International
Certificate
2021

Boat

FORSATIO

POL 20941

 
Offshore
Racing
Congress

Certificate number: 5
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.9°42.0°41.3°39.8°39.0°38.6°39.0°
Beat VMG3.594.445.135.585.755.825.90
52°5.556.737.618.048.208.288.35
60°5.927.117.878.268.478.578.64
75°6.237.408.068.468.849.159.39
90°6.217.608.248.518.919.3910.19
110°6.337.728.459.069.529.8910.67
120°6.177.578.348.989.7210.4011.35
135°5.536.917.938.529.169.9211.86
150°4.655.887.007.868.348.7610.17
Run VMG4.025.096.066.817.237.628.81
Gybe Angles143.0°146.0°148.0°150.3°151.0°174.0°143.5°

GPH = 561.2

CDL = 11.497

BOAT
ClassYD-41𝕚DesignerMichał OrychBuilderAge Date05/2018Series Date05/2018Offset FileYD41.off
HULL
Length Overall12.534 mMaximum Beam4.250 mDraft2.425 mDisplacement6,815 kgDLR3.8064IMS DivisionCruiser/RacerDynamic Allowance0.184%Age Allowance0.098%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.412m
CREW
Maximum weight600 kg𝕚Minimum weight450 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail49.9150.40Headsail Luffed43.8343.83Headsail FlyingSymmetricAsymmetric151.39𝕚151.39𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails6* Woven polyester sails Spinnakers4
STABILITY
Righting Moment277.3 kg·mStability Index116.2
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  032700017Q9Issued on 11/05/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

International
Certificate
2021

Boat

FORSATIO

POL 20941

 
Offshore
Racing
Congress

Certificate number: 5
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1003.8810.6701.5644.6626.0618.7609.7
52°648.6534.7472.8448.0439.0435.0431.1
60°608.3506.7457.4436.1424.8419.9416.7
75°577.9486.5446.9425.5407.2393.5383.5
90°579.5474.0436.6423.3404.1383.4353.1
110°568.9466.3426.0397.5378.3364.1337.4
120°583.4475.3431.7400.7370.2346.1317.2
135°650.9521.0454.1422.5392.9363.0303.7
150°774.7612.1514.6458.1431.8410.8353.9
Run VMG894.6706.7594.2529.0498.0472.4408.7
Selected Courses
Windward / Leeward949.2758.7647.9586.8562.0545.6509.2
All purpose725.6587.1514.7476.4455.5439.9411.7
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward621.40.9656
All purpose496.51.2084
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Predominantly Upwind542.01.1070
Predominantly Downwind504.91.1885
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low656.40.9141
Triple Number All Purpose Medium493.21.2166
Triple Number All Purpose High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Predominantly Upwind542.01.1070
Predominantly Downwind504.91.1885
Predominantly Upwind Low745.50.8048
Predominantly Upwind Medium559.11.0731
Predominantly Upwind High512.31.1712
Predominantly Downwind Low707.90.8476
Predominantly Downwind Medium500.11.1996
Predominantly Downwind High414.01.4492
Chicago-Mac Upwind1.0861
Chicago-Mac All Purpose1.1241
Chicago-Mac Downwind1.1692
Bayview-Mac Cove Island1.0347
Bayview-Mac Shore1.0437
Victoria-Maui1.2504
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance543.1
Triple Number Coastal/Long Distance Low656.4
Triple Number Coastal/Long Distance Medium493.2
Triple Number Coastal/Long Distance High433.2
Triple Number Windward/Leeward Low854.0
Triple Number Windward/Leeward Medium615.3
Triple Number Windward/Leeward High536.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.2166
Triple Number Coastal/Long Distance High1.3850
Triple Number Windward/Leeward Low0.7026
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low656.4
Triple Number Coastal/Long Distance Medium493.2
Triple Number Coastal/Long Distance High433.2
Triple Number Windward/Leeward Low854.0
Triple Number Windward/Leeward Medium615.3
Triple Number Windward/Leeward High536.0
Predominantly Upwind542.0
Predominantly Downwind504.9
Predominantly Reaching481.6
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.2166
Triple Number Coastal/Long Distance High1.3850
Triple Number Windward/Leeward Low0.7026
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1193
Coastal/Long Distance1.1048
Predominantly Upwind1.1070
Predominantly Downwind1.1885
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.1048
Tretall Distanseseilas Lite vind0.9141
Tretall Distanseseilas Mellomvind1.2166
Tretall Distanseseilas Mye vind1.3850
Tretall Pølsebane Lite vind0.7026
Tretall Pølsebane Mellomvind0.9752
Tretall Pølsebane Mye vind1.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind542.01.1070
Predominantly Downwind504.91.1885
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore520.11.1536
Cape Doctor Coastal420.21.4280
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.2166
Triple Number Coastal/Long Distance High1.3850
Triple Number Windward/Leeward Low0.7026
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1193
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9141
Triple Number Coastal/Long Distance Medium1.2166
Triple Number Coastal/Long Distance High1.3850
Triple Number Windward/Leeward Low0.7026
Triple Number Windward/Leeward Medium0.9752
Triple Number Windward/Leeward High1.1193
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Predominantly Upwind542.01.1070
Predominantly Downwind504.91.1885
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance543.11.1048
Triple Number Coastal/Long Distance Low656.40.9141
Triple Number Coastal/Long Distance Medium493.21.2166
Triple Number Coastal/Long Distance High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance943.7710.4582.0509.3473.2443.3391.3
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low656.40.9141
Triple Number All Purpose Medium493.21.2166
Triple Number All Purpose High433.21.3850
Triple Number Windward/Leeward Low854.00.7026
Triple Number Windward/Leeward Medium615.30.9752
Triple Number Windward/Leeward High536.01.1193
Predominantly Upwind542.01.1070
Predominantly Downwind504.91.1885
Predominantly Upwind Low745.50.8048
Predominantly Upwind Medium559.11.0731
Predominantly Upwind High512.31.1712
Predominantly Downwind Low707.90.8476
Predominantly Downwind Medium500.11.1996
Predominantly Downwind High414.01.4492
Chicago-Mac Upwind1.0861
Chicago-Mac All Purpose1.1241
Chicago-Mac Downwind1.1692
Bayview-Mac Cove Island1.0347
Bayview-Mac Shore1.0437
Harvest Moon Regatta430.61.3934
Victoria-Maui1.2504
ORC Ref  032700017Q9Issued on 11/05/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

International
Certificate
2021

Boat

FORSATIO

POL 20941

 
Offshore
Racing
Congress

Certificate number: 5
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassYD-41𝕚Measurement11/05/2021𝕚Measurer𝕚HINPL-FYD41001H808𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchions𝕚Trim tab𝕚
LOA12.534𝕚Max. Beam4.250𝕚Draft2.425𝕚Displacement6,815𝕚Wetted area35.49𝕚IMS L12.279𝕚LSM012.143𝕚Acc. length12.534𝕚Sink (kg/mm)28.28𝕚
VCGD-0.086𝕚VCGM-0.093𝕚RM Measured (kg·m)277.3𝕚RM Default (kg·m)225.0𝕚Limit of positive stability(°)118.6𝕚Stability Index116.2𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.412𝕚EDL1.875𝕚ST30.200𝕚Twin screw𝕚PBW0.140𝕚ST10.051𝕚ST40.115𝕚PIPA0.0039𝕚ST20.170𝕚ST50.300𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furler𝕚Mainsail furler𝕚Articulated bowspritNo𝕚Non-circular rigging𝕚Fiber rigging𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P16.450𝕚IG16.894𝕚ISP18.129𝕚MDT10.122𝕚MDL10.224𝕚MDT20.120𝕚MDL20.192𝕚TL1.200𝕚MW0.192𝕚GO0.253𝕚
E5.515𝕚J5.235𝕚BAS1.714𝕚FSD0.039𝕚SFJ0.220𝕚SPL𝕚TPS6.645𝕚BD0.225𝕚MWT161.00𝕚MCG6.120𝕚
FLOTATION AND STABILITY
Inclining TestPoles Inclining𝕚SFFP0.441𝕚SAFP12.229𝕚Flotation Date10/06/2020𝕚FFM1.504𝕚FAM1.178𝕚Measurer𝕚FF1.516𝕚FA1.180𝕚Comment𝕚LCFcl7.155𝕚LCFsh7.445𝕚SG1.0030𝕚HBI1.306𝕚
W1300.0𝕚W2300.0𝕚W3300.0𝕚W4300.0𝕚
PD1340.8𝕚PD2340.8𝕚PD3340.8𝕚PD4340.8𝕚
WD4.000𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription3𝕚Fuel𝕚Plastic𝕚85.0𝕚6.26𝕚0.00𝕚15.0𝕚Port𝕚2𝕚Water𝕚Plastic𝕚100.0𝕚5.11𝕚0.00𝕚0.0𝕚Port𝕚1𝕚Water𝕚Plastic𝕚100.0𝕚5.11𝕚0.00𝕚0.0𝕚Starboard𝕚
IdItemDescriptionWeightLCGVCG1𝕚Anchor (d)𝕚20.0𝕚1.00𝕚0.65𝕚
3𝕚Battery60 Ah Starboard for engine𝕚13.0𝕚4.31𝕚0.10𝕚2𝕚Battery90 Ah Starboard𝕚17.0𝕚4.11𝕚0.10𝕚1𝕚Battery90 Ah Starboard𝕚17.0𝕚3.96𝕚0.10𝕚
ORC Ref  032700017Q9Issued on 11/05/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

International
Certificate
2021

Boat

FORSATIO

POL 20941

 
Offshore
Racing
Congress

Certificate number: 5
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment1𝕚0.16𝕚0.93𝕚1.71𝕚3.18𝕚4.41𝕚49.91𝕚𝕚17/07/2019𝕚Ocean Sails𝕚Dacron𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment1𝕚0.08𝕚0.61𝕚1.20𝕚2.53𝕚4.02𝕚5.58𝕚16.50𝕚No𝕚No𝕚 𝕚43.83𝕚𝕚17/07/2019𝕚Ocean Sails𝕚Dacron𝕚𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment1𝕚19.78𝕚16.89𝕚18.34𝕚9.59𝕚11.18𝕚86%𝕚151.39𝕚𝕚17/07/2019𝕚Ocean Sails𝕚Nylon𝕚𝕚
ORC Ref  032700017Q9Issued on 11/05/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org