Club
Certificate
2023

Boat

Bjørnstjerne

NOR 12042

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.2°41.4°40.0°39.3°38.8°38.7°38.8°
Beat VMG3.854.655.135.355.475.535.57
52°5.896.907.457.677.797.867.92
60°6.207.167.667.908.018.098.16
75°6.427.337.828.118.308.418.56
90°6.307.287.828.178.448.678.98
110°5.977.207.908.348.709.009.43
120°5.787.037.808.288.709.109.86
135°5.166.437.377.968.408.839.76
150°4.325.526.567.397.948.369.19
Run VMG3.744.785.686.477.117.698.51
Gybe Angles141.5°147.8°151.4°155.9°164.0°175.4°179.0°

APH: 519.3

CDL: 10.749

GPH: 581.6

CertNo: 9457

BOAT
ClassX-43DesignerNiels JeppesenBuilderX-YachtsAge date01/2007Series date01/2003Offset fileX43STD+.OFFData file9457
HULL
Length Overall12.930 mMaximum Beam3.954 mDraft2.203 mDisplacement8,998 kgDLR5.9189IMS DivisionCruiser/RacerDynamic Allowance0.040%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight840 kgMinimum weight630 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail53.1554.05Headsail Luffed54.3054.30Headsail FlyingSymmetric117.71117.71Asymmetric105.11105.11 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail16.24Storm Jib14.24Heavy Weather Jib38.44
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric may be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  03440002MA4Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Bjørnstjerne

NOR 12042

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG934.4773.9701.8673.0658.6650.5646.7
52°611.5521.4483.5469.2462.2458.2454.6
60°580.5502.6469.8455.8449.3445.2441.0
75°560.7491.1460.2443.9434.0427.9420.4
90°571.3494.7460.1440.7426.5415.3400.9
110°603.0499.8455.5431.9413.9399.8381.9
120°623.3512.3461.5434.8413.9395.7365.2
135°697.0560.2488.6452.2428.5407.7369.0
150°833.1652.2548.9487.2453.2430.6391.5
Run VMG962.0753.1633.4556.8506.0468.3423.3
Selected Courses
Windward / Leeward948.2763.5667.6614.9582.3559.4535.0
All purpose726.2597.9535.0502.1481.8467.5448.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward640.90.9362
All purpose519.31.1555
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8335
Downwind "popa"0.9761
70% up, 30% down "Ilhabela"0.8717
30% up, 70% down "Ilhabela-inverso"0.9285
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Predominantly Upwind558.41.0745
Predominantly Downwind530.31.1314
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low662.00.9063
Triple Number All Purpose Medium516.01.1629
Triple Number All Purpose High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Predominantly Upwind558.41.0745
Predominantly Downwind530.31.1314
Predominantly Upwind Low726.10.8263
Predominantly Upwind Medium575.01.0434
Predominantly Upwind High542.71.1055
Predominantly Downwind Low736.60.8146
Predominantly Downwind Medium528.91.1345
Predominantly Downwind High439.71.3647
Chicago-Mac Upwind1.0561
Chicago-Mac All Purpose1.0806
Chicago-Mac Downwind1.1107
Bayview-Mac Cove Island1.0113
Bayview-Mac Shore1.0232
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching492.91.2174
Predominantly Reaching Low600.10.9998
Predominantly Reaching Medium488.51.2283
Predominantly Reaching High433.51.3841
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low933.90.6424
5-Band Low / Medium783.30.7660
5-Band Medium625.90.9586
5-Band Medium / High563.81.0641
5-Band High539.21.1128
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance565.8
Triple Number Coastal/Long Distance Low662.0
Triple Number Coastal/Long Distance Medium516.0
Triple Number Coastal/Long Distance High464.0
Triple Number Windward/Leeward Low855.8
Triple Number Windward/Leeward Medium636.7
Triple Number Windward/Leeward High556.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9063
Triple Number Coastal/Long Distance Medium1.1629
Triple Number Coastal/Long Distance High1.2930
Triple Number Windward/Leeward Low0.7011
Triple Number Windward/Leeward Medium0.9424
Triple Number Windward/Leeward High1.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low662.0
Triple Number Coastal/Long Distance Medium516.0
Triple Number Coastal/Long Distance High464.0
Triple Number Windward/Leeward Low855.8
Triple Number Windward/Leeward Medium636.7
Triple Number Windward/Leeward High556.0
Predominantly Upwind558.4
Predominantly Downwind530.3
Predominantly Reaching506.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9063
Triple Number Coastal/Long Distance Medium1.1629
Triple Number Coastal/Long Distance High1.2930
Triple Number Windward/Leeward Low0.7011
Triple Number Windward/Leeward Medium0.9424
Triple Number Windward/Leeward High1.0792
Coastal/Long Distance1.0604
Predominantly Upwind1.0745
Predominantly Downwind1.1314
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9063
Tretall Distanseseilas Mellomvind1.1629
Tretall Distanseseilas Mye vind1.2930
Tretall Pølsebane Lite vind0.7011
Tretall Pølsebane Mellomvind0.9424
Tretall Pølsebane Mye vind1.0792
Distanseseilas ett tall (OSN 8-16kn)1.0604
Distanseseilas ett tall (APH 6-20kn)1.1555
Enkeltall Motvind1.0745
Enkeltall Medvind1.1314
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Coastal/Long Distance565.81.0604
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind558.41.0745
Predominantly Downwind530.31.1314
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore542.31.1064
Cape Doctor Coastal454.41.3205
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9063
Triple Number Coastal/Long Distance Medium1.1629
Triple Number Coastal/Long Distance High1.2930
Triple Number Windward/Leeward Low0.7011
Triple Number Windward/Leeward Medium0.9424
Triple Number Windward/Leeward High1.0792
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9063
Triple Number Coastal/Long Distance Medium1.1629
Triple Number Coastal/Long Distance High1.2930
Triple Number Windward/Leeward Low0.7011
Triple Number Windward/Leeward Medium0.9424
Triple Number Windward/Leeward High1.0792
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Predominantly Upwind558.41.0745
Predominantly Downwind530.31.1314
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance565.81.0604
Triple Number Coastal/Long Distance Low662.00.9063
Triple Number Coastal/Long Distance Medium516.01.1629
Triple Number Coastal/Long Distance High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.5718.9602.4536.2500.2472.0427.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low662.00.9063
Triple Number All Purpose Medium516.01.1629
Triple Number All Purpose High464.01.2930
Triple Number Windward/Leeward Low855.80.7011
Triple Number Windward/Leeward Medium636.70.9424
Triple Number Windward/Leeward High556.01.0792
Predominantly Upwind558.41.0745
Predominantly Downwind530.31.1314
Predominantly Upwind Low726.10.8263
Predominantly Upwind Medium575.01.0434
Predominantly Upwind High542.71.1055
Predominantly Downwind Low736.60.8146
Predominantly Downwind Medium528.91.1345
Predominantly Downwind High439.71.3647
Chicago-Mac Upwind1.0561
Chicago-Mac All Purpose1.0806
Chicago-Mac Downwind1.1107
Bayview-Mac Cove Island1.0113
Bayview-Mac Shore1.0232
Harvest Moon Regatta450.71.3311
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy545.31.1003
San Francisco Bay Medium628.30.9550
Predominantly Reaching492.91.2174
Predominantly Reaching Low600.10.9998
Predominantly Reaching Medium488.51.2283
Predominantly Reaching High433.51.3841
Windward/Leeward 60-40 Low855.50.7014
Windward/Leeward 60-40 Medium654.00.9175
Windward/Leeward 60-40 High588.31.0198
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low933.90.6424
5-Band Low / Medium783.30.7660
5-Band Medium625.90.9586
5-Band Medium / High563.81.0641
5-Band High539.21.1128
ORC Ref  03440002MA4Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Bjørnstjerne

NOR 12042

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-43MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.930Max. Beam3.954Draft2.203Displacement8,998Wetted area34.02IMS L11.651LSM011.497Acc. length12.851Sink (kg/mm) 25.33
VCGD0.120VCGM0.068RM Rated (kg·m) 204.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBWPIPA0.0038
EDL2.720ST10.050ST20.180
ST30.180ST40.112ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P16.000IG16.800ISP16.930MDT10.130MDL10.240MDT20.130MDL20.190TL0.890MW0.240GO0.260
E5.800J4.660BAS1.850FSDFoilSFJ0.000SPL4.753WPLTPS0.000BDMWT275.00MCG6.130
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.120Flotation Date01/01/2015MeasurerComment
SFFP0.370FFMFF1.481LCFcl7.275SG1.0000
SAFP12.150FAMFA1.148LCFsh7.524HBI1.288
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002MA4Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Bjørnstjerne

NOR 12042

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2022081515110.181.122.033.554.7153.1515/08/2022Main 2022 rullebom
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment306-2010060714060.000.000.000.000.006.3516.80NoNo 54.3007/06/2010G1306-2015061110530.080.831.583.104.616.2716.81NoNo 52.4211/06/2015306-2010060714070.000.000.000.000.004.8516.75NoNo 41.3507/06/2010G3306-2010060714080.000.000.000.000.004.4614.85NoNo 33.7107/06/2010Hf417-2010010609320.000.000.000.000.003.5913.74NoNo 25.1106/01/2010
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment306-20100607140916.5916.5916.590.008.35117.7107/06/2010S2
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment306-20230516170417.5014.8016.157.777.9797%105.1116/05/2023Easy Furling Genakker 2023
ORC Ref  03440002MA4Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org