Club Certificate2026
SHMOKIN JOEUSA 20
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 Angles45.3°42.7°40.6°38.2°36.8°36.4°36.2°36.0°37.1°
Beat VMG2.713.874.755.285.515.635.705.775.70
52°4.245.886.957.437.637.747.827.927.92
60°4.566.187.167.617.847.968.068.198.20
75°4.786.377.287.748.078.308.458.688.80
90°4.846.597.517.958.228.498.799.239.54
110°4.696.457.558.148.589.059.4410.2110.67
120°4.456.327.508.158.759.309.7711.0312.16
135°3.985.697.047.808.449.129.9812.0413.74
150°3.294.786.037.067.768.318.8910.6513.73
Run VMG2.854.145.226.126.777.217.699.2211.89
Gybe Angles139.4°142.4°145.8°149.9°153.4°152.5°149.8°143.9°145.1°
APH ToD:502.2CDL: 10.419APH ToT: 1.1948CertNo:US7069
BOAT
ClassJ 111DesignerA. JOHNSTONEBuilderJ BOATSAge date01/2011Series date01/2010Offset fileJ111.offData fileUS7069
HULL
Length Overall11.121 mMaximum Beam3.302 mDraft2.188 mDisplacement4,261 kgDLR4.2953IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.520%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.408m
CREW
Maximum weight698 kg(declared)Minimum weight568 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.1939.04Headsail Luffed34.6834.68Headsail FlyingSymmetricAsymmetric130.92130.92 (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 116.1 kg·m Stability Index 126.2
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  04560004TUR Issued on 23/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHMOKIN JOEUSA 20
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 VMG1327.6930.3758.5681.6653.8639.9631.4623.9632.0
52°848.3612.5518.2484.2471.6464.8460.2454.8454.6
60°790.1582.7503.1473.2459.4452.1446.6439.8439.2
75°752.9565.0494.2464.9446.0433.6425.9414.7409.2
90°743.8546.4479.1452.6438.2424.0409.4390.1377.5
110°767.9558.2476.8442.2419.6398.0381.2352.7337.3
120°808.7569.8480.0441.6411.6387.0368.4326.5296.1
135°904.6632.3511.4461.6426.7394.6360.9299.1262.0
150°1092.7752.5596.9509.8463.7433.3405.2338.1262.3
Run VMG1261.8868.9689.2588.7531.9499.1467.8390.5302.8
Selected Courses
Windward / Leeward1294.7899.6723.9635.1592.9569.5549.6507.2467.4
All purpose978.5692.2572.1517.0488.7469.6453.2422.4398.9
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward616.50.9733
All purpose502.21.1948
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8538
Downwind "popa"1.0406
70% up, 30% down "Ilhabela"0.9024
30% up, 70% down "Ilhabela-inverso"0.9765
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Predominantly Upwind544.61.1016
Predominantly Downwind504.71.1888
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP520.71.1522 Predom. Rc High396.91.5119 5B SF Bay L/M666.40.9004 TriNum AP Low632.20.9491 Predom. Dn Low760.00.7895 5B SF Bay Med581.11.0326 TriNum AP Med500.41.1991 Predom. Dn L/M566.81.0587 5B SF Bay M/H531.01.1299 TriNum AP High445.71.3461 Predom. Dn Med490.91.2222 5B SF Bay High493.81.2150 TriNum W/L Low851.10.7049 Predom. Dn M/H435.01.3794 5B AP Low701.10.8558 TriNum W/L Med612.00.9804 Predom. Dn High386.51.5525 5B AP L/M558.11.0751 TriNum W/L Hig538.61.1139 ChiMac Up Low679.40.8831 5B AP Med494.11.2142 Predom. Upwind566.81.0585 ChiMac Up Med616.10.9738 5B AP M/H453.71.3224 Predom. Reaching496.51.2084 ChiMac Up High541.41.1083 5B AP High423.71.4162 Predom. Downwind524.91.1430 ChiMac Off Low657.70.9123 5B W/L Low954.40.6286 Predom. Up Low770.40.7789 ChiMac Off Med583.41.0285 5B W/L L/M699.10.8582 Predom. Up L/M590.21.0166 ChiMac Off High491.31.2213 5B W/L Med603.20.9946 Predom. Up Med530.31.1315 ChiMac AP Low665.30.9018 5B W/L M/H549.41.0921 Predom. Up M/H498.11.2045 ChiMac AP Med597.61.0040 5B W/L High507.61.1819 Predom. Up High478.61.2537 ChiMac AP High515.31.1644 W/L 60-40 Low960.90.6244 Predom. Rc Low677.00.8863 BayMac Cove Island764.70.7846 W/L 60-40 L/M707.50.8480 Predom. Rc L/M524.01.1451 BayMac Shore758.70.7908 W/L 60-40 Med615.20.9754 Predom. Rc Med469.01.2793 Harvest Moon439.51.3652 W/L 60-40 M/H566.21.0597 Predom. Rc M/H428.41.4006 5B SF Bay Low804.60.7457 W/L 60-40 High531.41.1290      SA/DSPL Up27.60SA/DSPL Dn64.04
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance545.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating545.01.1008
FinRating, kevyt tuuli939.21.0648
FinRating, kova tuuli424.31.1783
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.1008
Triple Number Coastal/Long Distance Low0.9491
Triple Number Coastal/Long Distance Medium1.1993
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7392
Triple Number Windward/Leeward Medium0.9804
Triple Number Windward/Leeward High1.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
For information
General Purpose Handicap (GPH)561.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Saronikos S All Purpose565.91.0603
Saronikos S Upwind642.60.9337
Saronikos S Downwind472.41.2701
Saronikos N All Purpose597.21.0046
Saronikos N Upwind670.90.8944
Saronikos N Downwind521.61.1503
Saronikos SW All Purpose566.91.0584
Saronikos SW Upwind658.50.9111
Saronikos SW Downwind477.61.2564
Saronikos NE All Purpose617.20.9722
Saronikos NE Upwind630.40.9517
Saronikos NE Downwind582.21.0306
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose520.71.1522
5-Band All Purpose Low761.20.7883
5-Band All Purpose L/M576.81.0401
5-Band All Purpose Med510.01.1766
5-Band All Purpose M/H466.51.2861
5-Band All Purpose High433.11.3853
Single Number Predominant Upwind543.41.1041
Single Number Predominant Reaching479.21.2520
Single Number Predominant Downwind505.71.1864
5-Band 50-50 Windward/Leeward Low954.40.6286
5-Band 50-50 Windward/Leeward L/M699.10.8582
5-Band 50-50 Windward/Leeward Med603.20.9946
5-Band 50-50 Windward/Leeward M/H549.41.0921
5-Band 50-50 Windward/Leeward High507.61.1819
5-Band 60-40 Windward/Leeward Low960.90.6244
5-Band 60-40 Windward/Leeward L/M707.50.8480
5-Band 60-40 Windward/Leeward Med615.20.9754
5-Band 60-40 Windward/Leeward M/H566.21.0597
5-Band 60-40 Windward/Leeward High531.41.1290
Triple Number 50-50 Windward/Leeward Low851.10.7049
Triple Number 50-50 Windward/Leeward Med612.10.9802
Triple Number 50-50 Windward/Leeward High538.71.1139
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward628.60.9545
Triple Number 60-40 Windward/Leeward Low857.90.6994
Triple Number 60-40 Windward/Leeward Med623.30.9625
Triple Number 60-40 Windward/Leeward High557.11.0771
Triple Number All-Purpose Low685.20.8757
Triple Number All-Purpose Med516.51.1617
Triple Number All-Purpose High457.71.3108
Triple Number Predominant Upwind Low701.40.8554
Triple Number Predominant Upwind Med537.61.1162
Triple Number Predominant Upwind High499.11.2022
Triple Number Predominant Reaching Low617.50.9717
Triple Number Predominant Reaching Med482.71.2431
Triple Number Predominant Reaching High411.91.4565
Triple Number Predominant Downwind Low680.60.8816
Triple Number Predominant Downwind Med499.51.2012
Triple Number Predominant Downwind High412.71.4540
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low632.2
Triple Number Coastal/Long Distance Medium500.3
Triple Number Coastal/Long Distance High445.7
Triple Number Windward/Leeward Low811.7
Triple Number Windward/Leeward Medium612.0
Triple Number Windward/Leeward High538.6
Predominantly Upwind544.6
Predominantly Downwind504.7
Predominantly Reaching485.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9491
Triple Number Coastal/Long Distance Medium1.1993
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7392
Triple Number Windward/Leeward Medium0.9804
Triple Number Windward/Leeward High1.1139
Coastal/Long Distance1.1008
Predominantly Upwind1.1016
Predominantly Downwind1.1888
For information
General Purpose Handicap (GPH)561.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1948
Distanseseilas Trippeltall svak vind0.9491
Distanseseilas Trippeltall mellomvind1.1993
Distanseseilas Trippeltall sterk vind1.3461
Pølsebane Trippeltall svak vind0.7392
Pølsebane Trippeltall mellomvind0.9804
Pølsebane Trippeltall sterk vind1.1139
Motvind Singeltall1.1016
Medvind Singeltall1.1888
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Coastal/Long Distance545.01.1008
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind544.61.1016
Predominantly Downwind504.71.1888
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore479.31.2517
Cape Doctor Coastal406.01.4780
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9491
Triple Number Coastal/Long Distance Medium1.1993
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7392
Triple Number Windward/Leeward Medium0.9804
Triple Number Windward/Leeward High1.1139
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9491
Triple Number Coastal/Long Distance Medium1.1993
Triple Number Coastal/Long Distance High1.3461
Triple Number Windward/Leeward Low0.7392
Triple Number Windward/Leeward Medium0.9804
Triple Number Windward/Leeward High1.1139
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Predominantly Upwind544.61.1016
Predominantly Downwind504.71.1888
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance545.01.1008
Triple Number Coastal/Long Distance Low632.20.9491
Triple Number Coastal/Long Distance Medium500.31.1993
Triple Number Coastal/Long Distance High445.71.3461
Triple Number Windward/Leeward Low811.70.7392
Triple Number Windward/Leeward Medium612.00.9804
Triple Number Windward/Leeward High538.61.1139
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1291.4896.5682.0576.9519.9487.2458.3404.9379.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP520.71.1522 Predom. Dn High386.51.5525 5B AP M/H453.71.3224 TriNum AP Low632.20.9491 Predom. Rc Low677.00.8863 5B AP High423.71.4162 TriNum AP Med500.41.1991 Predom. Rc L/M524.01.1451 5B SF Bay Low804.60.7457 TriNum AP High445.71.3461 Predom. Rc Med469.01.2793 5B SF Bay L/M666.40.9004 TriNum W/L Low851.10.7049 Predom. Rc M/H428.41.4006 5B SF Bay Med581.11.0326 TriNum W/L Med612.00.9804 Predom. Rc High396.91.5119 5B SF Bay M/H531.01.1299 TriNum W/L Hig538.61.1139 5B W/L Low954.40.6286 5B SF Bay High493.81.2150 Predom. Upwind566.81.0585 5B W/L L/M699.10.8582 ChiMac Up Low679.40.8831 Predom. Reaching496.51.2084 5B W/L Med603.20.9946 ChiMac Up Med616.10.9738 Predom. Downwind524.91.1430 5B W/L M/H549.41.0921 ChiMac Up High541.41.1083 Predom. Up Low770.40.7789 5B W/L High507.61.1819 ChiMac Off Low657.70.9123 Predom. Up L/M590.21.0166 W/L 60-40 Low960.90.6244 ChiMac Off Med583.41.0285 Predom. Up Med530.31.1315 W/L 60-40 L/M707.50.8480 ChiMac Off High491.31.2213 Predom. Up M/H498.11.2045 W/L 60-40 Med615.20.9754 ChiMac AP Low665.30.9018 Predom. Up High478.61.2537 W/L 60-40 M/H566.21.0597 ChiMac AP Med597.61.0040 Predom. Dn Low760.00.7895 W/L 60-40 High531.41.1290 ChiMac AP High515.31.1644 Predom. Dn L/M566.81.0587 5B AP Low701.10.8558 BayMac Cove Island764.70.7846 Predom. Dn Med490.91.2222 5B AP L/M558.11.0751 BayMac Shore758.70.7908 Predom. Dn M/H435.01.3794 5B AP Med494.11.2142 Harvest Moon439.51.3652      SA/DSPL Up27.60SA/DSPL Dn64.04
ORC Ref  04560004TUR Issued on 23/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHMOKIN JOEUSA 20
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 111Measurement13/05/2011HINPlan reviewHull constructionCoredCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall11.121Maximum beam3.302Draft2.188Displacement4,261Wetted area23.60IMS L10.405LSM09.972Accomod. length10.732Sink (kg/mm) 18.21
VCGD-0.209VCGM-0.221 RM Rated (kg·m) 116.1Limit of positive stability(°) 126.5 Stability Index 126.2 BLR index 0.0000Default crew weight686 Declared crew weight 698
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 Date01/06/2011
SFFP0.994FFM1.243FF1.257LCFcl6.094SG1.0000
SAFP10.966FAM0.878FA0.887LCFsh6.310HBI1.070
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004TUR Issued on 23/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
SHMOKIN JOEUSA 20
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.DateCommentA1.518.1715.0316.609.598.96107%130.9205/07/2025158915ORC17.5514.8516.209.5210.1094%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  04560004TUR Issued on 23/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org