Club
Certificate
2023

Boat

STALWART

USA 4295

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 Angles43.5°41.8°40.5°39.6°39.3°38.8°38.8°
Beat VMG3.624.344.784.985.105.185.24
52°5.516.446.937.157.267.337.40
60°5.806.667.117.347.457.527.60
75°5.976.817.257.517.687.797.93
90°5.846.747.257.557.787.968.22
110°5.786.887.457.798.058.238.54
120°5.646.797.437.828.168.458.92
135°5.016.297.147.638.028.399.14
150°4.275.376.397.067.427.708.24
Run VMG3.694.655.546.116.436.877.60
Gybe Angles144.8°147.4°147.1°149.2°150.3°173.0°176.3°

APH: 553.6

CDL: 9.240

GPH: 617.5

CertNo: US7326

BOAT
ClassC&C 41WKDesignerC & CBuilderC & CAge date09/1988Series date06/1983Offset fileC&C41WK_JT.offData fileUSA4295
HULL
Length Overall12.472 mMaximum Beam3.950 mDraft1.865 mDisplacement7,962 kgDLR8.6552IMS DivisionCruiser/RacerDynamic Allowance0.150%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.410m
CREW
Maximum weight750 kgMinimum weight563 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail38.7039.26Headsail Luffed64.5064.50Headsail FlyingSymmetricAsymmetric152.94152.94 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib14.88Heavy Weather Jib40.16
SAIL LIMITS
Headsails5  Spinnakers4
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  04560002P8MIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

STALWART

USA 4295

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 VMG995.2830.1753.9722.5705.6695.1686.9
52°653.3559.4519.8503.6495.8491.3486.8
60°621.2540.2506.2490.6483.2478.6473.8
75°603.2529.0496.5479.4468.8462.3454.2
90°616.4533.9496.5476.5462.8452.2438.0
110°623.0523.0483.1462.0447.3437.5421.6
120°637.9530.3484.8460.1441.4426.0403.6
135°718.1572.3503.9472.0449.0429.2393.7
150°843.8670.0563.0509.9485.1467.4437.0
Run VMG974.3773.6650.1588.8560.0524.0473.4
Selected Courses
Windward / Leeward984.8801.9702.0655.6632.8609.5580.1
All purpose759.8630.5566.1535.8518.9505.0486.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward683.00.8784
All purpose553.61.0838
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7793
Downwind "popa"0.9242
70% up, 30% down "Ilhabela"0.8178
30% up, 70% down "Ilhabela-inverso"0.8754
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Predominantly Upwind596.41.0060
Predominantly Downwind560.81.0700
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low695.20.8631
Triple Number All Purpose Medium549.61.0918
Triple Number All Purpose High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Predominantly Upwind596.41.0060
Predominantly Downwind560.81.0700
Predominantly Upwind Low769.90.7793
Predominantly Upwind Medium617.00.9725
Predominantly Upwind High581.61.0316
Predominantly Downwind Low762.60.7868
Predominantly Downwind Medium556.81.0776
Predominantly Downwind High479.91.2503
Chicago-Mac Upwind0.9893
Chicago-Mac All Purpose1.0182
Chicago-Mac Downwind1.0534
Bayview-Mac Cove Island0.9540
Bayview-Mac Shore0.9620
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching525.21.1425
Predominantly Reaching Low632.00.9493
Predominantly Reaching Medium518.61.1569
Predominantly Reaching High465.71.2885
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low970.70.6181
5-Band Low / Medium820.60.7311
5-Band Medium667.90.8984
5-Band Medium / High612.50.9796
5-Band High585.21.0252
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance602.3
Triple Number Coastal/Long Distance Low695.2
Triple Number Coastal/Long Distance Medium549.6
Triple Number Coastal/Long Distance High501.5
Triple Number Windward/Leeward Low893.3
Triple Number Windward/Leeward Medium677.6
Triple Number Windward/Leeward High604.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.0918
Triple Number Coastal/Long Distance High1.1964
Triple Number Windward/Leeward Low0.6717
Triple Number Windward/Leeward Medium0.8855
Triple Number Windward/Leeward High0.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low695.2
Triple Number Coastal/Long Distance Medium549.6
Triple Number Coastal/Long Distance High501.5
Triple Number Windward/Leeward Low893.3
Triple Number Windward/Leeward Medium677.6
Triple Number Windward/Leeward High604.4
Predominantly Upwind596.4
Predominantly Downwind560.8
Predominantly Reaching537.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.0918
Triple Number Coastal/Long Distance High1.1964
Triple Number Windward/Leeward Low0.6717
Triple Number Windward/Leeward Medium0.8855
Triple Number Windward/Leeward High0.9928
Coastal/Long Distance0.9962
Predominantly Upwind1.0060
Predominantly Downwind1.0700
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8631
Tretall Distanseseilas Mellomvind1.0918
Tretall Distanseseilas Mye vind1.1964
Tretall Pølsebane Lite vind0.6717
Tretall Pølsebane Mellomvind0.8855
Tretall Pølsebane Mye vind0.9928
Distanseseilas ett tall (OSN 8-16kn)0.9962
Distanseseilas ett tall (APH 6-20kn)1.0838
Enkeltall Motvind1.0060
Enkeltall Medvind1.0700
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Coastal/Long Distance602.30.9962
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind596.41.0060
Predominantly Downwind560.81.0700
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore589.01.0187
Cape Doctor Coastal492.01.2196
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.0918
Triple Number Coastal/Long Distance High1.1964
Triple Number Windward/Leeward Low0.6717
Triple Number Windward/Leeward Medium0.8855
Triple Number Windward/Leeward High0.9928
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8631
Triple Number Coastal/Long Distance Medium1.0918
Triple Number Coastal/Long Distance High1.1964
Triple Number Windward/Leeward Low0.6717
Triple Number Windward/Leeward Medium0.8855
Triple Number Windward/Leeward High0.9928
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Predominantly Upwind596.41.0060
Predominantly Downwind560.81.0700
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance602.30.9962
Triple Number Coastal/Long Distance Low695.20.8631
Triple Number Coastal/Long Distance Medium549.61.0918
Triple Number Coastal/Long Distance High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance983.7755.2635.2571.8538.8510.3466.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low695.20.8631
Triple Number All Purpose Medium549.61.0918
Triple Number All Purpose High501.51.1964
Triple Number Windward/Leeward Low893.30.6717
Triple Number Windward/Leeward Medium677.60.8855
Triple Number Windward/Leeward High604.40.9928
Predominantly Upwind596.41.0060
Predominantly Downwind560.81.0700
Predominantly Upwind Low769.90.7793
Predominantly Upwind Medium617.00.9725
Predominantly Upwind High581.61.0316
Predominantly Downwind Low762.60.7868
Predominantly Downwind Medium556.81.0776
Predominantly Downwind High479.91.2503
Chicago-Mac Upwind0.9893
Chicago-Mac All Purpose1.0182
Chicago-Mac Downwind1.0534
Bayview-Mac Cove Island0.9540
Bayview-Mac Shore0.9620
Harvest Moon Regatta485.91.2349
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy588.01.0204
San Francisco Bay Medium666.10.9007
Predominantly Reaching525.21.1425
Predominantly Reaching Low632.00.9493
Predominantly Reaching Medium518.61.1569
Predominantly Reaching High465.71.2885
Windward/Leeward 60-40 Low897.20.6688
Windward/Leeward 60-40 Medium698.00.8596
Windward/Leeward 60-40 High635.00.9448
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low970.70.6181
5-Band Low / Medium820.60.7311
5-Band Medium667.90.8984
5-Band Medium / High612.50.9796
5-Band High585.21.0252
ORC Ref  04560002P8MIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

STALWART

USA 4295

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 41WKMeasurement21/07/2021HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.472Max. Beam3.950Draft1.865Displacement7,962Wetted area31.90IMS L9.936LSM09.725Acc. length12.472Sink (kg/mm) 21.33
VCGD-0.008VCGM0.010RM Rated (kg·m) 169.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.410PBW0.044PIPA0.0038
PSD0.031PHD0.049PHL0.125
PSA20.0°ESL0.845
ST10.040ST20.113ST30.144
ST40.049ST50.000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.994IG17.164ISP17.225MDT10.122MDL10.205MDT20.119MDL20.168TL2.372MW0.159GO0.183
E4.289J4.993BAS1.851FSD0.021SFJ0.092SPLWPLTPS5.085BD0.180MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date21/07/2021MeasurerComment
SFFP0.893FFMFF1.276LCFcl6.702SG1.0000
SAFP11.323FAMFA1.076LCFsh6.983HBI1.105
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002P8MIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

STALWART

USA 4295

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM1-42950.130.961.652.793.6438.7022/05/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.090.991.983.895.747.7916.61NoNo 64.5007/07/202100.080.961.863.725.617.4816.52NoNo 61.8015/05/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA218.5415.7917.1710.6910.70100%152.9415/06/2019A318.5116.2717.397.839.0587%117.0115/05/2023A3 Reacher
ORC Ref  04560002P8MIssued on 27/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org