Club
Certificate
Non Spinnaker
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°39.4°38.8°38.7°38.8°
Beat VMG3.854.655.135.355.475.535.57
52°5.896.917.457.677.797.867.92
60°6.207.167.667.908.018.098.16
75°6.427.337.828.118.308.418.56
90°6.307.287.838.178.448.678.98
110°5.616.697.508.008.378.729.35
120°5.146.367.287.868.268.629.36
135°4.475.696.677.427.928.309.03
150°3.744.885.886.747.427.908.61
Run VMG3.244.235.115.916.657.298.15
Gybe Angles143.3°148.7°153.8°159.5°168.2°176.6°179.0°

APH: 538.0

CDL: 10.745

GPH: 605.8

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 Allowance0.110%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail16.24Storm Jib14.24Heavy Weather Jib38.44
SAIL LIMITS
Headsails6  Spinnakers0 * Spinnaker pole aboard
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  03440002MC5Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG934.1773.7701.8673.1658.7650.7646.9
52°611.3521.3483.5469.2462.2458.3454.6
60°580.3502.5469.8455.8449.3445.3441.0
75°560.5491.0460.2443.9434.0427.9420.5
90°571.1494.6460.1440.6426.4415.2400.9
110°641.9538.4480.0450.1430.2413.0385.0
120°700.4566.2494.7458.2436.0417.5384.6
135°805.0633.1539.5484.9454.5434.0398.5
150°961.4737.6612.2534.2485.1455.8418.1
Run VMG1110.1851.7704.7609.4541.7493.7441.9
Selected Courses
Windward / Leeward1022.1812.7703.2641.3600.2572.2544.4
All purpose772.2629.9557.4518.2493.9477.5457.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward669.90.8957
All purpose538.01.1153
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8335
Downwind "popa"0.8836
70% up, 30% down "Ilhabela"0.8480
30% up, 70% down "Ilhabela-inverso"0.8680
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Predominantly Upwind568.81.0549
Predominantly Downwind564.41.0631
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low701.00.8559
Triple Number All Purpose Medium534.51.1225
Triple Number All Purpose High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Predominantly Upwind568.81.0549
Predominantly Downwind564.41.0631
Predominantly Upwind Low747.30.8028
Predominantly Upwind Medium577.71.0385
Predominantly Upwind High544.41.1020
Predominantly Downwind Low814.30.7368
Predominantly Downwind Medium571.01.0508
Predominantly Downwind High460.71.3025
Chicago-Mac Upwind1.0364
Chicago-Mac All Purpose1.0374
Chicago-Mac Downwind1.0403
Bayview-Mac Cove Island0.9707
Bayview-Mac Shore0.9915
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching509.31.1781
Predominantly Reaching Low637.00.9420
Predominantly Reaching Medium507.61.1820
Predominantly Reaching High444.31.3504
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1006.00.5964
5-Band Low / Medium834.80.7187
5-Band Medium653.10.9186
5-Band Medium / High578.11.0379
5-Band High549.21.0925
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance589.3
Triple Number Coastal/Long Distance Low701.0
Triple Number Coastal/Long Distance Medium534.5
Triple Number Coastal/Long Distance High474.1
Triple Number Windward/Leeward Low917.4
Triple Number Windward/Leeward Medium665.9
Triple Number Windward/Leeward High568.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8559
Triple Number Coastal/Long Distance Medium1.1225
Triple Number Coastal/Long Distance High1.2656
Triple Number Windward/Leeward Low0.6540
Triple Number Windward/Leeward Medium0.9010
Triple Number Windward/Leeward High1.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low701.0
Triple Number Coastal/Long Distance Medium534.5
Triple Number Coastal/Long Distance High474.1
Triple Number Windward/Leeward Low917.4
Triple Number Windward/Leeward Medium665.9
Triple Number Windward/Leeward High568.8
Predominantly Upwind568.8
Predominantly Downwind564.4
Predominantly Reaching529.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8559
Triple Number Coastal/Long Distance Medium1.1225
Triple Number Coastal/Long Distance High1.2656
Triple Number Windward/Leeward Low0.6540
Triple Number Windward/Leeward Medium0.9010
Triple Number Windward/Leeward High1.0549
Coastal/Long Distance1.0182
Predominantly Upwind1.0549
Predominantly Downwind1.0631
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8559
Tretall Distanseseilas Mellomvind1.1225
Tretall Distanseseilas Mye vind1.2656
Tretall Pølsebane Lite vind0.6540
Tretall Pølsebane Mellomvind0.9010
Tretall Pølsebane Mye vind1.0549
Distanseseilas ett tall (OSN 8-16kn)1.0182
Distanseseilas ett tall (APH 6-20kn)1.1153
Enkeltall Motvind1.0549
Enkeltall Medvind1.0631
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Coastal/Long Distance589.31.0182
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind568.81.0549
Predominantly Downwind564.41.0631
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore552.71.0855
Cape Doctor Coastal463.51.2946
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8559
Triple Number Coastal/Long Distance Medium1.1225
Triple Number Coastal/Long Distance High1.2656
Triple Number Windward/Leeward Low0.6540
Triple Number Windward/Leeward Medium0.9010
Triple Number Windward/Leeward High1.0549
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8559
Triple Number Coastal/Long Distance Medium1.1225
Triple Number Coastal/Long Distance High1.2656
Triple Number Windward/Leeward Low0.6540
Triple Number Windward/Leeward Medium0.9010
Triple Number Windward/Leeward High1.0549
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Predominantly Upwind568.81.0549
Predominantly Downwind564.41.0631
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance589.31.0182
Triple Number Coastal/Long Distance Low701.00.8559
Triple Number Coastal/Long Distance Medium534.51.1225
Triple Number Coastal/Long Distance High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1030.9765.2631.6554.6513.4482.7437.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low701.00.8559
Triple Number All Purpose Medium534.51.1225
Triple Number All Purpose High474.11.2656
Triple Number Windward/Leeward Low917.40.6540
Triple Number Windward/Leeward Medium665.90.9010
Triple Number Windward/Leeward High568.81.0549
Predominantly Upwind568.81.0549
Predominantly Downwind564.41.0631
Predominantly Upwind Low747.30.8028
Predominantly Upwind Medium577.71.0385
Predominantly Upwind High544.41.1020
Predominantly Downwind Low814.30.7368
Predominantly Downwind Medium571.01.0508
Predominantly Downwind High460.71.3025
Chicago-Mac Upwind1.0364
Chicago-Mac All Purpose1.0374
Chicago-Mac Downwind1.0403
Bayview-Mac Cove Island0.9707
Bayview-Mac Shore0.9915
Harvest Moon Regatta465.91.2879
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy558.71.0739
San Francisco Bay Medium656.30.9143
Predominantly Reaching509.31.1781
Predominantly Reaching Low637.00.9420
Predominantly Reaching Medium507.61.1820
Predominantly Reaching High444.31.3504
Windward/Leeward 60-40 Low904.70.6632
Windward/Leeward 60-40 Medium673.30.8911
Windward/Leeward 60-40 High596.81.0053
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1006.00.5964
5-Band Low / Medium834.80.7187
5-Band Medium653.10.9186
5-Band Medium / High578.11.0379
5-Band High549.21.0925
ORC Ref  03440002MC5Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L11.646LSM011.497Acc. 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  03440002MC5Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002MC5Issued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org