Club
Certificate
2022

Boat

Muskrat

USA 93300

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 Angles42.3°40.6°39.0°37.0°36.4°36.0°35.7°
Beat VMG3.514.294.915.225.345.415.54
52°5.346.386.987.227.337.407.52
60°5.646.647.147.407.557.647.76
75°5.856.827.277.597.888.108.30
90°5.967.027.477.717.998.378.92
110°5.977.087.648.188.628.979.62
120°5.796.967.548.148.799.4210.34
135°5.216.457.217.738.349.0310.86
150°4.405.556.547.167.547.949.24
Run VMG3.814.815.676.216.537.048.00
Gybe Angles143.5°146.9°149.3°150.7°150.7°174.8°142.6°

APH: 538.8

CDL: 9.492

GPH: 604.4

CertNo: US6511

BOAT
ClassJ 105DesignerJohnstoneBuilderTPIAge date01/1994Series date01/1992Offset fileUS93300.offData fileUS6511
HULL
Length Overall10.494 mMaximum Beam3.346 mDraft2.170 mDisplacement3,673 kgDLR4.3276IMS DivisionCruiser/RacerDynamic Allowance0.169%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.375m
CREW
Maximum weight685 kgMinimum weight514 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail35.5136.07Headsail Luffed26.8626.86Headsail FlyingSymmetricAsymmetric88.4588.45 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail10.46Storm Jib8.26Heavy Weather Jib22.29
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment86.4 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.
ORC Ref  033300021HVIssued on 06/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Muskrat

USA 93300

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 VMG1026.8839.0733.5689.6674.0666.0650.2
52°673.9563.9516.1498.4491.0486.6478.7
60°638.4541.9504.5486.5476.8471.1464.2
75°615.2527.8495.5474.3456.6444.5433.9
90°604.3512.8482.1467.0450.5429.9403.7
110°602.8508.3471.3439.9417.4401.5374.4
120°621.3517.2477.4442.4409.6382.1348.2
135°691.5558.4499.1465.9431.8398.5331.4
150°817.7648.8550.2502.5477.5453.5389.6
Run VMG944.2749.2635.4579.7551.2511.1449.9
Selected Courses
Windward / Leeward985.5794.1684.4634.7612.6588.6550.0
All purpose758.2622.6555.1521.5501.3483.3451.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward664.90.9025
All purpose538.81.1135
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7956
Downwind "popa"0.9501
70% up, 30% down "Ilhabela"0.8364
30% up, 70% down "Ilhabela-inverso"0.8978
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind584.51.0265
Predominantly Downwind547.11.0967
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low690.40.8691
Triple Number All Purpose Medium536.11.1192
Triple Number All Purpose High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind584.51.0265
Predominantly Downwind547.11.0967
Predominantly Upwind Low775.60.7736
Predominantly Upwind Medium602.20.9963
Predominantly Upwind High559.01.0733
Predominantly Downwind Low746.70.8035
Predominantly Downwind Medium545.41.1002
Predominantly Downwind High455.11.3184
Chicago-Mac Upwind1.0103
Chicago-Mac All Purpose1.0421
Chicago-Mac Downwind1.0801
Bayview-Mac Cove Island0.9686
Bayview-Mac Shore0.9761
Victoria-Maui1.1524
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance586.1
Triple Number Coastal/Long Distance Low690.4
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High476.1
Triple Number Windward/Leeward Low889.8
Triple Number Windward/Leeward Medium659.1
Triple Number Windward/Leeward High580.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8691
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2603
Triple Number Windward/Leeward Low0.6743
Triple Number Windward/Leeward Medium0.9104
Triple Number Windward/Leeward High1.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low690.4
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High476.1
Triple Number Windward/Leeward Low889.8
Triple Number Windward/Leeward Medium659.1
Triple Number Windward/Leeward High580.1
Predominantly Upwind584.5
Predominantly Downwind547.1
Predominantly Reaching523.6
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8691
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2603
Triple Number Windward/Leeward Low0.6743
Triple Number Windward/Leeward Medium0.9104
Triple Number Windward/Leeward High1.0343
Coastal/Long Distance1.0238
Predominantly Upwind1.0265
Predominantly Downwind1.0967
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0238
Tretall Distanseseilas Lite vind0.8691
Tretall Distanseseilas Mellomvind1.1192
Tretall Distanseseilas Mye vind1.2603
Tretall Pølsebane Lite vind0.6743
Tretall Pølsebane Mellomvind0.9104
Tretall Pølsebane Mye vind1.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Coastal/Long Distance586.11.0238
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind584.51.0265
Predominantly Downwind547.11.0967
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore561.61.0684
Cape Doctor Coastal461.41.3005
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8691
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2603
Triple Number Windward/Leeward Low0.6743
Triple Number Windward/Leeward Medium0.9104
Triple Number Windward/Leeward High1.0343
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8691
Triple Number Coastal/Long Distance Medium1.1192
Triple Number Coastal/Long Distance High1.2603
Triple Number Windward/Leeward Low0.6743
Triple Number Windward/Leeward Medium0.9104
Triple Number Windward/Leeward High1.0343
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind584.51.0265
Predominantly Downwind547.11.0967
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.11.0238
Triple Number Coastal/Long Distance Low690.40.8691
Triple Number Coastal/Long Distance Medium536.11.1192
Triple Number Coastal/Long Distance High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance981.4746.3620.8555.3520.5487.5432.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low690.40.8691
Triple Number All Purpose Medium536.11.1192
Triple Number All Purpose High476.11.2603
Triple Number Windward/Leeward Low889.80.6743
Triple Number Windward/Leeward Medium659.10.9104
Triple Number Windward/Leeward High580.11.0343
Predominantly Upwind584.51.0265
Predominantly Downwind547.11.0967
Predominantly Upwind Low775.60.7736
Predominantly Upwind Medium602.20.9963
Predominantly Upwind High559.01.0733
Predominantly Downwind Low746.70.8035
Predominantly Downwind Medium545.41.1002
Predominantly Downwind High455.11.3184
Chicago-Mac Upwind1.0103
Chicago-Mac All Purpose1.0421
Chicago-Mac Downwind1.0801
Bayview-Mac Cove Island0.9686
Bayview-Mac Shore0.9761
Harvest Moon Regatta474.51.2646
Victoria-Maui1.1524
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low970.80.6181
5-Band Low / Medium812.30.7387
5-Band Medium648.70.9249
5-Band Medium / High590.11.0168
5-Band High556.71.0778
ORC Ref  033300021HVIssued on 06/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Muskrat

USA 93300

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 105Measurement26/02/2020HINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderYesLight stanchionsNoTrim tabNo
LOA10.494Max. Beam3.346Draft2.170Displacement3,673Wetted area21.49IMS L9.608LSM09.467Acc. length10.494Sink (kg/mm) 16.64
VCGD0.018VCGM0.012RM Measured (kg·m) 86.4RM Default (kg·m) 86.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.375PBW0.096PIPA0.0038
PSD0.025PHD0.049PHL0.136
PSA21.0°ESL0.920
ST10.022ST20.085ST30.085
ST40.047ST50.190
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P14.005IG12.832ISP13.507MDT10.108MDL10.160MDT20.105MDL20.110TL2.060MW0.185GO0.190
E4.265J4.135BAS1.567FSDSFJSPL0.000WPLTPS5.790BD0.126MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date26/02/2020MeasurerComment
SFFP0.966FFMFF1.104LCFcl5.822SG1.0070
SAFP10.056FAMFA0.775LCFsh6.063HBI0.927
W169.3W269.3W369.3W469.3LCFD
PD1259.2PD2259.2PD3259.2PD4259.2
WD4.103PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG0.9000450.000.00Total deductible410.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  033300021HVIssued on 06/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Muskrat

USA 93300

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment28950660.010.881.612.763.6035.51North Sails2020 MAIN
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment61018378-010.050.561.042.063.114.1712.90NoNo 26.8630/01/2020North SailsUnknown
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment302324615.3513.1914.277.387.6796%88.45North Sails2020 A1.5
ORC Ref  033300021HVIssued on 06/05/2022Valid until 31/01/2023
VPP ver: 2022 1.02 | © ORC | www.orc.org