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered118.0Flotation Date12/06/2023
SFFP0.994FFM1.244FF1.251LCFcl6.096SG1.0000
SAFP10.966FAM0.879FA0.884LCFsh6.312HBI1.065
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004IWM Issued on 25/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHAMROCKUSA 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
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004IWM Issued on 25/03/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org