Club
Certificate
2022

Boat

SPARROW

USA 60321

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 Angles42.0°40.6°40.6°38.7°37.6°37.0°36.6°
Beat VMG3.444.164.765.175.365.475.56
52°5.206.206.927.267.447.547.63
60°5.476.497.107.417.607.747.86
75°5.646.687.237.547.777.978.23
90°5.546.727.377.657.828.068.48
110°5.626.867.497.898.238.478.83
120°5.466.707.417.848.248.629.19
135°4.916.117.077.587.978.389.18
150°4.195.256.266.977.367.648.20
Run VMG3.624.555.426.046.376.797.56
Gybe Angles144.8°147.5°146.2°148.4°149.8°170.0°176.3°

APH: 551.7

CDL: 9.561

GPH: 620.9

CertNo: US6032

BOAT
ClassC&C 41WKDesignerC & CBuilderC & CAge date09/1988Series date06/1983Offset fileC&C41-WK.offData fileUSA60321
HULL
Length Overall12.464 mMaximum Beam3.944 mDraft2.368 mDisplacement7,967 kgDLR7.6783IMS DivisionPerformanceDynamic Allowance0.312%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.630m
CREW
Maximum weight908 kgMinimum weight681 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail35.9136.21Headsail Luffed56.7256.72Headsail FlyingSymmetricAsymmetric136.85136.85 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.26Storm Jib14.88Heavy Weather Jib40.16
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment173.3 kg·mStability 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.

Club
Certificate
2022

Boat

SPARROW

USA 60321

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 VMG1045.0866.0755.9696.5671.5657.7647.0
52°692.0580.6520.4496.2484.1477.7471.8
60°658.6554.6507.0486.0473.6465.4458.2
75°638.1538.9497.9477.6463.2452.0437.4
90°650.0535.5488.7470.9460.3446.4424.5
110°640.3524.5480.4456.5437.5425.1407.9
120°659.6537.0485.7459.2436.9417.5391.9
135°733.2589.5509.0475.2451.4429.5392.0
150°860.2685.4575.4516.4489.3470.9439.1
Run VMG993.3791.4664.5596.3565.0530.4476.1
Selected Courses
Windward / Leeward1019.2828.7710.2646.4618.2594.1561.5
All purpose789.8647.3569.0529.7509.3493.2471.5
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward680.90.8812
All purpose551.71.0876
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7866
Downwind "popa"0.9097
70% up, 30% down "Ilhabela"0.8199
30% up, 70% down "Ilhabela-inverso"0.8689
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Predominantly Upwind594.51.0092
Predominantly Downwind565.71.0606
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low718.60.8350
Triple Number All Purpose Medium547.51.0959
Triple Number All Purpose High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Predominantly Upwind594.51.0092
Predominantly Downwind565.71.0606
Predominantly Upwind Low802.00.7481
Predominantly Upwind Medium609.70.9841
Predominantly Upwind High558.21.0748
Predominantly Downwind Low783.90.7654
Predominantly Downwind Medium561.91.0679
Predominantly Downwind High479.51.2514
Chicago-Mac Upwind0.9915
Chicago-Mac All Purpose1.0148
Chicago-Mac Downwind1.0444
Bayview-Mac Cove Island0.9389
Bayview-Mac Shore0.9494
Victoria-Maui1.1025
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance601.7
Triple Number Coastal/Long Distance Low718.6
Triple Number Coastal/Long Distance Medium547.5
Triple Number Coastal/Long Distance High489.1
Triple Number Windward/Leeward Low923.9
Triple Number Windward/Leeward Medium675.8
Triple Number Windward/Leeward High587.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8350
Triple Number Coastal/Long Distance Medium1.0959
Triple Number Coastal/Long Distance High1.2268
Triple Number Windward/Leeward Low0.6494
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low718.6
Triple Number Coastal/Long Distance Medium547.5
Triple Number Coastal/Long Distance High489.1
Triple Number Windward/Leeward Low923.9
Triple Number Windward/Leeward Medium675.8
Triple Number Windward/Leeward High587.9
Predominantly Upwind594.5
Predominantly Downwind565.7
Predominantly Reaching539.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8350
Triple Number Coastal/Long Distance Medium1.0959
Triple Number Coastal/Long Distance High1.2268
Triple Number Windward/Leeward Low0.6494
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0206
Coastal/Long Distance0.9972
Predominantly Upwind1.0092
Predominantly Downwind1.0606
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9972
Tretall Distanseseilas Lite vind0.8350
Tretall Distanseseilas Mellomvind1.0959
Tretall Distanseseilas Mye vind1.2268
Tretall Pølsebane Lite vind0.6494
Tretall Pølsebane Mellomvind0.8878
Tretall Pølsebane Mye vind1.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Coastal/Long Distance601.70.9972
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind594.51.0092
Predominantly Downwind565.71.0606
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore571.31.0502
Cape Doctor Coastal478.01.2553
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8350
Triple Number Coastal/Long Distance Medium1.0959
Triple Number Coastal/Long Distance High1.2268
Triple Number Windward/Leeward Low0.6494
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0206
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8350
Triple Number Coastal/Long Distance Medium1.0959
Triple Number Coastal/Long Distance High1.2268
Triple Number Windward/Leeward Low0.6494
Triple Number Windward/Leeward Medium0.8878
Triple Number Windward/Leeward High1.0206
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Predominantly Upwind594.51.0092
Predominantly Downwind565.71.0606
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance601.70.9972
Triple Number Coastal/Long Distance Low718.60.8350
Triple Number Coastal/Long Distance Medium547.51.0959
Triple Number Coastal/Long Distance High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.6778.6640.8564.7528.8498.7453.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low718.60.8350
Triple Number All Purpose Medium547.51.0959
Triple Number All Purpose High489.11.2268
Triple Number Windward/Leeward Low923.90.6494
Triple Number Windward/Leeward Medium675.80.8878
Triple Number Windward/Leeward High587.91.0206
Predominantly Upwind594.51.0092
Predominantly Downwind565.71.0606
Predominantly Upwind Low802.00.7481
Predominantly Upwind Medium609.70.9841
Predominantly Upwind High558.21.0748
Predominantly Downwind Low783.90.7654
Predominantly Downwind Medium561.91.0679
Predominantly Downwind High479.51.2514
Chicago-Mac Upwind0.9915
Chicago-Mac All Purpose1.0148
Chicago-Mac Downwind1.0444
Bayview-Mac Cove Island0.9389
Bayview-Mac Shore0.9494
Harvest Moon Regatta487.81.2301
Victoria-Maui1.1025
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low1004.50.5973
5-Band Low / Medium843.10.7116
5-Band Medium663.20.9046
5-Band Medium / High597.11.0049
5-Band High567.21.0579

Club
Certificate
2022

Boat

SPARROW

USA 60321

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 constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.464Max. Beam3.944Draft2.368Displacement7,967Wetted area33.77IMS L9.928LSM010.123Acc. length12.464Sink (kg/mm) 21.15
VCGD-0.113VCGM-0.088RM Measured (kg·m) 173.3RM Default (kg·m) 173.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.630PBW0.044PIPA0.0038
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/Checkstays0Spreaders2
P14.994IG17.164ISP17.225MDT10.122MDL10.205MDT20.119MDL20.168TL2.372MW0.159GO0.183
E4.289J4.993BAS1.851FSD0.021SFJ0.092SPLWPLTPS4.992BD0.180MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date21/07/2021MeasurerComment
SFFP0.887FFMFF1.283LCFcl6.689SG1.0000
SAFP11.329FAMFA1.083LCFsh6.971HBI1.111
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2022

Boat

SPARROW

USA 60321

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialCommentMain0.170.761.392.523.4535.9119/04/2022North MW
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentGenoa0.080.821.603.285.107.0416.70NoNo 56.7225/05/2022North MW
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialCommentA218.9615.3617.169.798.69113%136.8525/05/2022North MWUnknownCruise A16.9115.5816.257.898.1197%107.4118/04/2022HorizonUnknown