Club
Certificate
Double Handed
2023

Boat

Blåtann

NOR 3567

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 Angles41.4°40.0°39.4°39.4°39.4°39.6°40.6°
Beat VMG3.554.124.364.464.504.524.45
52°5.296.016.306.426.496.536.53
60°5.516.216.506.636.706.746.78
75°5.666.356.686.876.977.057.13
90°5.576.326.736.987.177.307.46
110°5.356.306.807.137.387.547.81
120°5.176.166.737.117.437.728.16
135°4.635.676.416.877.247.598.39
150°3.914.955.846.486.907.267.99
Run VMG3.384.295.085.786.366.807.47
Gybe Angles145.1°151.1°154.6°162.8°175.4°179.0°179.0°

APH: 604.9

CDL: 7.432

GPH: 670.5

CertNo: 4362

BOAT
ClassX-102 Mk IDesignerNiels JeppesenBuilderNordsø VærftAge date01/1981Series date01/1981Offset fileH099.BOFData file4362
HULL
Length Overall9.990 mMaximum Beam3.346 mDraft1.888 mDisplacement3,846 kgDLR8.2260IMS DivisionCruiser/RacerDynamic Allowance0.020%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.3335.12Headsail Luffed29.5629.56Headsail FlyingSymmetric60.0060.00Asymmetric
STORM SAIL AREAS (m²)
Trysail9.79Storm Jib6.91Heavy Weather Jib18.64
SAIL LIMITS
Headsails5  Spinnakers4
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  03440002JCFIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Blåtann

NOR 3567

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 VMG1013.4874.5825.7807.1799.4796.5809.8
52°680.7599.1571.3560.3554.6551.2551.0
60°653.2579.9553.5543.2537.3533.8531.3
75°636.3567.4538.6524.2516.3510.9505.2
90°646.5569.8535.3515.5502.3493.1482.4
110°672.9571.9529.2504.7487.6477.2460.7
120°696.5584.5534.8506.3484.7466.3440.9
135°777.9634.9562.0524.2497.3474.1429.3
150°921.6726.7616.7555.8521.6496.2450.8
Run VMG1064.2838.6708.0623.3565.9529.8481.7
Selected Courses
Windward / Leeward1038.8856.5766.8715.2682.7663.1645.7
All purpose803.9677.9619.7588.3569.2556.4541.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward740.60.8101
All purpose604.90.9918
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7087
Downwind "popa"0.8729
70% up, 30% down "Ilhabela"0.7511
30% up, 70% down "Ilhabela-inverso"0.8162
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Predominantly Upwind653.70.9179
Predominantly Downwind608.10.9867
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low740.90.8098
Triple Number All Purpose Medium601.40.9976
Triple Number All Purpose High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Predominantly Upwind653.70.9179
Predominantly Downwind608.10.9867
Predominantly Upwind Low809.90.7408
Predominantly Upwind Medium680.00.8823
Predominantly Upwind High660.20.9088
Predominantly Downwind Low821.80.7301
Predominantly Downwind Medium602.40.9960
Predominantly Downwind High507.51.1823
Chicago-Mac Upwind0.9028
Chicago-Mac All Purpose0.9341
Chicago-Mac Downwind0.9697
Bayview-Mac Cove Island0.8863
Bayview-Mac Shore0.8924
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching573.11.0470
Predominantly Reaching Low677.30.8858
Predominantly Reaching Medium567.41.0575
Predominantly Reaching High513.01.1697
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1024.80.5855
5-Band Low / Medium877.50.6838
5-Band Medium725.70.8268
5-Band Medium / High667.90.8984
5-Band High648.70.9249
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance656.2
Triple Number Coastal/Long Distance Low740.9
Triple Number Coastal/Long Distance Medium601.4
Triple Number Coastal/Long Distance High553.9
Triple Number Windward/Leeward Low947.7
Triple Number Windward/Leeward Medium736.0
Triple Number Windward/Leeward High661.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium0.9976
Triple Number Coastal/Long Distance High1.0833
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low740.9
Triple Number Coastal/Long Distance Medium601.4
Triple Number Coastal/Long Distance High553.9
Triple Number Windward/Leeward Low947.7
Triple Number Windward/Leeward Medium736.0
Triple Number Windward/Leeward High661.5
Predominantly Upwind653.7
Predominantly Downwind608.1
Predominantly Reaching584.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium0.9976
Triple Number Coastal/Long Distance High1.0833
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9070
Coastal/Long Distance0.9143
Predominantly Upwind0.9179
Predominantly Downwind0.9867
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8098
Tretall Distanseseilas Mellomvind0.9976
Tretall Distanseseilas Mye vind1.0833
Tretall Pølsebane Lite vind0.6331
Tretall Pølsebane Mellomvind0.8152
Tretall Pølsebane Mye vind0.9070
Distanseseilas ett tall (OSN 8-16kn)0.9143
Distanseseilas ett tall (APH 6-20kn)0.9918
Enkeltall Motvind0.9179
Enkeltall Medvind0.9867
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Coastal/Long Distance656.20.9143
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind653.70.9179
Predominantly Downwind608.10.9867
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore651.00.9217
Cape Doctor Coastal545.71.0994
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium0.9976
Triple Number Coastal/Long Distance High1.0833
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9070
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8098
Triple Number Coastal/Long Distance Medium0.9976
Triple Number Coastal/Long Distance High1.0833
Triple Number Windward/Leeward Low0.6331
Triple Number Windward/Leeward Medium0.8152
Triple Number Windward/Leeward High0.9070
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Predominantly Upwind653.70.9179
Predominantly Downwind608.10.9867
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance656.20.9143
Triple Number Coastal/Long Distance Low740.90.8098
Triple Number Coastal/Long Distance Medium601.40.9976
Triple Number Coastal/Long Distance High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1041.3808.3694.3628.0590.5560.7513.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low740.90.8098
Triple Number All Purpose Medium601.40.9976
Triple Number All Purpose High553.91.0833
Triple Number Windward/Leeward Low947.70.6331
Triple Number Windward/Leeward Medium736.00.8152
Triple Number Windward/Leeward High661.50.9070
Predominantly Upwind653.70.9179
Predominantly Downwind608.10.9867
Predominantly Upwind Low809.90.7408
Predominantly Upwind Medium680.00.8823
Predominantly Upwind High660.20.9088
Predominantly Downwind Low821.80.7301
Predominantly Downwind Medium602.40.9960
Predominantly Downwind High507.51.1823
Chicago-Mac Upwind0.9028
Chicago-Mac All Purpose0.9341
Chicago-Mac Downwind0.9697
Bayview-Mac Cove Island0.8863
Bayview-Mac Shore0.8924
Harvest Moon Regatta525.91.1409
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy651.80.9206
San Francisco Bay Medium727.60.8246
Predominantly Reaching573.11.0470
Predominantly Reaching Low677.30.8858
Predominantly Reaching Medium567.41.0575
Predominantly Reaching High513.01.1697
Windward/Leeward 60-40 Low946.90.6336
Windward/Leeward 60-40 Medium763.60.7858
Windward/Leeward 60-40 High709.40.8458
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1024.80.5855
5-Band Low / Medium877.50.6838
5-Band Medium725.70.8268
5-Band Medium / High667.90.8984
5-Band High648.70.9249
ORC Ref  03440002JCFIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Blåtann

NOR 3567

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-102 Mk IMeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.990Max. Beam3.346Draft1.888Displacement3,846Wetted area19.79IMS L8.018LSM07.761Acc. length9.990Sink (kg/mm) 14.24
VCGD0.000VCGM0.063RM Rated (kg·m) 78.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0057
PSD0.030PHD0.080PHL0.160
PSA16.0°ESL0.670
ST10.030ST20.100ST30.100
ST40.100ST50.100
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders2Rotating mastNo
P12.830IG11.750ISP11.750MDT10.110MDL10.150MDT20.080MDL20.080TL2.780MW0.150GO0.150
E4.360J3.380BAS1.650FSD0.030SFJ0.000SPL3.420WPLTPS0.000BDMWT109.00MCG4.300
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date01/01/2015MeasurerComment
SFFP0.637FFMFF1.021LCFcl5.175SG1.0000
SAFP8.777FAMFA0.954LCFsh5.426HBI0.998
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002JCFIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Blåtann

NOR 3567

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2021042613340.000.000.000.000.0034.3326/04/2021FORENKLET
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2021042613340.000.000.000.000.005.0211.57NoNo 29.5626/04/2021FORENKLET
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1-20210426133511.6311.6311.636.200.0060.0026/04/2021FORENKLET
ORC Ref  03440002JCFIssued on 26/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org