Club
Certificate
2023

Boat

MICHELA

USA 42492

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 Angles41.4°39.4°37.8°36.6°35.8°35.7°35.4°
Beat VMG3.944.675.095.295.415.495.57
52°5.866.727.127.307.407.467.54
60°6.106.897.257.457.567.637.72
75°6.226.987.367.597.767.878.03
90°6.086.917.357.637.868.048.32
110°5.866.957.497.838.118.308.63
120°5.716.847.457.848.198.509.03
135°5.116.357.167.648.038.419.23
150°4.345.466.447.097.447.738.29
Run VMG3.764.735.586.146.456.937.65
Gybe Angles144.2°147.8°147.8°149.6°151.0°173.0°176.3°

APH: 539.3

CDL: 9.806

GPH: 599.5

CertNo: 42492

BOAT
ClassC&C 372DesignerC&CBuilderC&CAge date05/1989Series date01/1981Offset fileUS19604D.OFFData fileUSA42492
HULL
Length Overall12.061 mMaximum Beam3.865 mDraft2.539 mDisplacement7,247 kgDLR7.8550IMS DivisionCruiser/RacerDynamic Allowance0.050%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight725 kgMinimum weight544 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.6441.40Headsail Luffed62.0762.07Headsail FlyingSymmetricAsymmetric138.94138.94 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.85Storm Jib13.30Heavy Weather Jib35.90
SAIL LIMITS
Headsails5  Spinnakers4
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  03330002RDSIssued on 14/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MICHELA

USA 42492

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 VMG914.5770.5707.4679.9665.2655.4646.5
52°614.3535.8506.0493.4486.6482.3477.4
60°590.6522.8496.2483.3476.4471.7466.3
75°578.5516.0489.4474.1463.9457.2448.5
90°592.5520.7489.6471.5458.3447.7432.7
110°614.4518.3480.9459.8443.9433.7417.3
120°630.1526.2483.5458.9439.6423.4398.7
135°705.1567.4502.7471.5448.3428.0390.2
150°830.0658.9559.0508.0483.6465.8434.3
Run VMG958.4760.8645.5586.6558.0519.2470.7
Selected Courses
Windward / Leeward936.4765.7676.4633.3611.6587.3558.6
All purpose727.4608.6551.8523.8507.5493.4474.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward657.60.9124
All purpose539.31.1126
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8335
Downwind "popa"0.9335
70% up, 30% down "Ilhabela"0.8611
30% up, 70% down "Ilhabela-inverso"0.9010
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Predominantly Upwind574.71.0440
Predominantly Downwind551.51.0880
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low668.00.8982
Triple Number All Purpose Medium536.11.1191
Triple Number All Purpose High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Predominantly Upwind574.71.0440
Predominantly Downwind551.51.0880
Predominantly Upwind Low726.50.8259
Predominantly Upwind Medium590.61.0158
Predominantly Upwind High558.61.0742
Predominantly Downwind Low741.80.8088
Predominantly Downwind Medium552.11.0867
Predominantly Downwind High475.51.2618
Chicago-Mac Upwind1.0280
Chicago-Mac All Purpose1.0468
Chicago-Mac Downwind1.0710
Bayview-Mac Cove Island0.9858
Bayview-Mac Shore0.9968
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching515.11.1649
Predominantly Reaching Low612.40.9798
Predominantly Reaching Medium510.51.1753
Predominantly Reaching High459.41.3061
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low923.30.6499
5-Band Low / Medium784.30.7651
5-Band Medium644.00.9316
5-Band Medium / High590.51.0160
5-Band High563.61.0646
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance584.1
Triple Number Coastal/Long Distance Low668.0
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High489.7
Triple Number Windward/Leeward Low851.1
Triple Number Windward/Leeward Medium653.2
Triple Number Windward/Leeward High582.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8982
Triple Number Coastal/Long Distance Medium1.1191
Triple Number Coastal/Long Distance High1.2253
Triple Number Windward/Leeward Low0.7050
Triple Number Windward/Leeward Medium0.9185
Triple Number Windward/Leeward High1.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low668.0
Triple Number Coastal/Long Distance Medium536.1
Triple Number Coastal/Long Distance High489.7
Triple Number Windward/Leeward Low851.1
Triple Number Windward/Leeward Medium653.2
Triple Number Windward/Leeward High582.6
Predominantly Upwind574.7
Predominantly Downwind551.5
Predominantly Reaching527.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8982
Triple Number Coastal/Long Distance Medium1.1191
Triple Number Coastal/Long Distance High1.2253
Triple Number Windward/Leeward Low0.7050
Triple Number Windward/Leeward Medium0.9185
Triple Number Windward/Leeward High1.0298
Coastal/Long Distance1.0273
Predominantly Upwind1.0440
Predominantly Downwind1.0880
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8982
Tretall Distanseseilas Mellomvind1.1191
Tretall Distanseseilas Mye vind1.2253
Tretall Pølsebane Lite vind0.7050
Tretall Pølsebane Mellomvind0.9185
Tretall Pølsebane Mye vind1.0298
Distanseseilas ett tall (OSN 8-16kn)1.0273
Distanseseilas ett tall (APH 6-20kn)1.1126
Enkeltall Motvind1.0440
Enkeltall Medvind1.0880
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Coastal/Long Distance584.11.0273
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind574.71.0440
Predominantly Downwind551.51.0880
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore567.21.0578
Cape Doctor Coastal479.91.2503
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8982
Triple Number Coastal/Long Distance Medium1.1191
Triple Number Coastal/Long Distance High1.2253
Triple Number Windward/Leeward Low0.7050
Triple Number Windward/Leeward Medium0.9185
Triple Number Windward/Leeward High1.0298
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8982
Triple Number Coastal/Long Distance Medium1.1191
Triple Number Coastal/Long Distance High1.2253
Triple Number Windward/Leeward Low0.7050
Triple Number Windward/Leeward Medium0.9185
Triple Number Windward/Leeward High1.0298
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Predominantly Upwind574.71.0440
Predominantly Downwind551.51.0880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance584.11.0273
Triple Number Coastal/Long Distance Low668.00.8982
Triple Number Coastal/Long Distance Medium536.11.1191
Triple Number Coastal/Long Distance High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance938.6723.9615.7556.7526.2499.0457.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low668.00.8982
Triple Number All Purpose Medium536.11.1191
Triple Number All Purpose High489.71.2253
Triple Number Windward/Leeward Low851.10.7050
Triple Number Windward/Leeward Medium653.20.9185
Triple Number Windward/Leeward High582.61.0298
Predominantly Upwind574.71.0440
Predominantly Downwind551.51.0880
Predominantly Upwind Low726.50.8259
Predominantly Upwind Medium590.61.0158
Predominantly Upwind High558.61.0742
Predominantly Downwind Low741.80.8088
Predominantly Downwind Medium552.11.0867
Predominantly Downwind High475.51.2618
Chicago-Mac Upwind1.0280
Chicago-Mac All Purpose1.0468
Chicago-Mac Downwind1.0710
Bayview-Mac Cove Island0.9858
Bayview-Mac Shore0.9968
Harvest Moon Regatta479.61.2511
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy566.61.0590
San Francisco Bay Medium640.50.9367
Predominantly Reaching515.11.1649
Predominantly Reaching Low612.40.9798
Predominantly Reaching Medium510.51.1753
Predominantly Reaching High459.41.3061
Windward/Leeward 60-40 Low849.30.7064
Windward/Leeward 60-40 Medium666.80.8998
Windward/Leeward 60-40 High607.10.9884
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low923.30.6499
5-Band Low / Medium784.30.7651
5-Band Medium644.00.9316
5-Band Medium / High590.51.0160
5-Band High563.61.0646
ORC Ref  03330002RDSIssued on 14/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MICHELA

USA 42492

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 372Measurement31/05/1995HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.061Max. Beam3.865Draft2.539Displacement7,247Wetted area29.40IMS L9.966LSM09.734Acc. length12.061Sink (kg/mm) 20.46
VCGD-0.116VCGM-0.100RM Rated (kg·m) 165.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.385PBW0.104PIPA0.0034
PSD0.031PHD0.046PHL0.183
PSA21.0°ESL0.592
ST10.028ST20.119ST30.156
ST40.052ST50.211
RIG
Forestay tensionAftInner stayFixedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P14.326IG16.307ISP16.307MDT10.119MDL10.208MDT20.113MDL20.159TL3.448MWGO
E4.725J4.877BAS1.799FSD0.036SFJSPL0.000WPLTPS5.766BD0.153MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered167.9Flotation Date31/05/1995MeasurerComment
SFFP1.134FFMFF1.341LCFcl6.543SG1.0000
SAFP10.812FAMFA1.107LCFsh6.823HBI1.154
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002RDSIssued on 14/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MICHELA

USA 42492

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.171.051.803.0540.64
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentLM1-20220.060.941.853.725.637.5416.55NoNo 62.0720/05/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA418.2815.0016.6410.059.90102%138.9408/06/2022
ORC Ref  03330002RDSIssued on 14/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org