Club
Certificate
Non Spinnaker
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°38.4°39.0°
Beat VMG3.544.254.604.754.834.894.91
52°5.336.236.676.846.936.997.05
60°5.586.466.917.077.167.227.29
75°5.726.627.117.347.457.527.61
90°5.566.537.117.447.647.757.89
110°4.875.936.787.307.637.878.15
120°4.585.686.567.167.567.878.33
135°4.035.136.026.747.257.618.20
150°3.414.465.366.136.787.257.88
Run VMG2.963.864.685.416.096.697.50
Gybe Angles146.6°150.5°156.8°164.6°171.8°176.6°179.0°

APH: 596.4

CDL: 8.883

GPH: 671.2

CertNo: 51590

BOAT
ClassC&C 41WKDesignerC & CBuilderC & CAge date04/1984Series date05/1983Offset fileC&C41-WK.offData fileUS51590NS
HULL
Length Overall12.451 mMaximum Beam3.944 mDraft2.397 mDisplacement8,596 kgDLR9.2644IMS DivisionCruiser/RacerDynamic Allowance0.470%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail11.38Storm Jib14.84Heavy Weather Jib40.05
SAIL LIMITS
Headsails1  Spinnakers0 * Spinnaker pole aboard
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  04560002MOIIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1017.1846.1783.2758.2745.0736.5733.5
52°674.9578.1540.1526.7519.4514.7510.6
60°644.6557.4521.4509.2502.6498.4494.0
75°629.4543.9506.3490.7483.4478.7473.3
90°646.9551.0506.3483.8471.4464.2456.1
110°739.7606.6531.4493.1471.5457.7441.6
120°785.8633.8549.2502.7476.1457.6432.2
135°893.9702.2598.3533.8496.5473.2439.1
150°1054.6807.0671.7587.2531.2496.7456.8
Run VMG1217.7931.6770.0665.5590.9537.9480.2
Selected Courses
Windward / Leeward1117.4888.9776.6711.8668.0637.2606.8
All purpose854.4694.9616.8574.5548.4531.4513.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward741.30.8094
All purpose596.41.0061
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7474
Downwind "popa"0.8086
70% up, 30% down "Ilhabela"0.7648
30% up, 70% down "Ilhabela-inverso"0.7892
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Predominantly Upwind632.60.9485
Predominantly Downwind621.70.9651
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.70.7745
Triple Number All Purpose Medium592.11.0133
Triple Number All Purpose High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Predominantly Upwind632.60.9485
Predominantly Downwind621.70.9651
Predominantly Upwind Low821.20.7307
Predominantly Upwind Medium645.30.9298
Predominantly Upwind High613.50.9779
Predominantly Downwind Low896.50.6693
Predominantly Downwind Medium627.10.9568
Predominantly Downwind High505.71.1865
Chicago-Mac Upwind0.9318
Chicago-Mac All Purpose0.9374
Chicago-Mac Downwind0.9438
Bayview-Mac Cove Island0.8798
Bayview-Mac Shore0.8985
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching563.81.0641
Predominantly Reaching Low707.40.8482
Predominantly Reaching Medium561.81.0680
Predominantly Reaching High493.61.2155
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1099.80.5456
5-Band Low / Medium915.20.6556
5-Band Medium723.70.8290
5-Band Medium / High643.60.9322
5-Band High612.10.9802
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance651.5
Triple Number Coastal/Long Distance Low774.7
Triple Number Coastal/Long Distance Medium592.1
Triple Number Coastal/Long Distance High528.8
Triple Number Windward/Leeward Low1003.2
Triple Number Windward/Leeward Medium737.2
Triple Number Windward/Leeward High633.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7745
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1347
Triple Number Windward/Leeward Low0.5981
Triple Number Windward/Leeward Medium0.8139
Triple Number Windward/Leeward High0.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low774.7
Triple Number Coastal/Long Distance Medium592.1
Triple Number Coastal/Long Distance High528.8
Triple Number Windward/Leeward Low1003.2
Triple Number Windward/Leeward Medium737.2
Triple Number Windward/Leeward High633.5
Predominantly Upwind632.6
Predominantly Downwind621.7
Predominantly Reaching585.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7745
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1347
Triple Number Windward/Leeward Low0.5981
Triple Number Windward/Leeward Medium0.8139
Triple Number Windward/Leeward High0.9471
Coastal/Long Distance0.9209
Predominantly Upwind0.9485
Predominantly Downwind0.9651
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7745
Tretall Distanseseilas Mellomvind1.0133
Tretall Distanseseilas Mye vind1.1347
Tretall Pølsebane Lite vind0.5981
Tretall Pølsebane Mellomvind0.8139
Tretall Pølsebane Mye vind0.9471
Distanseseilas ett tall (OSN 8-16kn)0.9209
Distanseseilas ett tall (APH 6-20kn)1.0061
Enkeltall Motvind0.9485
Enkeltall Medvind0.9651
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Coastal/Long Distance651.50.9209
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind632.60.9485
Predominantly Downwind621.70.9651
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore616.00.9741
Cape Doctor Coastal518.51.1571
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7745
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1347
Triple Number Windward/Leeward Low0.5981
Triple Number Windward/Leeward Medium0.8139
Triple Number Windward/Leeward High0.9471
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7745
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1347
Triple Number Windward/Leeward Low0.5981
Triple Number Windward/Leeward Medium0.8139
Triple Number Windward/Leeward High0.9471
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Predominantly Upwind632.60.9485
Predominantly Downwind621.70.9651
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance651.50.9209
Triple Number Coastal/Long Distance Low774.70.7745
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1127.4838.6698.1615.5570.0536.4489.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.70.7745
Triple Number All Purpose Medium592.11.0133
Triple Number All Purpose High528.81.1347
Triple Number Windward/Leeward Low1003.20.5981
Triple Number Windward/Leeward Medium737.20.8139
Triple Number Windward/Leeward High633.50.9471
Predominantly Upwind632.60.9485
Predominantly Downwind621.70.9651
Predominantly Upwind Low821.20.7307
Predominantly Upwind Medium645.30.9298
Predominantly Upwind High613.50.9779
Predominantly Downwind Low896.50.6693
Predominantly Downwind Medium627.10.9568
Predominantly Downwind High505.71.1865
Chicago-Mac Upwind0.9318
Chicago-Mac All Purpose0.9374
Chicago-Mac Downwind0.9438
Bayview-Mac Cove Island0.8798
Bayview-Mac Shore0.8985
Harvest Moon Regatta514.11.1670
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy623.00.9631
San Francisco Bay Medium726.10.8263
Predominantly Reaching563.81.0641
Predominantly Reaching Low707.40.8482
Predominantly Reaching Medium561.81.0680
Predominantly Reaching High493.61.2155
Windward/Leeward 60-40 Low988.80.6068
Windward/Leeward 60-40 Medium748.60.8015
Windward/Leeward 60-40 High668.90.8970
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1099.80.5456
5-Band Low / Medium915.20.6556
5-Band Medium723.70.8290
5-Band Medium / High643.60.9322
5-Band High612.10.9802
ORC Ref  04560002MOIIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L10.008LSM09.752Acc. 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  04560002MOIIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  04560002MOIIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org