International
Certificate
2021

Boat

TOWHEE

USA 1781

 

Offshore
Racing
Congress

Certificate number: US6801

Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles44.3°43.1°43.5°42.6°41.4°40.9°41.3°
Beat VMG3.183.834.354.714.894.984.99
52°4.905.846.596.987.127.197.24
60°5.226.186.857.187.337.417.47
75°5.506.467.037.347.577.727.85
90°5.476.467.067.447.667.918.29
110°5.276.437.167.577.928.238.62
120°5.136.287.077.517.898.298.90
135°4.665.776.717.257.638.028.80
150°3.965.025.956.777.267.608.32
Run VMG3.434.345.165.916.547.087.77
Gybe Angles146.0°150.0°151.0°155.0°170.0°180.0°180.0°

GPH = 654.7

CDL = 8.588

BOAT
ClassCAL 40𝕚DesignerLAPWORTH BuilderCALAge Date01/1967Series Date01/1963Offset Filecal40.off
HULL
Length Overall11.912 mMaximum Beam3.322 mDraft1.794 mDisplacement7,004 kgDLR8.5203IMS DivisionCruiser/RacerDynamic Allowance0.259%Age Allowance0.487%
PROPELLER
InstallationShaft exposed𝕚TypeFeathering 3 blades𝕚Diameter0.426m
CREW
Maximum weight647 kg𝕚Minimum weight485 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail37.9339.33Headsail Luffed48.9948.99Headsail FlyingSymmetric96.56𝕚96.56𝕚Asymmetric82.36𝕚82.36𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment173.8 kg·mStability Index125.0
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref 03410000WPFIssued on 16/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

TOWHEE

USA 1781

 

Offshore
Racing
Congress

Certificate number: US6801

Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1132.9940.7828.4763.6736.4723.2721.1
52°734.2616.6546.2515.9505.5500.6497.5
60°689.8582.6525.7501.4491.2486.1482.2
75°654.3557.0512.2490.3475.7466.5458.3
90°658.6557.1509.8484.1470.0455.0434.3
110°682.7559.6502.7475.6454.4437.3417.6
120°702.1572.9509.0479.6456.0434.5404.4
135°773.3624.4536.8496.4472.0449.1409.0
150°909.4717.8604.9531.5496.0473.5432.5
Run VMG1050.1828.8698.1608.7550.3508.4463.1
Selected Courses
Windward / Leeward1091.5884.8763.3686.2643.4615.8592.1
All purpose837.3687.3603.8556.7531.2512.7493.3
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward721.40.8317
All purpose580.61.0335
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low762.30.7871
Triple Number All Purpose Medium576.91.0400
Triple Number All Purpose High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Predominantly Upwind631.80.9497
Predominantly Downwind588.91.0188
Predominantly Upwind Low858.20.6992
Predominantly Upwind Medium653.30.9184
Predominantly Upwind High600.10.9998
Predominantly Downwind Low827.70.7249
Predominantly Downwind Medium582.01.0309
Predominantly Downwind High481.51.2461
Chicago-Mac Upwind0.9306
Chicago-Mac All Purpose0.9620
Chicago-Mac Downwind1.0002
Bayview-Mac Cove Island0.8893
Bayview-Mac Shore0.8971
Victoria-Maui1.0730
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance634.9
Triple Number Coastal/Long Distance Low762.3
Triple Number Coastal/Long Distance Medium576.9
Triple Number Coastal/Long Distance High510.1
Triple Number Windward/Leeward Low988.1
Triple Number Windward/Leeward Medium717.7
Triple Number Windward/Leeward High613.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7871
Triple Number Coastal/Long Distance Medium1.0400
Triple Number Coastal/Long Distance High1.1763
Triple Number Windward/Leeward Low0.6072
Triple Number Windward/Leeward Medium0.8360
Triple Number Windward/Leeward High0.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low762.3
Triple Number Coastal/Long Distance Medium576.9
Triple Number Coastal/Long Distance High510.1
Triple Number Windward/Leeward Low988.1
Triple Number Windward/Leeward Medium717.7
Triple Number Windward/Leeward High613.8
Predominantly Upwind631.8
Predominantly Downwind588.9
Predominantly Reaching563.4
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7871
Triple Number Coastal/Long Distance Medium1.0400
Triple Number Coastal/Long Distance High1.1763
Triple Number Windward/Leeward Low0.6072
Triple Number Windward/Leeward Medium0.8360
Triple Number Windward/Leeward High0.9775
Coastal/Long Distance0.9450
Predominantly Upwind0.9497
Predominantly Downwind1.0188
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9450
Tretall Distanseseilas Lite vind0.7871
Tretall Distanseseilas Mellomvind1.0400
Tretall Distanseseilas Mye vind1.1763
Tretall Pølsebane Lite vind0.6072
Tretall Pølsebane Mellomvind0.8360
Tretall Pølsebane Mye vind0.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind631.80.9497
Predominantly Downwind588.91.0188
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore599.21.0013
Cape Doctor Coastal499.11.2021
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7871
Triple Number Coastal/Long Distance Medium1.0400
Triple Number Coastal/Long Distance High1.1763
Triple Number Windward/Leeward Low0.6072
Triple Number Windward/Leeward Medium0.8360
Triple Number Windward/Leeward High0.9775
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7871
Triple Number Coastal/Long Distance Medium1.0400
Triple Number Coastal/Long Distance High1.1763
Triple Number Windward/Leeward Low0.6072
Triple Number Windward/Leeward Medium0.8360
Triple Number Windward/Leeward High0.9775
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Predominantly Upwind631.80.9497
Predominantly Downwind588.91.0188
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance634.90.9450
Triple Number Coastal/Long Distance Low762.30.7871
Triple Number Coastal/Long Distance Medium576.91.0400
Triple Number Coastal/Long Distance High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1087.4829.3684.1595.7551.8518.9470.2
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low762.30.7871
Triple Number All Purpose Medium576.91.0400
Triple Number All Purpose High510.11.1763
Triple Number Windward/Leeward Low988.10.6072
Triple Number Windward/Leeward Medium717.70.8360
Triple Number Windward/Leeward High613.80.9775
Predominantly Upwind631.80.9497
Predominantly Downwind588.91.0188
Predominantly Upwind Low858.20.6992
Predominantly Upwind Medium653.30.9184
Predominantly Upwind High600.10.9998
Predominantly Downwind Low827.70.7249
Predominantly Downwind Medium582.01.0309
Predominantly Downwind High481.51.2461
Chicago-Mac Upwind0.9306
Chicago-Mac All Purpose0.9620
Chicago-Mac Downwind1.0002
Bayview-Mac Cove Island0.8893
Bayview-Mac Shore0.8971
Harvest Moon Regatta506.51.1846
Victoria-Maui1.0730
ORC Ref 03410000WPFIssued on 16/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

TOWHEE

USA 1781

 

Offshore
Racing
Congress

Certificate number: US6801

Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassCAL 40𝕚LOA11.912𝕚VCGD-0.081𝕚Measurement14/09/2018𝕚Max. Beam3.322𝕚VCGM-0.090𝕚Measurer𝕚Draft1.794𝕚RM Measured (kg·m)173.8𝕚HIN𝕚Displacement7,004𝕚RM Default (kg·m)164.8𝕚Plan review𝕚IMS L9.534𝕚Limit of positive stability (°)118.6𝕚Hull ConstructionSolid𝕚LSM09.367𝕚Stability Index125.0𝕚Carbon rudderYes𝕚Acc. length10.797𝕚Light stanchionsNo𝕚Wetted area30.06𝕚Trim tab𝕚Sink (kg/mm)20.52𝕚
PROPELLER
Propeller TypeFeathering 3 blades𝕚
InstallationShaft exposed𝕚PRD0.426𝕚PHD0.055𝕚ESL0.959𝕚ST20.080𝕚ST40.061𝕚Twin screw𝕚PBW0.155𝕚PHL0.130𝕚ST10.017𝕚ST30.089𝕚ST52.380𝕚PIPA0.0054𝕚PSD0.031𝕚PSA18.000𝕚
RIG
Forestay tensionAft𝕚P12.207𝕚E5.335𝕚Inner stayAdjustable𝕚IG14.044𝕚J4.600𝕚Carbon mastNo𝕚ISP14.099𝕚BAS1.344𝕚Headsail furlerNo𝕚MDT10.130𝕚FSD0.000𝕚Mainsail furlerNo𝕚MDL10.262𝕚SFJ0.000𝕚Articulated bowspritNo𝕚MDT20.130𝕚SPL4.763𝕚Non-circular riggingNo𝕚MDL20.182𝕚TPS0.000𝕚Fiber riggingNo𝕚TL1.987𝕚BD0.195𝕚Runners/Checkstays1𝕚MW0.195𝕚MWT191.00𝕚Spreaders1𝕚GO0.262𝕚MCG4.698𝕚
 
FLOTATION AND STABILITY
Inclining TestPoles Inclining𝕚SFFP0.637𝕚SAFP11.245𝕚Flotation Date14/09/2018𝕚FFM1.326𝕚FAM0.870𝕚Measurer𝕚FF1.329𝕚FA0.873𝕚Comment𝕚LCFcl6.405𝕚LCFsh6.613𝕚SG1.0170𝕚HBI1.050𝕚
W1116.5𝕚W2116.5𝕚W3116.5𝕚W4116.5𝕚
PD1628.6𝕚PD2628.6𝕚PD3628.6𝕚PD4628.6𝕚
WD11.910𝕚PLM9000.00𝕚GSA1.0𝕚RSA1.0𝕚
ORC Ref 03410000WPFIssued on 16/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

International
Certificate
2021

Boat

TOWHEE

USA 1781

 

Offshore
Racing
Congress

Certificate number: US6801

MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeasurementManufacturerMaterialComment2878296𝕚0.15𝕚1.04𝕚1.90𝕚3.34𝕚4.44𝕚37.94𝕚𝕚𝕚BILL WALKER NORTH SAILS MILFORD CT 02/28/2020𝕚𝕚2020 MEASURED MAINSAIL 𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingAreaMeasurerMeasurementManufacturerMaterialComment2878306𝕚0.08𝕚0.90𝕚1.73𝕚3.45𝕚5.28𝕚7.17𝕚13.89𝕚No𝕚No𝕚49.00𝕚𝕚𝕚MENAKA NORTH SRI LANKA𝕚𝕚2019 medium-heavy genoa𝕚
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeasurerMeasurementManufacturerMaterialComment2878318𝕚14.09𝕚14.09𝕚14.09𝕚8.26𝕚8.08𝕚96.57𝕚𝕚𝕚HEMAMALI NORTH SRI LANKA𝕚𝕚S4 SPINNAKER𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeasurementManufacturerMaterialCommentOUS139166-001𝕚13.89𝕚12.53𝕚13.21𝕚7.41𝕚7.77𝕚95%𝕚82.37𝕚𝕚26/06/2020𝕚NORTH SRI LANKA𝕚Unknown𝕚𝕚
ORC Ref 03410000WPFIssued on 16/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org