Club
Certificate
2021

Boat

CHRISTOPHER DRAGON

USA 39

 

Offshore
Racing
Congress

Certificate number: US6427

Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°40.9°38.3°36.8°36.4°35.3°35.4°
Beat VMG4.495.495.986.216.326.486.56
52°6.878.038.478.728.899.049.38
60°7.298.268.819.159.379.529.99
75°7.678.469.219.8510.2210.4710.95
90°7.878.789.5010.0910.8711.4112.04
110°7.718.699.7610.8111.5512.2413.42
120°7.368.439.4110.6011.8312.8614.48
135°6.357.918.799.8611.1612.5415.16
150°5.306.747.858.719.5710.7613.69
Run VMG4.595.846.807.518.299.3211.85
Gybe Angles141.5°143.5°149.5°151.8°147.5°145.5°143.3°

GPH = 483.5

CDL = 12.678

BOAT
ClassKER 40+𝕚DesignerJason KerBuilderMcCanghyAge Date01/2016Series Date01/2015Offset File200807_134_Ker40+#3_Mod.off
HULL
Length Overall12.548 mMaximum Beam4.188 mDraft2.991 mDisplacement4,259 kgDLR2.6755IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.195%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.446m
CREW
Maximum weight825 kg𝕚Minimum weight619 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail61.9763.33Headsail Luffed43.7343.73Headsail FlyingSymmetricAsymmetric180.09𝕚180.09𝕚
* 1 asymmetric(s) with SHW/SFL < 85%
SAIL LIMITATIONS
Headsails7 Spinnakers5
STABILITY
Righting Moment177.3 kg·mStability IndexN/A
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref 03410000WTSIssued on 17/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

CHRISTOPHER DRAGON

USA 39

 

Offshore
Racing
Congress

Certificate number: US6427

Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG802.6655.8601.7580.0569.2555.4548.9
52°524.2448.6424.9412.9405.1398.1383.7
60°493.9435.7408.8393.3384.0378.1360.4
75°469.6425.7391.0365.7352.4343.9328.7
90°457.2409.9379.0356.8331.2315.6299.0
110°467.1414.4369.0333.2311.7294.1268.2
120°489.1427.2382.5339.7304.3280.0248.5
135°566.5455.0409.5365.2322.5287.1237.5
150°679.8534.2458.7413.4376.1334.6263.0
Run VMG784.9616.9529.7479.4434.3386.4303.7
Selected Courses
Windward / Leeward793.8636.4565.7529.7501.8470.9426.3
All purpose601.0500.3451.7421.6398.0376.5345.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward544.11.1027
All purpose431.41.3908
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low550.61.0897
Triple Number All Purpose Medium432.31.3880
Triple Number All Purpose High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Predominantly Upwind472.81.2691
Predominantly Downwind436.71.3740
Predominantly Upwind Low612.50.9796
Predominantly Upwind Medium493.41.2161
Predominantly Upwind High456.71.3136
Predominantly Downwind Low606.60.9891
Predominantly Downwind Medium439.91.3640
Predominantly Downwind High337.41.7782
Chicago-Mac Upwind1.2469
Chicago-Mac All Purpose1.2946
Chicago-Mac Downwind1.3450
Bayview-Mac Cove Island1.2129
Bayview-Mac Shore1.2239
Victoria-Maui1.4782
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance471.3
Triple Number Coastal/Long Distance Low550.6
Triple Number Coastal/Long Distance Medium432.3
Triple Number Coastal/Long Distance High370.2
Triple Number Windward/Leeward Low715.1
Triple Number Windward/Leeward Medium543.6
Triple Number Windward/Leeward High461.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0897
Triple Number Coastal/Long Distance Medium1.3880
Triple Number Coastal/Long Distance High1.6207
Triple Number Windward/Leeward Low0.8391
Triple Number Windward/Leeward Medium1.1038
Triple Number Windward/Leeward High1.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low550.6
Triple Number Coastal/Long Distance Medium432.3
Triple Number Coastal/Long Distance High370.2
Triple Number Windward/Leeward Low715.1
Triple Number Windward/Leeward Medium543.6
Triple Number Windward/Leeward High461.9
Predominantly Upwind472.8
Predominantly Downwind436.7
Predominantly Reaching414.3
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0897
Triple Number Coastal/Long Distance Medium1.3880
Triple Number Coastal/Long Distance High1.6207
Triple Number Windward/Leeward Low0.8391
Triple Number Windward/Leeward Medium1.1038
Triple Number Windward/Leeward High1.2990
Coastal/Long Distance1.2729
Predominantly Upwind1.2691
Predominantly Downwind1.3740
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.2729
Tretall Distanseseilas Lite vind1.0897
Tretall Distanseseilas Mellomvind1.3880
Tretall Distanseseilas Mye vind1.6207
Tretall Pølsebane Lite vind0.8391
Tretall Pølsebane Mellomvind1.1038
Tretall Pølsebane Mye vind1.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind472.81.2691
Predominantly Downwind436.71.3740
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore439.71.3647
Cape Doctor Coastal354.71.6914
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0897
Triple Number Coastal/Long Distance Medium1.3880
Triple Number Coastal/Long Distance High1.6207
Triple Number Windward/Leeward Low0.8391
Triple Number Windward/Leeward Medium1.1038
Triple Number Windward/Leeward High1.2990
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low1.0897
Triple Number Coastal/Long Distance Medium1.3880
Triple Number Coastal/Long Distance High1.6207
Triple Number Windward/Leeward Low0.8391
Triple Number Windward/Leeward Medium1.1038
Triple Number Windward/Leeward High1.2990
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Predominantly Upwind472.81.2691
Predominantly Downwind436.71.3740
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance471.31.2729
Triple Number Coastal/Long Distance Low550.61.0897
Triple Number Coastal/Long Distance Medium432.31.3880
Triple Number Coastal/Long Distance High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance792.9599.4509.7453.6414.9378.9323.6
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low550.61.0897
Triple Number All Purpose Medium432.31.3880
Triple Number All Purpose High370.21.6207
Triple Number Windward/Leeward Low715.10.8391
Triple Number Windward/Leeward Medium543.61.1038
Triple Number Windward/Leeward High461.91.2990
Predominantly Upwind472.81.2691
Predominantly Downwind436.71.3740
Predominantly Upwind Low612.50.9796
Predominantly Upwind Medium493.41.2161
Predominantly Upwind High456.71.3136
Predominantly Downwind Low606.60.9891
Predominantly Downwind Medium439.91.3640
Predominantly Downwind High337.41.7782
Chicago-Mac Upwind1.2469
Chicago-Mac All Purpose1.2946
Chicago-Mac Downwind1.3450
Bayview-Mac Cove Island1.2129
Bayview-Mac Shore1.2239
Harvest Moon Regatta371.61.6148
Victoria-Maui1.4782
ORC Ref 03410000WTSIssued on 17/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

CHRISTOPHER DRAGON

USA 39

 

Offshore
Racing
Congress

Certificate number: US6427

Data in meters/kilograms (Metric)𝕚
HULL AND APPENDAGES
ClassKER 40+𝕚LOA12.548𝕚VCGD-0.812𝕚Measurement23/05/2019𝕚Max. Beam4.188𝕚VCGM-0.818𝕚Measurer𝕚Draft2.991𝕚RM Measured (kg·m)177.3𝕚HIN𝕚Displacement4,259𝕚RM Default (kg·m)158.1𝕚Plan review𝕚IMS L12.141𝕚Limit of positive stability (°)N/AHull ConstructionCarbon𝕚LSM011.676𝕚Stability IndexN/ACarbon rudderYes𝕚Acc. length12.548𝕚Light stanchionsNo𝕚Wetted area28.10𝕚Trim tabNo𝕚Sink (kg/mm)21.90𝕚
PROPELLER
Propeller TypeFolding 2 blades𝕚
InstallationStrut𝕚PRD0.446𝕚EDL0.820𝕚ST30.180𝕚Twin screwNo𝕚PBW0.120𝕚ST10.042𝕚ST40.112𝕚PIPA0.0037𝕚ST20.180𝕚ST50.270𝕚
RIG
Forestay tensionAft𝕚P17.100𝕚E5.670𝕚Inner stayNone Fitted𝕚IG16.483𝕚J4.935𝕚Carbon mastYes𝕚ISP18.801𝕚BAS1.703𝕚Headsail furlerNo𝕚MDT10.125𝕚FSD0.035𝕚Mainsail furlerNo𝕚MDL10.246𝕚SFJ0.341𝕚Articulated bowspritNo𝕚MDT20.101𝕚SPL𝕚Non-circular riggingNo𝕚MDL20.122𝕚TPS7.450𝕚Fiber riggingNo𝕚TL2.265𝕚BD0.292𝕚Runners/Checkstays1𝕚MW0.233𝕚MWT150.00𝕚Spreaders2𝕚GO0.258𝕚MCG6.465𝕚
 
FLOTATION AND STABILITY
Inclining TestVCG entered directly𝕚SFFP0.562𝕚SAFP12.465𝕚Flotation Date23/05/2019𝕚FFM1.228𝕚FAM0.917𝕚Measurer𝕚FF1.232𝕚FA0.919𝕚Comment𝕚LCFcl6.928𝕚LCFsh7.182𝕚SG1.0100𝕚HBI1.127𝕚
ORC Ref 03410000WTSIssued on 17/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

CHRISTOPHER DRAGON

USA 39

 

Offshore
Racing
Congress

Certificate number: US6427

MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeasurerMeasurementManufacturerMaterialCommentUK MAIN𝕚1.16𝕚1.86𝕚2.56𝕚3.74𝕚4.78𝕚61.97𝕚𝕚18/06/2020𝕚UK𝕚Unknown𝕚𝕚
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingAreaMeasurerMeasurementManufacturerMaterialComment2406401𝕚0.13𝕚0.81𝕚1.56𝕚2.69𝕚3.85𝕚4.95𝕚16.58𝕚No𝕚No𝕚43.74𝕚𝕚𝕚Butch Ullmer-UKNY𝕚𝕚North #1 Jib𝕚
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeasurerMeasurementManufacturerMaterialComment2020 A𝕚21.35𝕚17.80𝕚19.58𝕚11.02𝕚11.12𝕚99%𝕚180.09𝕚𝕚18/06/2020𝕚UK CHICAGO𝕚Unknown𝕚𝕚2020 code 0𝕚19.45𝕚17.98𝕚18.72𝕚7.30𝕚9.55𝕚76%𝕚120.87𝕚𝕚01/09/2020𝕚UK City Island𝕚Unknown𝕚𝕚
ORC Ref 03410000WTSIssued on 17/03/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org