Club
Certificate
2023

Boat

Junior

NOR 4711

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 Angles41.7°39.6°38.4°38.1°37.8°38.1°38.8°
Beat VMG3.514.134.434.554.614.654.64
52°5.265.946.256.386.466.516.56
60°5.486.106.396.556.646.716.78
75°5.616.206.536.746.907.017.15
90°5.516.176.546.827.047.237.50
110°5.326.176.647.007.307.577.98
120°5.146.046.556.957.327.688.51
135°4.625.606.266.687.067.468.49
150°3.894.905.746.326.717.077.88
Run VMG3.374.255.015.686.226.617.30
Gybe Angles146.0°151.4°155.0°166.4°177.2°179.0°179.0°

APH: 608.6

CDL: 7.081

GPH: 675.2

CertNo: 4585

BOAT
Class1/2 TON ONE OFFDesignerKjærulfBuilderOlsen BåtbyggeriAge date01/1982Series date01/1982Offset fileHALFTONNER-NOR4711.offData file4585
HULL
Length Overall8.920 mMaximum Beam3.306 mDraft1.625 mDisplacement2,486 kgDLR9.0222IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.340m
CREW
Maximum weight373 kgMinimum weight280 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.3931.18Headsail Luffed25.2125.21Headsail FlyingSymmetric54.5654.56Asymmetric
STORM SAIL AREAS (m²)
Trysail8.69Storm Jib5.65Heavy Weather Jib15.26
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  03440002P09Issued on 23/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Junior

NOR 4711

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 VMG1025.6871.2813.1791.0780.2773.7775.8
52°684.7605.6576.2564.3557.2552.7548.4
60°657.0590.3563.0549.6541.9536.6530.7
75°641.8580.4551.4533.8521.9513.8503.8
90°653.4583.8550.3527.9511.1497.7479.7
110°676.8583.3542.2514.6493.4475.3451.4
120°700.6596.1549.6518.2492.1468.6423.0
135°778.9642.6575.5539.1509.8482.3423.8
150°925.6734.6627.0570.0536.8509.2457.1
Run VMG1068.8847.6718.9634.3579.2544.8493.2
Selected Courses
Windward / Leeward1047.2859.4766.0712.7679.7659.2634.5
All purpose809.9684.8625.7592.9571.9556.1532.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward738.90.8120
All purpose608.60.9858
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7204
Downwind "popa"0.8594
70% up, 30% down "Ilhabela"0.7571
30% up, 70% down "Ilhabela-inverso"0.8124
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind654.50.9167
Predominantly Downwind616.70.9730
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low747.40.8028
Triple Number All Purpose Medium606.20.9897
Triple Number All Purpose High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind654.50.9167
Predominantly Downwind616.70.9730
Predominantly Upwind Low814.90.7363
Predominantly Upwind Medium677.00.8863
Predominantly Upwind High648.60.9250
Predominantly Downwind Low828.00.7247
Predominantly Downwind Medium613.50.9780
Predominantly Downwind High514.81.1654
Chicago-Mac Upwind0.9025
Chicago-Mac All Purpose0.9276
Chicago-Mac Downwind0.9571
Bayview-Mac Cove Island0.8776
Bayview-Mac Shore0.8849
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching580.91.0328
Predominantly Reaching Low684.50.8766
Predominantly Reaching Medium577.01.0399
Predominantly Reaching High515.81.1632
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1032.70.5810
5-Band Low / Medium880.70.6813
5-Band Medium723.80.8290
5-Band Medium / High663.00.9050
5-Band High638.80.9393
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance659.0
Triple Number Coastal/Long Distance Low747.4
Triple Number Coastal/Long Distance Medium606.2
Triple Number Coastal/Long Distance High551.3
Triple Number Windward/Leeward Low953.3
Triple Number Windward/Leeward Medium734.4
Triple Number Windward/Leeward High655.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8028
Triple Number Coastal/Long Distance Medium0.9897
Triple Number Coastal/Long Distance High1.0884
Triple Number Windward/Leeward Low0.6294
Triple Number Windward/Leeward Medium0.8170
Triple Number Windward/Leeward High0.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low747.4
Triple Number Coastal/Long Distance Medium606.2
Triple Number Coastal/Long Distance High551.3
Triple Number Windward/Leeward Low953.3
Triple Number Windward/Leeward Medium734.4
Triple Number Windward/Leeward High655.1
Predominantly Upwind654.5
Predominantly Downwind616.7
Predominantly Reaching593.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8028
Triple Number Coastal/Long Distance Medium0.9897
Triple Number Coastal/Long Distance High1.0884
Triple Number Windward/Leeward Low0.6294
Triple Number Windward/Leeward Medium0.8170
Triple Number Windward/Leeward High0.9159
Coastal/Long Distance0.9105
Predominantly Upwind0.9167
Predominantly Downwind0.9730
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8028
Tretall Distanseseilas Mellomvind0.9897
Tretall Distanseseilas Mye vind1.0884
Tretall Pølsebane Lite vind0.6294
Tretall Pølsebane Mellomvind0.8170
Tretall Pølsebane Mye vind0.9159
Distanseseilas ett tall (OSN 8-16kn)0.9105
Distanseseilas ett tall (APH 6-20kn)0.9858
Enkeltall Motvind0.9167
Enkeltall Medvind0.9730
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Coastal/Long Distance659.00.9105
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind654.50.9167
Predominantly Downwind616.70.9730
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore641.90.9347
Cape Doctor Coastal539.71.1118
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8028
Triple Number Coastal/Long Distance Medium0.9897
Triple Number Coastal/Long Distance High1.0884
Triple Number Windward/Leeward Low0.6294
Triple Number Windward/Leeward Medium0.8170
Triple Number Windward/Leeward High0.9159
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8028
Triple Number Coastal/Long Distance Medium0.9897
Triple Number Coastal/Long Distance High1.0884
Triple Number Windward/Leeward Low0.6294
Triple Number Windward/Leeward Medium0.8170
Triple Number Windward/Leeward High0.9159
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind654.50.9167
Predominantly Downwind616.70.9730
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance659.00.9105
Triple Number Coastal/Long Distance Low747.40.8028
Triple Number Coastal/Long Distance Medium606.20.9897
Triple Number Coastal/Long Distance High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1049.4812.7697.5630.9592.8561.3507.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low747.40.8028
Triple Number All Purpose Medium606.20.9897
Triple Number All Purpose High551.31.0884
Triple Number Windward/Leeward Low953.30.6294
Triple Number Windward/Leeward Medium734.40.8170
Triple Number Windward/Leeward High655.10.9159
Predominantly Upwind654.50.9167
Predominantly Downwind616.70.9730
Predominantly Upwind Low814.90.7363
Predominantly Upwind Medium677.00.8863
Predominantly Upwind High648.60.9250
Predominantly Downwind Low828.00.7247
Predominantly Downwind Medium613.50.9780
Predominantly Downwind High514.81.1654
Chicago-Mac Upwind0.9025
Chicago-Mac All Purpose0.9276
Chicago-Mac Downwind0.9571
Bayview-Mac Cove Island0.8776
Bayview-Mac Shore0.8849
Harvest Moon Regatta532.81.1261
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy644.00.9317
San Francisco Bay Medium726.50.8258
Predominantly Reaching580.91.0328
Predominantly Reaching Low684.50.8766
Predominantly Reaching Medium577.01.0399
Predominantly Reaching High515.81.1632
Windward/Leeward 60-40 Low952.30.6300
Windward/Leeward 60-40 Medium757.50.7920
Windward/Leeward 60-40 High696.20.8618
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1032.70.5810
5-Band Low / Medium880.70.6813
5-Band Medium723.80.8290
5-Band Medium / High663.00.9050
5-Band High638.80.9393
ORC Ref  03440002P09Issued on 23/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Junior

NOR 4711

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class1/2 TON ONE OFFMeasurementHINPlan reviewHull constructionLightCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.920Max. Beam3.306Draft1.625Displacement2,486Wetted area14.90IMS L7.034LSM06.506Acc. length8.920Sink (kg/mm) 10.91
VCGD-0.070VCGM0.010RM Rated (kg·m) 49.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0042
PSD0.025PHD0.064PHL0.175
PSA18.0°ESL0.825
ST10.020ST20.080ST30.098
ST40.050ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders2Rotating mastNo
P11.600IG10.630ISP10.620MDT10.090MDL10.110MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.280J3.170BAS1.420FSDFoilSFJ0.000SPL3.250WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.070Flotation Date01/01/2015MeasurerComment
SFFP0.750FFMFF0.875LCFcl4.622SG0.0000
SAFP7.786FAMFA0.840LCFsh4.891HBI0.838
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002P09Issued on 23/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Junior

NOR 4711

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment315-2005041410010.150.921.712.873.6930.3914/04/2005
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment315-2005041402020.000.000.000.000.004.7410.45NoNo 25.2114/04/20054585-2004012412010.000.000.000.000.004.6010.51NoNo 24.6101/01/1753460-2023041222430.040.591.152.313.524.7610.35NoNo 24.3012/04/2023315-2005041410110.000.000.761.522.283.0410.45NoNo 15.9814/04/2005
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment460-20230412225011.0011.0011.006.005.7654.5612/04/20234585-20040124120210.1610.1610.160.000.0049.5301/01/1753376-20050111120010.0610.0610.060.000.0049.0411/01/2005
ORC Ref  03440002P09Issued on 23/06/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org