International
Certificate
2021

Boat

FORTE

EST 475

 
Offshore
Racing
Congress

Certificate number: 248/21
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°41.3°39.8°38.3°37.9°37.5°37.9°
Beat VMG3.814.625.215.465.575.635.75
52°5.806.907.517.747.837.878.01
60°6.137.187.707.948.048.108.23
75°6.417.377.848.158.378.508.62
90°6.357.477.858.198.538.849.24
110°6.457.628.168.518.789.069.62
120°6.317.538.128.649.129.4710.18
135°5.617.027.818.318.879.4911.09
150°4.735.917.017.748.108.489.54
Run VMG4.105.126.076.717.047.548.34
Gybe Angles143.0°146.0°148.0°151.3°152.0°176.0°177.0°

GPH = 566.2

CDL = 10.734

BOAT
ClassX-41𝕚DesignerJEPPESENBuilderX YACHTSAge Date05/2007Series Date01/2006Offset FileX41-EST475.off
HULL
Length Overall12.350 mMaximum Beam3.646 mDraft2.511 mDisplacement7,175 kgDLR5.2132IMS DivisionCruiser/RacerDynamic Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.430m
CREW
Maximum weight880 kg𝕚Minimum weight660 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail52.2253.24Headsail Luffed45.7845.78Headsail FlyingSymmetricAsymmetric171.93𝕚171.93𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails6 Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment198.6 kg·mStability Index128.2
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.

International
Certificate
2021

Boat

FORTE

EST 475

 
Offshore
Racing
Congress

Certificate number: 248/21
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG944.6778.5690.7658.9646.1638.9625.7
52°620.5521.7479.2465.3459.9457.2449.6
60°587.3501.6467.4453.4447.6444.5437.6
75°562.0488.3459.0441.9429.9423.3417.4
90°567.4481.7458.4439.4422.2407.2389.6
110°558.3472.4440.9423.1410.2397.4374.2
120°570.5478.1443.4416.7394.9380.2353.6
135°641.4513.2461.0433.4406.0379.3324.6
150°760.5609.2513.9465.0444.4424.3377.5
Run VMG878.1703.4593.4536.3511.2477.2431.8
Selected Courses
Windward / Leeward911.3741.0642.1597.6578.6558.0528.8
All purpose700.9579.1519.0490.5474.6460.8436.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward625.30.9595
All purpose506.71.1840
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.8428
Downwind "popa"1.0166
70% up, 30% down "Ilhabela"0.8884
30% up, 70% down "Ilhabela-inverso"0.9574
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Predominantly Upwind548.71.0935
Predominantly Downwind511.11.1739
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low640.00.9375
Triple Number All Purpose Medium503.41.1918
Triple Number All Purpose High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Predominantly Upwind548.71.0935
Predominantly Downwind511.11.1739
Predominantly Upwind Low718.00.8356
Predominantly Upwind Medium567.31.0576
Predominantly Upwind High532.61.1266
Predominantly Downwind Low694.70.8637
Predominantly Downwind Medium508.41.1802
Predominantly Downwind High431.21.3915
Chicago-Mac Upwind1.0761
Chicago-Mac All Purpose1.1118
Chicago-Mac Downwind1.1552
Bayview-Mac Cove Island1.0369
Bayview-Mac Shore1.0439
Victoria-Maui1.2252
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance551.5
Triple Number Coastal/Long Distance Low640.0
Triple Number Coastal/Long Distance Medium503.4
Triple Number Coastal/Long Distance High455.3
Triple Number Windward/Leeward Low826.1
Triple Number Windward/Leeward Medium619.6
Triple Number Windward/Leeward High552.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9375
Triple Number Coastal/Long Distance Medium1.1918
Triple Number Coastal/Long Distance High1.3179
Triple Number Windward/Leeward Low0.7263
Triple Number Windward/Leeward Medium0.9683
Triple Number Windward/Leeward High1.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low640.0
Triple Number Coastal/Long Distance Medium503.4
Triple Number Coastal/Long Distance High455.3
Triple Number Windward/Leeward Low826.1
Triple Number Windward/Leeward Medium619.6
Triple Number Windward/Leeward High552.2
Predominantly Upwind548.7
Predominantly Downwind511.1
Predominantly Reaching490.0
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9375
Triple Number Coastal/Long Distance Medium1.1918
Triple Number Coastal/Long Distance High1.3179
Triple Number Windward/Leeward Low0.7263
Triple Number Windward/Leeward Medium0.9683
Triple Number Windward/Leeward High1.0865
Coastal/Long Distance1.0879
Predominantly Upwind1.0935
Predominantly Downwind1.1739
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0879
Tretall Distanseseilas Lite vind0.9375
Tretall Distanseseilas Mellomvind1.1918
Tretall Distanseseilas Mye vind1.3179
Tretall Pølsebane Lite vind0.7263
Tretall Pølsebane Mellomvind0.9683
Tretall Pølsebane Mye vind1.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind548.71.0935
Predominantly Downwind511.11.1739
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore537.61.1161
Cape Doctor Coastal444.01.3513
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9375
Triple Number Coastal/Long Distance Medium1.1918
Triple Number Coastal/Long Distance High1.3179
Triple Number Windward/Leeward Low0.7263
Triple Number Windward/Leeward Medium0.9683
Triple Number Windward/Leeward High1.0865
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.9375
Triple Number Coastal/Long Distance Medium1.1918
Triple Number Coastal/Long Distance High1.3179
Triple Number Windward/Leeward Low0.7263
Triple Number Windward/Leeward Medium0.9683
Triple Number Windward/Leeward High1.0865
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Predominantly Upwind548.71.0935
Predominantly Downwind511.11.1739
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance551.51.0879
Triple Number Coastal/Long Distance Low640.00.9375
Triple Number Coastal/Long Distance Medium503.41.1918
Triple Number Coastal/Long Distance High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance908.0696.3581.8522.3492.3465.2419.2
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low640.00.9375
Triple Number All Purpose Medium503.41.1918
Triple Number All Purpose High455.31.3179
Triple Number Windward/Leeward Low826.10.7263
Triple Number Windward/Leeward Medium619.60.9683
Triple Number Windward/Leeward High552.21.0865
Predominantly Upwind548.71.0935
Predominantly Downwind511.11.1739
Predominantly Upwind Low718.00.8356
Predominantly Upwind Medium567.31.0576
Predominantly Upwind High532.61.1266
Predominantly Downwind Low694.70.8637
Predominantly Downwind Medium508.41.1802
Predominantly Downwind High431.21.3915
Chicago-Mac Upwind1.0761
Chicago-Mac All Purpose1.1118
Chicago-Mac Downwind1.1552
Bayview-Mac Cove Island1.0369
Bayview-Mac Shore1.0439
Harvest Moon Regatta448.61.3376
Victoria-Maui1.2252

International
Certificate
2021

Boat

FORTE

EST 475

 
Offshore
Racing
Congress

Certificate number: 248/21
Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassX-41𝕚Measurement17/04/2016𝕚Measurer𝕚HIN𝕚Plan review𝕚Hull constructionCored𝕚Carbon RudderNo𝕚Light stanchions𝕚Trim tabNo𝕚
LOA12.350𝕚Max. Beam3.646𝕚Draft2.511𝕚Displacement7,175𝕚Wetted area31.29𝕚IMS L11.211𝕚LSM011.123𝕚Acc. length11.850𝕚Sink (kg/mm)23.35𝕚
VCGD-0.068𝕚VCGM-0.100𝕚RM Measured (kg·m)198.6𝕚RM Default (kg·m)206.0𝕚Limit of positive stability(°)124.0𝕚Stability Index128.2𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.430𝕚EDL1.540𝕚ST3𝕚Twin screwNo𝕚PBW0.125𝕚ST10.060𝕚ST40.092𝕚PIPA0.0032𝕚ST2𝕚ST50.325𝕚
RIG
Forestay tensionAft𝕚Inner stayNone Fitted𝕚Carbon mastYes𝕚Headsail furlerNo𝕚Mainsail furlerNo𝕚Articulated bowspritNo𝕚Non-circular riggingNo𝕚Fiber riggingNo𝕚Runners/Checkstays0𝕚Spreaders2𝕚
P15.920𝕚IG17.030𝕚ISP18.170𝕚MDT10.131𝕚MDL10.251𝕚MDT20.122𝕚MDL20.190𝕚TL0.550𝕚MW0.251𝕚GO0.276𝕚
E5.500𝕚J4.910𝕚BAS1.865𝕚FSD0.036𝕚SFJ0.285𝕚SPL5.268𝕚TPS6.490𝕚BD0.270𝕚MWT204.00𝕚MCG5.810𝕚
FLOTATION AND STABILITY
Inclining TestPoles Inclining𝕚SFFP0.200𝕚SAFP11.995𝕚Flotation Date25/05/2020𝕚FFM1.429𝕚FAM1.079𝕚Measurer𝕚FF1.439𝕚FA1.086𝕚Comment𝕚LCFcl6.951𝕚LCFsh7.159𝕚SG1.0000𝕚HBI1.197𝕚
W199.6𝕚W299.6𝕚W399.6𝕚W499.6𝕚
PD1552.9𝕚PD2553.9𝕚PD3553.1𝕚PD4552.2𝕚
WD14.000𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
MEASUREMENT INVENTORY
IdTankTypeCapacityLCGVCGConditionDescription1𝕚Fuel𝕚metal𝕚90.0𝕚7.00𝕚𝕚15.0𝕚𝕚2𝕚Water𝕚plastic𝕚180.0𝕚6.00𝕚𝕚0.0𝕚𝕚3𝕚Waste𝕚metal𝕚15.0𝕚4.00𝕚𝕚0.0𝕚𝕚
IdItemDescriptionWeightLCGVCG1𝕚BallastCenterline, 37,2+38,3kg𝕚75.5𝕚7.20𝕚𝕚2𝕚BallastStarboard, 33,9+34,8+36,1+38,2kg𝕚143.0𝕚6.70𝕚𝕚3𝕚BallastPort, 36,1+36,2+35+36 kg𝕚143.3𝕚6.70𝕚𝕚Totalballast361.8𝕚
IdItemDescriptionWeightLCGVCG
1𝕚BatteryEngine battery𝕚25.0𝕚8.00𝕚𝕚2𝕚BatteryService batteries 𝕚120.0𝕚5.00𝕚𝕚-𝕚MiscellaneousRemoved upper shelvs𝕚𝕚𝕚𝕚

International
Certificate
2021

Boat

FORTE

EST 475

 
Offshore
Racing
Congress

Certificate number: 248/21
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeas.DateMakerMaterialComment4a𝕚0.34𝕚1.22𝕚2.10𝕚3.52𝕚4.58𝕚52.22𝕚𝕚18/07/2021𝕚North Sails𝕚Unknown𝕚𝕚7𝕚0.21𝕚1.16𝕚2.01𝕚3.46𝕚4.46𝕚50.98𝕚𝕚𝕚𝕚Unknown𝕚P15,80;E5,37𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeasurerMeas.DateMakerMaterialComment11𝕚0.14𝕚0.78𝕚1.44𝕚2.72𝕚3.94𝕚5.20𝕚17.07𝕚Yes𝕚No𝕚 𝕚45.78𝕚𝕚18/07/2021𝕚North Sails𝕚Unknown𝕚2020 Medium𝕚9𝕚0.12𝕚0.76𝕚1.42𝕚2.70𝕚3.97𝕚5.24𝕚17.05𝕚Yes𝕚No𝕚 𝕚45.76𝕚𝕚𝕚𝕚Unknown𝕚2015 medium𝕚10b𝕚0.12𝕚0.78𝕚1.45𝕚2.71𝕚3.94𝕚5.18𝕚16.90𝕚Yes𝕚No𝕚 𝕚45.24𝕚𝕚18/07/2021𝕚North Sails𝕚Unknown𝕚2019 light𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeas.DateMakerMaterialComment2a𝕚20.60𝕚17.29𝕚18.95𝕚11.03𝕚10.33𝕚107%𝕚171.93𝕚𝕚18/07/2021𝕚North sails𝕚Unknown𝕚A2𝕚3a𝕚20.09𝕚17.51𝕚18.80𝕚10.50𝕚11.01𝕚95%𝕚166.10𝕚𝕚18/07/2021𝕚North Sails𝕚Unknown𝕚A1,5𝕚