Club
Certificate
2023

Boat

Shamrock

USA 11166

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 Angles44.2°42.6°41.7°40.2°39.4°39.0°38.8°
Beat VMG3.293.924.404.694.834.914.98
52°5.035.906.436.716.846.926.99
60°5.326.166.606.867.017.097.18
75°5.506.306.737.007.207.357.51
90°5.406.306.827.147.357.497.80
110°5.266.296.887.257.567.828.28
120°5.126.176.817.227.577.888.46
135°4.675.746.526.997.357.718.41
150°3.985.035.926.597.017.358.00
Run VMG3.454.365.145.826.396.837.48
Gybe Angles146.0°150.5°152.9°159.2°173.6°177.2°179.0°

APH: 592.1

CDL: 8.109

GPH: 663.4

CertNo: US7214

BOAT
ClassC&C 35 MkIDesignerC&CBuilderHinterhoellerAge date01/1971Series date01/1969Offset fileUS120.OFFData fileUS7214
HULL
Length Overall10.555 mMaximum Beam3.255 mDraft1.569 mDisplacement5,080 kgDLR8.6204IMS DivisionPerformanceDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.314m
CREW
Maximum weight805 kgMinimum weight604 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail28.4129.01Headsail Luffed45.0145.01Headsail FlyingSymmetric88.6288.62Asymmetric74.0374.03 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail8.34Storm Jib9.04Heavy Weather Jib24.40
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
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  04560002P8JIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Shamrock

USA 11166

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 VMG1095.7917.4818.7767.0745.4732.9722.6
52°715.0609.8559.8536.5526.4520.6515.4
60°676.3584.7545.1524.8513.7507.7501.5
75°654.4571.4535.0514.4499.9490.1479.4
90°666.3571.8527.5504.3490.0480.5461.6
110°684.0572.3523.4496.7476.5460.3435.0
120°703.4583.1528.3498.7475.6456.9425.8
135°771.2627.4552.5515.3489.6466.9428.1
150°904.8715.4608.2546.6513.9490.0449.7
Run VMG1044.8825.9700.5618.5563.3526.7481.0
Selected Courses
Windward / Leeward1070.3871.7759.6692.7654.3629.8601.8
All purpose826.6685.9612.4571.4547.9532.0509.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward724.40.8283
All purpose592.11.0134
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7242
Downwind "popa"0.8822
70% up, 30% down "Ilhabela"0.7653
30% up, 70% down "Ilhabela-inverso"0.8280
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Predominantly Upwind639.70.9379
Predominantly Downwind599.81.0004
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.20.7934
Triple Number All Purpose Medium588.71.0192
Triple Number All Purpose High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Predominantly Upwind639.70.9379
Predominantly Downwind599.81.0004
Predominantly Upwind Low842.10.7125
Predominantly Upwind Medium660.90.9079
Predominantly Upwind High613.90.9773
Predominantly Downwind Low822.70.7293
Predominantly Downwind Medium593.81.0105
Predominantly Downwind High499.71.2007
Chicago-Mac Upwind0.9209
Chicago-Mac All Purpose0.9487
Chicago-Mac Downwind0.9831
Bayview-Mac Cove Island0.8840
Bayview-Mac Shore0.8913
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching563.01.0657
Predominantly Reaching Low685.10.8758
Predominantly Reaching Medium557.41.0763
Predominantly Reaching High496.11.2095
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1055.00.5687
5-Band Low / Medium889.80.6743
5-Band Medium707.10.8485
5-Band Medium / High634.50.9456
5-Band High606.70.9890
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance643.9
Triple Number Coastal/Long Distance Low756.2
Triple Number Coastal/Long Distance Medium588.7
Triple Number Coastal/Long Distance High527.7
Triple Number Windward/Leeward Low971.0
Triple Number Windward/Leeward Medium720.4
Triple Number Windward/Leeward High625.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0192
Triple Number Coastal/Long Distance High1.1371
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low756.2
Triple Number Coastal/Long Distance Medium588.7
Triple Number Coastal/Long Distance High527.7
Triple Number Windward/Leeward Low971.0
Triple Number Windward/Leeward Medium720.4
Triple Number Windward/Leeward High625.5
Predominantly Upwind639.7
Predominantly Downwind599.8
Predominantly Reaching576.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0192
Triple Number Coastal/Long Distance High1.1371
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9593
Coastal/Long Distance0.9319
Predominantly Upwind0.9379
Predominantly Downwind1.0004
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7934
Tretall Distanseseilas Mellomvind1.0192
Tretall Distanseseilas Mye vind1.1371
Tretall Pølsebane Lite vind0.6179
Tretall Pølsebane Mellomvind0.8329
Tretall Pølsebane Mye vind0.9593
Distanseseilas ett tall (OSN 8-16kn)0.9319
Distanseseilas ett tall (APH 6-20kn)1.0134
Enkeltall Motvind0.9379
Enkeltall Medvind1.0004
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Coastal/Long Distance643.90.9319
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind639.70.9379
Predominantly Downwind599.81.0004
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore610.20.9832
Cape Doctor Coastal516.51.1617
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0192
Triple Number Coastal/Long Distance High1.1371
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9593
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7934
Triple Number Coastal/Long Distance Medium1.0192
Triple Number Coastal/Long Distance High1.1371
Triple Number Windward/Leeward Low0.6179
Triple Number Windward/Leeward Medium0.8329
Triple Number Windward/Leeward High0.9593
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Predominantly Upwind639.70.9379
Predominantly Downwind599.81.0004
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance643.90.9319
Triple Number Coastal/Long Distance Low756.20.7934
Triple Number Coastal/Long Distance Medium588.71.0192
Triple Number Coastal/Long Distance High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1067.7820.1686.9608.8568.2537.8489.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low756.20.7934
Triple Number All Purpose Medium588.71.0192
Triple Number All Purpose High527.71.1371
Triple Number Windward/Leeward Low971.00.6179
Triple Number Windward/Leeward Medium720.40.8329
Triple Number Windward/Leeward High625.50.9593
Predominantly Upwind639.70.9379
Predominantly Downwind599.81.0004
Predominantly Upwind Low842.10.7125
Predominantly Upwind Medium660.90.9079
Predominantly Upwind High613.90.9773
Predominantly Downwind Low822.70.7293
Predominantly Downwind Medium593.81.0105
Predominantly Downwind High499.71.2007
Chicago-Mac Upwind0.9209
Chicago-Mac All Purpose0.9487
Chicago-Mac Downwind0.9831
Bayview-Mac Cove Island0.8840
Bayview-Mac Shore0.8913
Harvest Moon Regatta516.51.1617
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy615.50.9748
San Francisco Bay Medium714.70.8395
Predominantly Reaching563.01.0657
Predominantly Reaching Low685.10.8758
Predominantly Reaching Medium557.41.0763
Predominantly Reaching High496.11.2095
Windward/Leeward 60-40 Low978.10.6135
Windward/Leeward 60-40 Medium744.50.8059
Windward/Leeward 60-40 High661.80.9067
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1055.00.5687
5-Band Low / Medium889.80.6743
5-Band Medium707.10.8485
5-Band Medium / High634.50.9456
5-Band High606.70.9890
ORC Ref  04560002P8JIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Shamrock

USA 11166

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 35 MkIMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.555Max. Beam3.255Draft1.569Displacement5,080Wetted area22.37IMS L8.638LSM08.383Acc. length10.555Sink (kg/mm) 16.92
VCGD0.088VCGM0.101RM Rated (kg·m) 103.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.314PBW0.122PIPA0.0046
PSD0.022PHD0.068PHL0.116
PSA25.0°ESL0.634
ST10.019ST20.074ST30.089
ST40.043ST50.116
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P11.583IG13.442ISP13.442MDT10.129MDL10.202MDT20.129MDL20.202TL0.000MW0.000GO0.000
E4.114J4.420BAS1.486FSD0.028SFJ0.000SPL4.508WPLTPS0.000BD0.113MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date20/07/2021MeasurerComment
SFFP0.649FFMFF1.244LCFcl5.949SG
SAFP10.208FAMFA0.846LCFsh6.181HBI0.887
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002P8JIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Shamrock

USA 11166

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-230.120.861.552.673.4628.4109/02/202317364714304550.130.851.492.563.2627.37Pre-2017 Class Main (EST MGL)
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1484610.090.891.713.395.096.8513.18NoNo 45.0102/04/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentOUS122178-00113.4213.4213.427.967.7888.6209/03/2017AP SPINNAKER
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA313.5512.7413.156.467.9581%74.0306/05/2023OUS145025-001
ORC Ref  04560002P8JIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org