International
Certificate
2021

Boat

SHADOW

EST900

 
Offshore
Racing
Congress

Certificate number: 237/21
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°41.3°39.0°38.3°37.9°37.5°38.3°
Beat VMG3.684.454.935.085.145.205.20
52°5.616.566.987.157.227.267.42
60°5.956.767.177.437.567.627.86
75°6.216.917.367.848.138.288.46
90°6.137.017.417.918.498.959.35
110°6.247.147.868.408.869.3510.18
120°6.097.067.788.609.279.9111.07
135°5.416.667.338.068.9610.0212.44
150°4.555.726.677.257.838.6010.99
Run VMG3.944.965.786.286.787.459.52
Gybe Angles143.0°145.8°150.3°150.3°147.0°144.5°140.5°

GPH = 592.1

CDL = 8.755

BOAT
ClassCorsa 915𝕚DesignerPolliBuilderLife YachtAge Date07/2021Series Date06/2020Offset FileCORSA915+.off
HULL
Length Overall9.149 mMaximum Beam2.980 mDraft2.002 mDisplacement2,122 kgDLR3.8267IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.033%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight580 kg𝕚Minimum weight435 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail29.7230.28Headsail Luffed25.4325.43Headsail FlyingSymmetricAsymmetric93.17𝕚93.17𝕚
* 1 asymmetric(s) with SHW/SFL < 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment56.3 kg·mStability Index115.1
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03880001HUDIssued on 30/07/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

SHADOW

EST900

 
Offshore
Racing
Congress

Certificate number: 237/21
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG979.5808.6730.4708.0700.4692.8691.8
52°641.6548.5515.8503.8498.3495.6485.0
60°605.5532.6502.2484.7476.5472.4458.3
75°579.9521.2489.0459.0442.6434.6425.6
90°587.0513.2485.6454.9424.0402.2384.9
110°576.6504.0458.0428.5406.3385.2353.7
120°591.0509.9462.6418.6388.3363.3325.3
135°666.0540.6491.0446.4401.8359.2289.3
150°791.4628.9539.6496.8460.0418.5327.5
Run VMG913.8726.2623.3573.6531.1483.2378.2
Selected Courses
Windward / Leeward946.7767.4676.8640.8615.8588.0535.0
All purpose726.5606.8548.8517.8494.9473.7438.0
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward660.40.9086
All purpose530.41.1313
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7907
Downwind "popa"0.9930
70% up, 30% down "Ilhabela"0.8422
30% up, 70% down "Ilhabela-inverso"0.9223
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Predominantly Upwind580.81.0330
Predominantly Downwind531.91.1279
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low666.70.9000
Triple Number All Purpose Medium529.81.1325
Triple Number All Purpose High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Predominantly Upwind580.81.0330
Predominantly Downwind531.91.1279
Predominantly Upwind Low746.50.8038
Predominantly Upwind Medium604.80.9921
Predominantly Upwind High571.31.0503
Predominantly Downwind Low722.20.8308
Predominantly Downwind Medium532.21.1274
Predominantly Downwind High420.41.4272
Chicago-Mac Upwind1.0167
Chicago-Mac All Purpose1.0598
Chicago-Mac Downwind1.1082
Bayview-Mac Cove Island0.9937
Bayview-Mac Shore1.0001
Victoria-Maui1.2072
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance577.0
Triple Number Coastal/Long Distance Low666.7
Triple Number Coastal/Long Distance Medium529.8
Triple Number Coastal/Long Distance High465.6
Triple Number Windward/Leeward Low857.0
Triple Number Windward/Leeward Medium657.1
Triple Number Windward/Leeward High575.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9000
Triple Number Coastal/Long Distance Medium1.1325
Triple Number Coastal/Long Distance High1.2887
Triple Number Windward/Leeward Low0.7001
Triple Number Windward/Leeward Medium0.9131
Triple Number Windward/Leeward High1.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low666.7
Triple Number Coastal/Long Distance Medium529.8
Triple Number Coastal/Long Distance High465.6
Triple Number Windward/Leeward Low857.0
Triple Number Windward/Leeward Medium657.1
Triple Number Windward/Leeward High575.1
Predominantly Upwind580.8
Predominantly Downwind531.9
Predominantly Reaching509.4
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9000
Triple Number Coastal/Long Distance Medium1.1325
Triple Number Coastal/Long Distance High1.2887
Triple Number Windward/Leeward Low0.7001
Triple Number Windward/Leeward Medium0.9131
Triple Number Windward/Leeward High1.0433
Coastal/Long Distance1.0398
Predominantly Upwind1.0330
Predominantly Downwind1.1279
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0398
Tretall Distanseseilas Lite vind0.9000
Tretall Distanseseilas Mellomvind1.1325
Tretall Distanseseilas Mye vind1.2887
Tretall Pølsebane Lite vind0.7001
Tretall Pølsebane Mellomvind0.9131
Tretall Pølsebane Mye vind1.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind580.81.0330
Predominantly Downwind531.91.1279
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore550.91.0891
Cape Doctor Coastal448.71.3372
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9000
Triple Number Coastal/Long Distance Medium1.1325
Triple Number Coastal/Long Distance High1.2887
Triple Number Windward/Leeward Low0.7001
Triple Number Windward/Leeward Medium0.9131
Triple Number Windward/Leeward High1.0433
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9000
Triple Number Coastal/Long Distance Medium1.1325
Triple Number Coastal/Long Distance High1.2887
Triple Number Windward/Leeward Low0.7001
Triple Number Windward/Leeward Medium0.9131
Triple Number Windward/Leeward High1.0433
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Predominantly Upwind580.81.0330
Predominantly Downwind531.91.1279
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance577.01.0398
Triple Number Coastal/Long Distance Low666.70.9000
Triple Number Coastal/Long Distance Medium529.81.1325
Triple Number Coastal/Long Distance High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.4723.1613.9554.0514.8477.1412.6
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low666.70.9000
Triple Number All Purpose Medium529.81.1325
Triple Number All Purpose High465.61.2887
Triple Number Windward/Leeward Low857.00.7001
Triple Number Windward/Leeward Medium657.10.9131
Triple Number Windward/Leeward High575.11.0433
Predominantly Upwind580.81.0330
Predominantly Downwind531.91.1279
Predominantly Upwind Low746.50.8038
Predominantly Upwind Medium604.80.9921
Predominantly Upwind High571.31.0503
Predominantly Downwind Low722.20.8308
Predominantly Downwind Medium532.21.1274
Predominantly Downwind High420.41.4272
Chicago-Mac Upwind1.0167
Chicago-Mac All Purpose1.0598
Chicago-Mac Downwind1.1082
Bayview-Mac Cove Island0.9937
Bayview-Mac Shore1.0001
Harvest Moon Regatta462.01.2988
Victoria-Maui1.2072
ORC Ref  03880001HUDIssued on 30/07/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

SHADOW

EST900

 
Offshore
Racing
Congress

Certificate number: 237/21
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassCorsa 915𝕚Measurement01/07/2021𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchionsNo𝕚Trim tabNo𝕚
LOA9.149𝕚Max. Beam2.980𝕚Draft2.002𝕚Displacement2,122𝕚Wetted area17.09𝕚IMS L8.637𝕚LSM08.216𝕚Acc. length9.149𝕚Sink (kg/mm)12.53𝕚
VCGD-0.160𝕚VCGM-0.172𝕚RM Measured (kg·m)56.3𝕚RM Default (kg·m)58.0𝕚Limit of positive stability(°)121.6𝕚Stability Index115.1𝕚
PROPELLER
Propeller TypeNo Propeller𝕚PIPA0.0000𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P11.920𝕚IG12.410𝕚ISP13.500𝕚MDT10.086𝕚MDL10.171𝕚MDT20.057𝕚MDL20.140𝕚TL0.791𝕚MW0.171𝕚GO0.192𝕚
E4.200𝕚J3.700𝕚BAS1.295𝕚FSD0.028𝕚SFJ0.100𝕚SPL𝕚TPS5.160𝕚BD0.191𝕚MWT80.00𝕚MCG4.310𝕚
FLOTATION AND STABILITY
Inclining TestPoles Inclining𝕚SFFP0.142𝕚SAFP9.143𝕚Flotation Date28/07/2021𝕚FFM1.011𝕚FAM0.767𝕚Measurer𝕚FF1.016𝕚FA0.771𝕚Comment𝕚LCFcl5.082𝕚LCFsh5.298𝕚SG1.0000𝕚HBI0.999𝕚
W142.0𝕚W242.0𝕚W342.0𝕚W442.0𝕚
PD1629.3𝕚PD2630.5𝕚PD3628.5𝕚PD4628.3𝕚
WD10.710𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdItemDescriptionWeightLCGVCG
1𝕚Battery2x65 Ah𝕚𝕚5.05𝕚𝕚1𝕚MiscellaneousYamaha 9,9hp 𝕚46.0𝕚6.00𝕚𝕚
ORC Ref  03880001HUDIssued on 30/07/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

SHADOW

EST900

 
Offshore
Racing
Congress

Certificate number: 237/21
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialCommentA𝕚0.43𝕚0.98𝕚1.58𝕚2.62𝕚3.47𝕚29.72𝕚𝕚21/06/2020𝕚Onesail𝕚Unknown𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment3a𝕚0.16𝕚0.74𝕚1.33𝕚2.26𝕚3.04𝕚3.93𝕚11.84𝕚Yes𝕚No𝕚 𝕚25.43𝕚𝕚29/07/2021𝕚One Sails𝕚Unknown𝕚J-1𝕚2a𝕚0.16𝕚0.75𝕚1.35𝕚2.22𝕚3.00𝕚3.92𝕚11.84𝕚Yes𝕚No𝕚 𝕚25.25𝕚𝕚29/07/2021𝕚One Sails𝕚Unknown𝕚J-2𝕚1a𝕚0.13𝕚0.55𝕚1.03𝕚2.00𝕚2.96𝕚3.89𝕚10.92𝕚Yes𝕚No𝕚 𝕚21.74𝕚𝕚29/07/2021𝕚One Sails𝕚Unknown𝕚J-3𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment2𝕚15.41𝕚12.41𝕚13.91𝕚7.94𝕚8.43𝕚94%𝕚93.17𝕚𝕚21/06/2021𝕚Onesail𝕚Unknown𝕚𝕚4𝕚15.34𝕚12.35𝕚13.85𝕚7.99𝕚8.36𝕚96%𝕚93.04𝕚𝕚29/06/2021𝕚Onesail𝕚Unknown𝕚𝕚1𝕚15.07𝕚13.10𝕚14.09𝕚7.75𝕚8.55𝕚91%𝕚92.84𝕚𝕚21/06/2021𝕚Onesail𝕚Unknown𝕚𝕚3𝕚13.84𝕚11.05𝕚12.45𝕚6.38𝕚7.63𝕚84%𝕚68.76𝕚𝕚21/06/2021𝕚Onesail𝕚Unknown𝕚𝕚
ORC Ref  03880001HUDIssued on 30/07/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org