Club
Certificate
2023

Boat

LaMour

51590

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 Angles42.4°39.6°38.8°38.4°38.4°38.7°39.0°
Beat VMG3.544.254.604.754.834.894.91
52°5.336.236.676.846.937.007.05
60°5.586.466.917.077.177.237.29
75°5.726.627.117.347.457.527.61
90°5.566.537.117.447.647.767.90
110°5.496.627.267.597.797.948.17
120°5.316.467.217.647.938.158.48
135°4.795.936.827.397.798.158.76
150°4.055.146.076.837.367.748.40
Run VMG3.514.455.265.976.597.147.87
Gybe Angles144.2°147.8°151.1°155.9°166.4°176.6°178.4°

APH: 572.8

CDL: 8.887

GPH: 639.8

CertNo: 51590

BOAT
ClassC&C 41WKDesignerC & CBuilderC & CAge date04/1984Series date05/1983Offset fileC&C41-WK.offData fileUS51590
HULL
Length Overall12.451 mMaximum Beam3.944 mDraft2.397 mDisplacement8,596 kgDLR9.2644IMS DivisionCruiser/RacerDynamic Allowance0.440%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.522m
CREW
Maximum weight900 kgMinimum weight675 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail38.7039.21Headsail Luffed55.9355.93Headsail FlyingSymmetricAsymmetric113.92113.92 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.38Storm Jib14.84Heavy Weather Jib40.05
SAIL LIMITS
Headsails1  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  04560002MOHIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LaMour

51590

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 VMG1017.4846.3783.0757.9744.7736.2733.1
52°675.1578.3540.0526.5519.3514.5510.4
60°644.9557.5521.3509.0502.4498.3493.8
75°629.6544.1506.4490.6483.3478.6473.2
90°647.2551.2506.4483.9471.4464.2456.0
110°655.5543.5496.0474.5462.4453.6440.8
120°677.6557.3499.3471.1454.0441.5424.6
135°752.0606.7528.2487.1462.0442.0410.9
150°889.5700.6593.2527.0489.3465.4428.6
Run VMG1027.1809.0684.6602.8545.9504.5457.2
Selected Courses
Windward / Leeward1022.3827.6733.8680.4645.3620.4595.2
All purpose791.4652.7587.7554.2534.2520.6504.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward705.60.8503
All purpose572.81.0476
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7475
Downwind "popa"0.9069
70% up, 30% down "Ilhabela"0.7891
30% up, 70% down "Ilhabela-inverso"0.8524
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind619.20.9690
Predominantly Downwind578.31.0375
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low722.00.8310
Triple Number All Purpose Medium568.61.0553
Triple Number All Purpose High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind619.20.9690
Predominantly Downwind578.31.0375
Predominantly Upwind Low793.80.7558
Predominantly Upwind Medium641.70.9350
Predominantly Upwind High611.30.9814
Predominantly Downwind Low796.90.7529
Predominantly Downwind Medium573.71.0458
Predominantly Downwind High480.31.2493
Chicago-Mac Upwind0.9523
Chicago-Mac All Purpose0.9824
Chicago-Mac Downwind1.0180
Bayview-Mac Cove Island0.9225
Bayview-Mac Shore0.9314
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching542.51.1061
Predominantly Reaching Low659.30.9101
Predominantly Reaching Medium536.31.1188
Predominantly Reaching High480.91.2476
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1007.30.5957
5-Band Low / Medium850.60.7054
5-Band Medium690.60.8688
5-Band Medium / High625.40.9594
5-Band High599.51.0008
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance622.5
Triple Number Coastal/Long Distance Low722.0
Triple Number Coastal/Long Distance Medium568.6
Triple Number Coastal/Long Distance High518.0
Triple Number Windward/Leeward Low924.9
Triple Number Windward/Leeward Medium701.7
Triple Number Windward/Leeward High617.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8310
Triple Number Coastal/Long Distance Medium1.0553
Triple Number Coastal/Long Distance High1.1584
Triple Number Windward/Leeward Low0.6487
Triple Number Windward/Leeward Medium0.8551
Triple Number Windward/Leeward High0.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low722.0
Triple Number Coastal/Long Distance Medium568.6
Triple Number Coastal/Long Distance High518.0
Triple Number Windward/Leeward Low924.9
Triple Number Windward/Leeward Medium701.7
Triple Number Windward/Leeward High617.2
Predominantly Upwind619.2
Predominantly Downwind578.3
Predominantly Reaching554.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8310
Triple Number Coastal/Long Distance Medium1.0553
Triple Number Coastal/Long Distance High1.1584
Triple Number Windward/Leeward Low0.6487
Triple Number Windward/Leeward Medium0.8551
Triple Number Windward/Leeward High0.9722
Coastal/Long Distance0.9638
Predominantly Upwind0.9690
Predominantly Downwind1.0375
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8310
Tretall Distanseseilas Mellomvind1.0553
Tretall Distanseseilas Mye vind1.1584
Tretall Pølsebane Lite vind0.6487
Tretall Pølsebane Mellomvind0.8551
Tretall Pølsebane Mye vind0.9722
Distanseseilas ett tall (OSN 8-16kn)0.9638
Distanseseilas ett tall (APH 6-20kn)1.0476
Enkeltall Motvind0.9690
Enkeltall Medvind1.0375
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Coastal/Long Distance622.50.9638
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind619.20.9690
Predominantly Downwind578.31.0375
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore602.70.9955
Cape Doctor Coastal509.41.1779
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8310
Triple Number Coastal/Long Distance Medium1.0553
Triple Number Coastal/Long Distance High1.1584
Triple Number Windward/Leeward Low0.6487
Triple Number Windward/Leeward Medium0.8551
Triple Number Windward/Leeward High0.9722
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8310
Triple Number Coastal/Long Distance Medium1.0553
Triple Number Coastal/Long Distance High1.1584
Triple Number Windward/Leeward Low0.6487
Triple Number Windward/Leeward Medium0.8551
Triple Number Windward/Leeward High0.9722
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind619.20.9690
Predominantly Downwind578.31.0375
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance622.50.9638
Triple Number Coastal/Long Distance Low722.00.8310
Triple Number Coastal/Long Distance Medium568.61.0553
Triple Number Coastal/Long Distance High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1022.7780.4661.7592.3554.1525.1482.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low722.00.8310
Triple Number All Purpose Medium568.61.0553
Triple Number All Purpose High518.01.1584
Triple Number Windward/Leeward Low924.90.6487
Triple Number Windward/Leeward Medium701.70.8551
Triple Number Windward/Leeward High617.20.9722
Predominantly Upwind619.20.9690
Predominantly Downwind578.31.0375
Predominantly Upwind Low793.80.7558
Predominantly Upwind Medium641.70.9350
Predominantly Upwind High611.30.9814
Predominantly Downwind Low796.90.7529
Predominantly Downwind Medium573.71.0458
Predominantly Downwind High480.31.2493
Chicago-Mac Upwind0.9523
Chicago-Mac All Purpose0.9824
Chicago-Mac Downwind1.0180
Bayview-Mac Cove Island0.9225
Bayview-Mac Shore0.9314
Harvest Moon Regatta497.11.2071
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy607.10.9883
San Francisco Bay Medium691.20.8680
Predominantly Reaching542.51.1061
Predominantly Reaching Low659.30.9101
Predominantly Reaching Medium536.31.1188
Predominantly Reaching High480.91.2476
Windward/Leeward 60-40 Low926.30.6477
Windward/Leeward 60-40 Medium725.10.8275
Windward/Leeward 60-40 High658.00.9119
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1007.30.5957
5-Band Low / Medium850.60.7054
5-Band Medium690.60.8688
5-Band Medium / High625.40.9594
5-Band High599.51.0008
ORC Ref  04560002MOHIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LaMour

51590

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 41WKMeasurement10/07/1988HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.451Max. Beam3.944Draft2.397Displacement8,596Wetted area34.77IMS L10.010LSM09.752Acc. length12.451Sink (kg/mm) 21.81
VCGD0.527VCGM0.522RM Rated (kg·m) 93.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.522PBW0.135PIPA0.0038
PSD0.031PHD0.049PHL0.125
PSA20.5°ESL0.845
ST10.040ST20.113ST30.144
ST40.049ST50.000
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders3Rotating mastNo
P15.240IG17.069ISP17.069MDT10.122MDL10.201MDT20.119MDL20.158TL3.383MW0.162GO0.207
E4.267J5.029BAS1.695FSDSFJ0.091SPL5.029WPLTPS0.000BD0.168MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered96.5Flotation Date30/06/1994MeasurerComment
SFFP0.887FFMFF1.246LCFcl6.718SG1.0230
SAFP11.329FAMFA1.060LCFsh7.000HBI1.078
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002MOHIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

LaMour

51590

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.130.951.652.713.5738.70
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.040.771.733.445.027.0216.33NoNo 55.93
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment017.0015.0016.008.568.48101%113.92
ORC Ref  04560002MOHIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org