Club
Certificate
2021

Boat

Muskrat

93300

 
Offshore
Racing
Congress

Certificate number: US6511
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°40.5°39.0°37.1°36.4°36.4°36.0°
Beat VMG3.574.344.935.205.315.365.47
52°5.426.446.997.227.317.377.49
60°5.736.697.167.407.537.617.73
75°5.956.877.297.627.908.098.24
90°6.017.057.477.708.038.408.89
110°6.047.117.668.198.618.949.57
120°5.866.997.558.148.789.4010.27
135°5.246.467.217.718.318.9910.76
150°4.425.546.527.147.527.919.15
Run VMG3.824.805.646.196.557.097.93
Gybe Angles143.5°147.0°149.5°151.0°174.0°177.0°142.5°

GPH = 602.9

CDL = 9.451

BOAT
ClassJ-105𝕚DesignerJohnstoneBuilderTPIAge Date01/1994Series Date01/1992Offset FileUS93300.off
HULL
Length Overall10.494 mMaximum Beam3.346 mDraft2.170 mDisplacement3,673 kgDLR4.3299IMS DivisionCruiser/RacerDynamic Allowance0.159%Age Allowance0.487%
PROPELLER
InstallationShaft exposed𝕚TypeFolding 2 blades𝕚Diameter0.375m
CREW
Maximum weight637 kg𝕚Minimum weight478 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail35.5136.07Headsail Luffed26.8626.86Headsail FlyingSymmetricAsymmetric88.45𝕚88.45𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment86.4 kg·mStability Index106.1
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03410001H06Issued on 20/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

Muskrat

93300

 
Offshore
Racing
Congress

Certificate number: US6511
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1009.6829.8730.3692.2678.3672.2658.4
52°663.9559.2514.7498.8492.2488.6480.4
60°628.7538.2502.9486.3477.8472.8465.4
75°605.3524.2493.5472.7455.9445.2436.8
90°599.1510.9481.9467.8448.4428.8405.0
110°596.1506.3470.2439.5418.2402.7376.1
120°614.9515.1476.6442.2410.0383.0350.7
135°686.6557.0499.3466.9433.4400.6334.6
150°815.3649.9552.4504.5478.9455.0393.2
Run VMG941.5750.4637.8581.7549.4507.4454.1
Selected Courses
Windward / Leeward975.5790.1684.0637.0613.9589.8556.2
All purpose749.8619.2554.2522.4502.2485.0455.8
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward665.30.9019
All purpose538.71.1138
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7968
Downwind "popa"0.9497
70% up, 30% down "Ilhabela"0.8373
30% up, 70% down "Ilhabela-inverso"0.8980
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Predominantly Upwind584.21.0270
Predominantly Downwind547.11.0966
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low684.50.8765
Triple Number All Purpose Medium536.01.1194
Triple Number All Purpose High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Predominantly Upwind584.21.0270
Predominantly Downwind547.11.0966
Predominantly Upwind Low767.20.7821
Predominantly Upwind Medium602.10.9966
Predominantly Upwind High562.71.0663
Predominantly Downwind Low743.20.8073
Predominantly Downwind Medium546.11.0987
Predominantly Downwind High455.91.3160
Chicago-Mac Upwind1.0114
Chicago-Mac All Purpose1.0427
Chicago-Mac Downwind1.0798
Bayview-Mac Cove Island0.9729
Bayview-Mac Shore0.9803
Victoria-Maui1.1523
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance586.3
Triple Number Coastal/Long Distance Low684.5
Triple Number Coastal/Long Distance Medium536.0
Triple Number Coastal/Long Distance High478.4
Triple Number Windward/Leeward Low882.9
Triple Number Windward/Leeward Medium659.6
Triple Number Windward/Leeward High583.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.1194
Triple Number Coastal/Long Distance High1.2543
Triple Number Windward/Leeward Low0.6796
Triple Number Windward/Leeward Medium0.9096
Triple Number Windward/Leeward High1.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low684.5
Triple Number Coastal/Long Distance Medium536.0
Triple Number Coastal/Long Distance High478.4
Triple Number Windward/Leeward Low882.9
Triple Number Windward/Leeward Medium659.6
Triple Number Windward/Leeward High583.2
Predominantly Upwind584.2
Predominantly Downwind547.1
Predominantly Reaching523.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.1194
Triple Number Coastal/Long Distance High1.2543
Triple Number Windward/Leeward Low0.6796
Triple Number Windward/Leeward Medium0.9096
Triple Number Windward/Leeward High1.0288
Coastal/Long Distance1.0234
Predominantly Upwind1.0270
Predominantly Downwind1.0966
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0234
Tretall Distanseseilas Lite vind0.8765
Tretall Distanseseilas Mellomvind1.1194
Tretall Distanseseilas Mye vind1.2543
Tretall Pølsebane Lite vind0.6796
Tretall Pølsebane Mellomvind0.9096
Tretall Pølsebane Mye vind1.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind584.21.0270
Predominantly Downwind547.11.0966
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore566.31.0595
Cape Doctor Coastal464.61.2914
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.1194
Triple Number Coastal/Long Distance High1.2543
Triple Number Windward/Leeward Low0.6796
Triple Number Windward/Leeward Medium0.9096
Triple Number Windward/Leeward High1.0288
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8765
Triple Number Coastal/Long Distance Medium1.1194
Triple Number Coastal/Long Distance High1.2543
Triple Number Windward/Leeward Low0.6796
Triple Number Windward/Leeward Medium0.9096
Triple Number Windward/Leeward High1.0288
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Predominantly Upwind584.21.0270
Predominantly Downwind547.11.0966
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance586.31.0234
Triple Number Coastal/Long Distance Low684.50.8765
Triple Number Coastal/Long Distance Medium536.01.1194
Triple Number Coastal/Long Distance High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance972.1742.8620.3556.7521.5488.9435.6
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low684.50.8765
Triple Number All Purpose Medium536.01.1194
Triple Number All Purpose High478.41.2543
Triple Number Windward/Leeward Low882.90.6796
Triple Number Windward/Leeward Medium659.60.9096
Triple Number Windward/Leeward High583.21.0288
Predominantly Upwind584.21.0270
Predominantly Downwind547.11.0966
Predominantly Upwind Low767.20.7821
Predominantly Upwind Medium602.10.9966
Predominantly Upwind High562.71.0663
Predominantly Downwind Low743.20.8073
Predominantly Downwind Medium546.11.0987
Predominantly Downwind High455.91.3160
Chicago-Mac Upwind1.0114
Chicago-Mac All Purpose1.0427
Chicago-Mac Downwind1.0798
Bayview-Mac Cove Island0.9729
Bayview-Mac Shore0.9803
Harvest Moon Regatta475.21.2627
Victoria-Maui1.1523
ORC Ref  03410001H06Issued on 20/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

Muskrat

93300

 
Offshore
Racing
Congress

Certificate number: US6511
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassJ-105𝕚Measurement26/02/2020𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderYes𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA10.494𝕚Max. Beam3.346𝕚Draft2.170𝕚Displacement3,673𝕚Wetted area21.49𝕚IMS L9.606𝕚LSM09.467𝕚Acc. length10.494𝕚Sink (kg/mm)16.64𝕚
VCGD0.018𝕚VCGM0.012𝕚RM Measured (kg·m)86.4𝕚RM Default (kg·m)86.0𝕚Limit of positive stability(°)109.5𝕚Stability Index106.1𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationShaft exposed𝕚PRD0.375𝕚PHD0.049𝕚ESL0.920𝕚ST20.085𝕚ST40.047𝕚Twin screwNo𝕚PBW0.096𝕚PHL0.136𝕚ST10.022𝕚ST30.085𝕚ST50.190𝕚PIPA0.0038𝕚PSD0.025𝕚PSA21.000𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerYes𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P14.005𝕚IG12.832𝕚ISP13.507𝕚MDT10.108𝕚MDL10.160𝕚MDT20.105𝕚MDL20.110𝕚TL2.060𝕚MW0.185𝕚GO0.190𝕚
E4.265𝕚J4.135𝕚BAS1.567𝕚FSD𝕚SFJ𝕚SPL0.000𝕚TPS5.790𝕚BD0.126𝕚MWT𝕚MCG𝕚
FLOTATION AND STABILITY
Inclining TestBoom Inclining𝕚SFFP0.966𝕚SAFP10.056𝕚Flotation Date26/02/2020𝕚FFM1.081𝕚FAM0.783𝕚Measurer𝕚FF1.104𝕚FA0.775𝕚Comment𝕚LCFcl5.821𝕚LCFsh6.057𝕚SG1.0070𝕚HBI0.928𝕚
W169.3𝕚W269.3𝕚W369.3𝕚W469.3𝕚LCFD𝕚
PD1259.2𝕚PD2259.2𝕚PD3259.2𝕚PD4259.2𝕚
WD4.103𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription𝕚𝕚𝕚𝕚0.00𝕚0.00𝕚45.0𝕚𝕚
IdItemDescriptionWeightLCGVCGa𝕚Anchor (d)𝕚0.0𝕚0.00𝕚𝕚
ORC Ref  03410001H06Issued on 20/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

Muskrat

93300

 
Offshore
Racing
Congress

Certificate number: US6511
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment2895066𝕚0.01𝕚0.88𝕚1.61𝕚2.76𝕚3.60𝕚35.51𝕚𝕚𝕚North Sails𝕚𝕚2020 MAIN𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment61018378-01𝕚0.05𝕚0.56𝕚1.04𝕚2.06𝕚3.11𝕚4.17𝕚12.90𝕚No𝕚No𝕚 𝕚26.86𝕚𝕚30/01/2020𝕚North Sails𝕚Unknown𝕚𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment3023246𝕚15.35𝕚13.19𝕚14.27𝕚7.38𝕚7.67𝕚96%𝕚88.45𝕚𝕚𝕚North Sails𝕚𝕚2020 A1.5𝕚
ORC Ref  03410001H06Issued on 20/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org