Club
Certificate
2023

Boat

Sailing Inc.1

USA 311

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°40.2°38.8°38.2°38.1°38.0°38.2°
Beat VMG3.934.775.175.335.425.475.50
52°5.966.987.427.647.797.908.02
60°6.277.207.758.048.238.378.53
75°6.497.358.098.638.949.179.51
90°6.357.298.048.909.5910.0110.63
110°6.477.608.388.969.5110.0511.94
120°6.347.548.589.4010.0910.7612.05
135°5.647.088.089.2710.5811.8013.65
150°4.746.047.088.049.1010.3113.51
Run VMG4.105.236.136.977.888.9311.70
Gybe Angles142.6°145.6°148.7°149.2°146.0°144.7°145.1°

APH: 490.0

CDL: 9.556

GPH: 550.7

CertNo: US3131

BOAT
ClassCape 31DesignerMark MillsBuilderNoordhoekAge date06/2022Series date01/2016Offset fileCAPE31.offData fileUSA311-31
HULL
Length Overall9.573 mMaximum Beam3.054 mDraft2.440 mDisplacement1,821 kgDLR2.7283IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight595 kgMinimum weight446 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail36.5637.80Headsail Luffed24.5324.53Headsail FlyingSymmetricAsymmetric119.10119.10 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.85Storm Jib7.85Heavy Weather Jib21.19
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
martinkullman@gmail.com
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  04560002I6IIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Sailing Inc.1

USA 311

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 VMG915.3754.5696.8675.1664.7658.7654.5
52°603.6516.0484.9470.9461.9455.7449.1
60°573.8500.2464.6447.8437.5430.3422.0
75°554.9489.9444.7417.1402.7392.5378.6
90°567.1494.0447.7404.5375.5359.5338.7
110°556.5473.9429.5401.7378.4358.3301.5
120°567.9477.2419.3383.0356.9334.6298.9
135°638.7508.6445.3388.3340.4305.0263.7
150°759.5596.4508.7447.6395.7349.0266.5
Run VMG877.0688.7587.4516.8456.9403.0307.8
Selected Courses
Windward / Leeward896.1721.6642.1596.0560.8530.8481.2
All purpose691.0571.5513.6477.0449.9428.5393.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward613.50.9780
All purpose490.01.2244
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8367
Downwind "popa"1.0944
70% up, 30% down "Ilhabela"0.9003
30% up, 70% down "Ilhabela-inverso"1.0019
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Predominantly Upwind541.11.1089
Predominantly Downwind484.51.2384
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low631.20.9505
Triple Number All Purpose Medium490.31.2238
Triple Number All Purpose High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Predominantly Upwind541.11.1089
Predominantly Downwind484.51.2384
Predominantly Upwind Low702.50.8541
Predominantly Upwind Medium567.61.0570
Predominantly Upwind High532.11.1276
Predominantly Downwind Low686.80.8737
Predominantly Downwind Medium481.81.2452
Predominantly Downwind High361.41.6604
Chicago-Mac Upwind1.0881
Chicago-Mac All Purpose1.1445
Chicago-Mac Downwind1.2084
Bayview-Mac Cove Island1.0636
Bayview-Mac Shore1.0722
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching457.21.3124
Predominantly Reaching Low574.21.0449
Predominantly Reaching Medium456.01.3159
Predominantly Reaching High375.31.5987
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low882.70.6797
5-Band Low / Medium743.60.8069
5-Band Medium602.70.9955
5-Band Medium / High533.01.1257
5-Band High489.81.2251
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance534.1
Triple Number Coastal/Long Distance Low631.2
Triple Number Coastal/Long Distance Medium490.3
Triple Number Coastal/Long Distance High420.9
Triple Number Windward/Leeward Low808.8
Triple Number Windward/Leeward Medium613.0
Triple Number Windward/Leeward High519.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2238
Triple Number Coastal/Long Distance High1.4256
Triple Number Windward/Leeward Low0.7418
Triple Number Windward/Leeward Medium0.9788
Triple Number Windward/Leeward High1.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low631.2
Triple Number Coastal/Long Distance Medium490.3
Triple Number Coastal/Long Distance High420.9
Triple Number Windward/Leeward Low808.8
Triple Number Windward/Leeward Medium613.0
Triple Number Windward/Leeward High519.7
Predominantly Upwind541.1
Predominantly Downwind484.5
Predominantly Reaching465.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2238
Triple Number Coastal/Long Distance High1.4256
Triple Number Windward/Leeward Low0.7418
Triple Number Windward/Leeward Medium0.9788
Triple Number Windward/Leeward High1.1545
Coastal/Long Distance1.1233
Predominantly Upwind1.1089
Predominantly Downwind1.2384
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9505
Tretall Distanseseilas Mellomvind1.2238
Tretall Distanseseilas Mye vind1.4256
Tretall Pølsebane Lite vind0.7418
Tretall Pølsebane Mellomvind0.9788
Tretall Pølsebane Mye vind1.1545
Distanseseilas ett tall (OSN 8-16kn)1.1233
Distanseseilas ett tall (APH 6-20kn)1.2244
Enkeltall Motvind1.1089
Enkeltall Medvind1.2384
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Coastal/Long Distance534.11.1233
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind541.11.1089
Predominantly Downwind484.51.2384
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore496.11.2095
Cape Doctor Coastal404.31.4841
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2238
Triple Number Coastal/Long Distance High1.4256
Triple Number Windward/Leeward Low0.7418
Triple Number Windward/Leeward Medium0.9788
Triple Number Windward/Leeward High1.1545
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2238
Triple Number Coastal/Long Distance High1.4256
Triple Number Windward/Leeward Low0.7418
Triple Number Windward/Leeward Medium0.9788
Triple Number Windward/Leeward High1.1545
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Predominantly Upwind541.11.1089
Predominantly Downwind484.51.2384
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance534.11.1233
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium490.31.2238
Triple Number Coastal/Long Distance High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance894.2680.7578.2512.3468.6431.3370.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low631.20.9505
Triple Number All Purpose Medium490.31.2238
Triple Number All Purpose High420.91.4256
Triple Number Windward/Leeward Low808.80.7418
Triple Number Windward/Leeward Medium613.00.9788
Triple Number Windward/Leeward High519.71.1545
Predominantly Upwind541.11.1089
Predominantly Downwind484.51.2384
Predominantly Upwind Low702.50.8541
Predominantly Upwind Medium567.61.0570
Predominantly Upwind High532.11.1276
Predominantly Downwind Low686.80.8737
Predominantly Downwind Medium481.81.2452
Predominantly Downwind High361.41.6604
Chicago-Mac Upwind1.0881
Chicago-Mac All Purpose1.1445
Chicago-Mac Downwind1.2084
Bayview-Mac Cove Island1.0636
Bayview-Mac Shore1.0722
Harvest Moon Regatta401.91.4929
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy507.91.1813
San Francisco Bay Medium598.91.0018
Predominantly Reaching457.21.3124
Predominantly Reaching Low574.21.0449
Predominantly Reaching Medium456.01.3159
Predominantly Reaching High375.31.5987
Windward/Leeward 60-40 Low814.10.7370
Windward/Leeward 60-40 Medium637.90.9405
Windward/Leeward 60-40 High567.01.0583
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low882.70.6797
5-Band Low / Medium743.60.8069
5-Band Medium602.70.9955
5-Band Medium / High533.01.1257
5-Band High489.81.2251
ORC Ref  04560002I6IIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Sailing Inc.1

USA 311

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassCape 31MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.573Max. Beam3.054Draft2.440Displacement1,821Wetted area18.12IMS L9.327LSM08.739Acc. length9.573Sink (kg/mm) 14.50
VCGD-0.336VCGM-0.334RM Rated (kg·m) 74.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.375PBW0.100PIPA0.0036
EDL1.100ST10.065ST20.185
ST30.185ST40.110ST50.285
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.496IG12.509ISP13.809MDT10.110MDL10.210MDT20.098MDL20.140TL1.400MW0.200GO0.205
E4.500J3.585BAS1.213FSD0.030SFJ0.290SPLWPLTPS5.945BD0.160MWT79.50MCG4.720
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered74.0Flotation Date06/09/2022MeasurerComment
SFFP0.633FFMFF0.846LCFcl5.267SG
SAFP9.573FAMFA0.669LCFsh5.449HBI0.925
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002I6IIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Sailing Inc.1

USA 311

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM-11.101.512.113.043.8036.5608/10/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ20.120.631.122.002.873.7112.48YesNo 24.5303/10/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA1.515.6913.7014.709.789.51103%119.10
ORC Ref  04560002I6IIssued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org