Club
Certificate
2022

Boat

MI-2

USA 57

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 Angles42.6°41.4°39.4°38.2°37.8°37.8°38.0°
Beat VMG3.394.154.694.874.944.985.05
52°5.166.186.676.846.916.957.07
60°5.536.416.837.047.147.197.35
75°6.036.777.037.307.557.697.80
90°6.236.957.367.647.898.158.55
110°6.016.917.407.988.528.949.63
120°5.836.857.468.058.499.1310.34
135°5.176.477.157.828.609.5111.13
150°4.385.536.507.097.618.2910.36
Run VMG3.794.795.636.156.597.188.98
Gybe Angles144.2°146.9°149.2°150.5°146.8°144.4°142.3°

APH: 554.4

CDL: 8.367

GPH: 619.5

CertNo: US6536

BOAT
ClassJ-88DesignerJohnstoneBuilderJ BoatsAge date01/2014Series date01/2014Offset fileJ88.offData fileUS6536
HULL
Length Overall8.960 mMaximum Beam2.854 mDraft1.961 mDisplacement2,390 kgDLR4.0207IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.260%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight450 kgMinimum weight338 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail26.8527.56Headsail Luffed20.9220.92Headsail FlyingSymmetricAsymmetric94.0094.00 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail7.19Storm Jib6.86Heavy Weather Jib18.50
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment51.3 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

MI-2

USA 57

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 VMG1063.2868.3768.2739.0729.1722.5713.2
52°697.6582.8539.4526.3521.0518.3509.5
60°651.3561.3526.7511.3504.4500.6489.6
75°597.0531.7512.2493.3476.6468.0461.4
90°578.0518.1489.1471.1456.0442.0421.0
110°598.9521.2486.7451.3422.4402.6374.0
120°617.5525.2482.9447.0424.2394.3348.1
135°696.9556.8503.4460.5418.5378.7323.5
150°821.9650.9553.6507.4473.2434.4347.4
Run VMG949.1751.6639.3585.7546.4501.6401.1
Selected Courses
Windward / Leeward1006.1809.9703.7662.4637.8612.1557.2
All purpose765.2634.2570.7539.7518.4498.6462.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward687.40.8729
All purpose554.41.0822
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7495
Downwind "popa"0.9601
70% up, 30% down "Ilhabela"0.8023
30% up, 70% down "Ilhabela-inverso"0.8854
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Predominantly Upwind608.10.9866
Predominantly Downwind551.91.0871
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.70.8575
Triple Number All Purpose Medium552.61.0858
Triple Number All Purpose High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Predominantly Upwind608.10.9866
Predominantly Downwind551.91.0871
Predominantly Upwind Low795.20.7546
Predominantly Upwind Medium632.60.9484
Predominantly Upwind High597.81.0037
Predominantly Downwind Low753.30.7965
Predominantly Downwind Medium548.01.0949
Predominantly Downwind High444.11.3511
Chicago-Mac Upwind0.9718
Chicago-Mac All Purpose1.0166
Chicago-Mac Downwind1.0690
Bayview-Mac Cove Island0.9467
Bayview-Mac Shore0.9490
Victoria-Maui1.1588
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance604.7
Triple Number Coastal/Long Distance Low699.7
Triple Number Coastal/Long Distance Medium552.6
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low908.0
Triple Number Windward/Leeward Medium682.3
Triple Number Windward/Leeward High597.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8575
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6608
Triple Number Windward/Leeward Medium0.8794
Triple Number Windward/Leeward High1.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low699.7
Triple Number Coastal/Long Distance Medium552.6
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low908.0
Triple Number Windward/Leeward Medium682.3
Triple Number Windward/Leeward High597.9
Predominantly Upwind608.1
Predominantly Downwind551.9
Predominantly Reaching530.0
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8575
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6608
Triple Number Windward/Leeward Medium0.8794
Triple Number Windward/Leeward High1.0035
Coastal/Long Distance0.9922
Predominantly Upwind0.9866
Predominantly Downwind1.0871
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9922
Tretall Distanseseilas Lite vind0.8575
Tretall Distanseseilas Mellomvind1.0858
Tretall Distanseseilas Mye vind1.2241
Tretall Pølsebane Lite vind0.6608
Tretall Pølsebane Mellomvind0.8794
Tretall Pølsebane Mye vind1.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Coastal/Long Distance604.70.9922
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind608.10.9866
Predominantly Downwind551.91.0871
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore573.61.0460
Cape Doctor Coastal473.61.2668
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8575
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6608
Triple Number Windward/Leeward Medium0.8794
Triple Number Windward/Leeward High1.0035
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8575
Triple Number Coastal/Long Distance Medium1.0858
Triple Number Coastal/Long Distance High1.2241
Triple Number Windward/Leeward Low0.6608
Triple Number Windward/Leeward Medium0.8794
Triple Number Windward/Leeward High1.0035
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Predominantly Upwind608.10.9866
Predominantly Downwind551.91.0871
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance604.70.9922
Triple Number Coastal/Long Distance Low699.70.8575
Triple Number Coastal/Long Distance Medium552.61.0858
Triple Number Coastal/Long Distance High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1000.4760.7637.7576.5541.1505.1439.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low699.70.8575
Triple Number All Purpose Medium552.61.0858
Triple Number All Purpose High490.21.2241
Triple Number Windward/Leeward Low908.00.6608
Triple Number Windward/Leeward Medium682.30.8794
Triple Number Windward/Leeward High597.91.0035
Predominantly Upwind608.10.9866
Predominantly Downwind551.91.0871
Predominantly Upwind Low795.20.7546
Predominantly Upwind Medium632.60.9484
Predominantly Upwind High597.81.0037
Predominantly Downwind Low753.30.7965
Predominantly Downwind Medium548.01.0949
Predominantly Downwind High444.11.3511
Chicago-Mac Upwind0.9718
Chicago-Mac All Purpose1.0166
Chicago-Mac Downwind1.0690
Bayview-Mac Cove Island0.9467
Bayview-Mac Shore0.9490
Harvest Moon Regatta485.01.2372
Victoria-Maui1.1588
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low991.00.6054
5-Band Low / Medium831.00.7221
5-Band Medium673.10.8914
5-Band Medium / High611.40.9814
5-Band High566.71.0588

Club
Certificate
2022

Boat

MI-2

USA 57

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ-88Measurement14/05/2020HINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.960Max. Beam2.854Draft1.961Displacement2,390Wetted area16.34IMS L8.567LSM08.407Acc. length8.960Sink (kg/mm) 12.52
VCGD-0.248VCGM-0.159RM Measured (kg·m) 51.3RM Default (kg·m) 49.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBW0.110PIPA0.0039
EDL2.200ST10.065ST20.180
ST30.180ST40.110ST50.375
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P11.227IG11.665ISP12.696MDT10.095MDL10.145MDT20.085MDL20.103TL1.930MW0.158GO0.170
E3.658J3.420BAS1.304FSDSFJ0.210SPLWPLTPS5.120BD0.104MWT73.50MCG4.486
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date14/05/2020MeasurerComment
SFFP0.759FFMFF1.014LCFcl4.926SG1.0060
SAFP8.905FAMFA0.750LCFsh5.131HBI0.868
W153.4W253.4W353.4W453.4LCFD
PD1285.9PD2286.3PD3286.3PD4285.0
WD3.485PLM9000.00GSA1.0RSA1.0
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG0.900040.000.00Total deductible40.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0

Club
Certificate
2022

Boat

MI-2

USA 57

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment19M0.441.071.712.613.2026.8507/06/2019MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment149560.000.000.941.852.743.6111.37NoNo 20.9229/01/2021HEADSAIL
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment294601914.8712.1613.528.308.5397%94.00North Sails-R. MackenzieA2 SPIN14965513.5512.0012.784.646.1775%52.65quantumUnknowncode zero