Club
Certificate
2023

Boat

WINDHOVER

USA 5201

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 Angles45.0°42.4°41.4°40.8°40.6°40.6°41.1°
Beat VMG3.424.184.544.714.794.854.83
52°5.326.306.746.937.027.097.12
60°5.656.587.027.197.287.347.40
75°5.896.797.257.487.617.697.80
90°5.756.767.307.637.868.028.23
110°5.436.677.367.758.038.258.64
120°5.266.547.327.808.218.589.19
135°4.725.996.957.548.038.539.70
150°3.965.136.146.987.537.978.95
Run VMG3.434.445.326.106.717.248.10
Gybe Angles143.3°146.6°149.8°155.0°161.8°173.6°176.6°

APH: 567.5

CDL: 8.754

GPH: 636.6

CertNo: US7267

BOAT
ClassSwede 41DesignerKnut ReimerBuilderFisksatraAge date06/1974Series date01/1974Offset fileSWEDE41.offData fileUSA5201
HULL
Length Overall12.470 mMaximum Beam2.526 mDraft1.512 mDisplacement3,922 kgDLR4.6234IMS DivisionCruiser/RacerDynamic Allowance0.290%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.376m
CREW
Maximum weight490 kgMinimum weight368 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail23.6524.09Headsail Luffed37.9537.95Headsail FlyingSymmetric73.7673.76Asymmetric72.2572.25 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.62Storm Jib8.20Heavy Weather Jib22.12
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT 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  04560002PE0Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDHOVER

USA 5201

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 VMG1053.4861.9793.6765.0751.0742.9744.6
52°677.0571.6533.9519.7512.6508.1505.4
60°636.7546.8513.1500.8494.3490.3486.4
75°611.3530.0496.5481.4473.3467.9461.3
90°626.1532.8493.0472.0458.0448.8437.7
110°662.5539.9489.2464.4448.4436.2416.5
120°684.0550.4491.8461.3438.3419.7391.9
135°762.8600.7517.9477.2448.5422.0371.2
150°908.7702.2585.9515.4478.4451.5402.1
Run VMG1049.3810.8676.5590.4536.8497.2444.6
Selected Courses
Windward / Leeward1051.4836.4735.1677.7643.9620.1594.6
All purpose801.9651.2583.4548.0527.0511.9491.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward707.10.8486
All purpose567.51.0573
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7352
Downwind "popa"0.9119
70% up, 30% down "Ilhabela"0.7806
30% up, 70% down "Ilhabela-inverso"0.8506
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Predominantly Upwind616.20.9737
Predominantly Downwind570.11.0524
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low726.50.8259
Triple Number All Purpose Medium563.11.0655
Triple Number All Purpose High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Predominantly Upwind616.20.9737
Predominantly Downwind570.11.0524
Predominantly Upwind Low804.00.7463
Predominantly Upwind Medium641.40.9354
Predominantly Upwind High610.20.9833
Predominantly Downwind Low803.20.7470
Predominantly Downwind Medium564.41.0630
Predominantly Downwind High465.21.2899
Chicago-Mac Upwind0.9552
Chicago-Mac All Purpose0.9905
Chicago-Mac Downwind1.0318
Bayview-Mac Cove Island0.9259
Bayview-Mac Shore0.9342
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching532.61.1266
Predominantly Reaching Low654.30.9171
Predominantly Reaching Medium526.61.1394
Predominantly Reaching High465.81.2880
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1034.80.5798
5-Band Low / Medium862.50.6956
5-Band Medium690.00.8695
5-Band Medium / High624.70.9605
5-Band High599.01.0017
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance618.7
Triple Number Coastal/Long Distance Low726.5
Triple Number Coastal/Long Distance Medium563.1
Triple Number Coastal/Long Distance High508.2
Triple Number Windward/Leeward Low943.8
Triple Number Windward/Leeward Medium701.6
Triple Number Windward/Leeward High616.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8259
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1807
Triple Number Windward/Leeward Low0.6357
Triple Number Windward/Leeward Medium0.8552
Triple Number Windward/Leeward High0.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low726.5
Triple Number Coastal/Long Distance Medium563.1
Triple Number Coastal/Long Distance High508.2
Triple Number Windward/Leeward Low943.8
Triple Number Windward/Leeward Medium701.6
Triple Number Windward/Leeward High616.5
Predominantly Upwind616.2
Predominantly Downwind570.1
Predominantly Reaching545.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8259
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1807
Triple Number Windward/Leeward Low0.6357
Triple Number Windward/Leeward Medium0.8552
Triple Number Windward/Leeward High0.9732
Coastal/Long Distance0.9697
Predominantly Upwind0.9737
Predominantly Downwind1.0524
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8259
Tretall Distanseseilas Mellomvind1.0655
Tretall Distanseseilas Mye vind1.1807
Tretall Pølsebane Lite vind0.6357
Tretall Pølsebane Mellomvind0.8552
Tretall Pølsebane Mye vind0.9732
Distanseseilas ett tall (OSN 8-16kn)0.9697
Distanseseilas ett tall (APH 6-20kn)1.0573
Enkeltall Motvind0.9737
Enkeltall Medvind1.0524
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Coastal/Long Distance618.70.9697
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind616.20.9737
Predominantly Downwind570.11.0524
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore602.20.9963
Cape Doctor Coastal497.91.2051
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8259
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1807
Triple Number Windward/Leeward Low0.6357
Triple Number Windward/Leeward Medium0.8552
Triple Number Windward/Leeward High0.9732
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8259
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1807
Triple Number Windward/Leeward Low0.6357
Triple Number Windward/Leeward Medium0.8552
Triple Number Windward/Leeward High0.9732
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Predominantly Upwind616.20.9737
Predominantly Downwind570.11.0524
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance618.70.9697
Triple Number Coastal/Long Distance Low726.50.8259
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.2785.7659.8586.9547.1515.4466.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low726.50.8259
Triple Number All Purpose Medium563.11.0655
Triple Number All Purpose High508.21.1807
Triple Number Windward/Leeward Low943.80.6357
Triple Number Windward/Leeward Medium701.60.8552
Triple Number Windward/Leeward High616.50.9732
Predominantly Upwind616.20.9737
Predominantly Downwind570.11.0524
Predominantly Upwind Low804.00.7463
Predominantly Upwind Medium641.40.9354
Predominantly Upwind High610.20.9833
Predominantly Downwind Low803.20.7470
Predominantly Downwind Medium564.41.0630
Predominantly Downwind High465.21.2899
Chicago-Mac Upwind0.9552
Chicago-Mac All Purpose0.9905
Chicago-Mac Downwind1.0318
Bayview-Mac Cove Island0.9259
Bayview-Mac Shore0.9342
Harvest Moon Regatta483.81.2401
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy603.50.9941
San Francisco Bay Medium692.00.8671
Predominantly Reaching532.61.1266
Predominantly Reaching Low654.30.9171
Predominantly Reaching Medium526.61.1394
Predominantly Reaching High465.81.2880
Windward/Leeward 60-40 Low946.60.6338
Windward/Leeward 60-40 Medium728.00.8242
Windward/Leeward 60-40 High660.40.9085
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1034.80.5798
5-Band Low / Medium862.50.6956
5-Band Medium690.00.8695
5-Band Medium / High624.70.9605
5-Band High599.01.0017
ORC Ref  04560002PE0Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDHOVER

USA 5201

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwede 41Measurement19/05/2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.470Max. Beam2.526Draft1.512Displacement3,922Wetted area21.49IMS L9.887LSM09.466Acc. length8.210Sink (kg/mm) 14.66
VCGD-0.087VCGM-0.079RM Rated (kg·m) 56.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.376PBW0.100PIPA0.0031
EDL0.623ST10.041ST20.345
ST30.193ST40.112ST50.179
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.210IG12.559ISP12.569MDT10.122MDL10.165MDT20.122MDL20.165TL0.000MW0.165GO0.240
E3.370J4.000BAS1.084FSD0.028SFJ0.640SPL4.360WPLTPS4.360BD0.110MWT108.00MCG4.625
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date19/05/2021MeasurerComment
SFFP0.616FFMFF0.927LCFcl6.635SG1.0000
SAFP11.830FAMFA0.591LCFsh6.748HBI0.800
W161.7W261.7W361.7W461.7LCFD5.479
PD1274.6PD2276.0PD3285.1PD4276.4
WD3.248PLM9000.00GSA1.0RSA1.0RM56.8
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Water PVC Port centerline under port cockpit seat2307.840.001Fuel SS Port side0.900023238.241.00Total deductible218.241.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG1Battery12V AGM house & engine, centerline203.34-0.201EngineVolvo 6GM 12 hpTotal deductible0
ORC Ref  04560002PE0Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WINDHOVER

USA 5201

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.110.741.382.313.0123.6501/04/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.060.781.553.054.616.0412.41NoNo 37.9501/04/2021
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS212.4712.4712.477.107.0973.7601/04/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA-sail12.5911.7312.167.137.13100%72.2529/06/2021
ORC Ref  04560002PE0Issued on 29/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org