Club
Certificate
Double Handed
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 Angles41.2°39.4°39.3°39.0°39.3°39.6°41.2°
Beat VMG3.564.074.274.364.404.424.34
52°5.285.886.116.226.296.336.33
60°5.496.056.306.416.496.546.58
75°5.626.186.476.656.776.856.95
90°5.556.166.516.776.977.127.32
110°5.366.166.616.947.197.377.69
120°5.206.066.556.937.287.618.14
135°4.695.656.286.707.107.508.57
150°3.964.965.786.346.737.127.99
Run VMG3.434.305.055.716.236.637.35
Gybe Angles146.0°151.4°155.9°167.6°177.2°179.0°179.0°

APH: 617.4

CDL: 6.727

GPH: 681.2

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 Allowance0.010%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight170 kgMinimum weight120 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  03440002JNTIssued on 27/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 VMG1012.6885.1843.3825.4817.4814.5829.9
52°681.8612.2588.9578.6572.7568.9568.4
60°656.0594.9571.9561.4554.9550.7547.2
75°640.4582.8556.3541.3532.1525.3517.8
90°648.8584.4552.6531.9516.6505.4491.7
110°671.9584.2544.9518.9500.4488.4467.9
120°692.4594.2549.6519.2494.5472.9442.5
135°767.2636.8573.5537.0507.1480.2419.9
150°909.6726.0623.0568.1534.5505.9450.5
Run VMG1050.4837.4712.9631.0577.5543.1489.5
Selected Courses
Windward / Leeward1031.5861.2778.1728.2697.4678.8659.7
All purpose800.6686.4633.4602.9583.4569.5550.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward752.10.7977
All purpose617.40.9718
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6967
Downwind "popa"0.8674
70% up, 30% down "Ilhabela"0.7404
30% up, 70% down "Ilhabela-inverso"0.8080
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Predominantly Upwind667.90.8984
Predominantly Downwind618.00.9709
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low743.50.8070
Triple Number All Purpose Medium615.10.9754
Triple Number All Purpose High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Predominantly Upwind667.90.8984
Predominantly Downwind618.00.9709
Predominantly Upwind Low813.50.7375
Predominantly Upwind Medium696.80.8611
Predominantly Upwind High676.90.8864
Predominantly Downwind Low819.40.7322
Predominantly Downwind Medium612.40.9797
Predominantly Downwind High515.81.1632
Chicago-Mac Upwind0.8841
Chicago-Mac All Purpose0.9174
Chicago-Mac Downwind0.9552
Bayview-Mac Cove Island0.8740
Bayview-Mac Shore0.8782
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching585.71.0244
Predominantly Reaching Low680.70.8815
Predominantly Reaching Medium580.81.0330
Predominantly Reaching High523.21.1468
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1018.40.5892
5-Band Low / Medium880.80.6812
5-Band Medium738.30.8126
5-Band Medium / High682.90.8786
5-Band High663.00.9049
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance668.3
Triple Number Coastal/Long Distance Low743.5
Triple Number Coastal/Long Distance Medium615.1
Triple Number Coastal/Long Distance High565.8
Triple Number Windward/Leeward Low946.4
Triple Number Windward/Leeward Medium748.2
Triple Number Windward/Leeward High676.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8070
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0604
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8019
Triple Number Windward/Leeward High0.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low743.5
Triple Number Coastal/Long Distance Medium615.1
Triple Number Coastal/Long Distance High565.8
Triple Number Windward/Leeward Low946.4
Triple Number Windward/Leeward Medium748.2
Triple Number Windward/Leeward High676.3
Predominantly Upwind667.9
Predominantly Downwind618.0
Predominantly Reaching596.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8070
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0604
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8019
Triple Number Windward/Leeward High0.8872
Coastal/Long Distance0.8978
Predominantly Upwind0.8984
Predominantly Downwind0.9709
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8070
Tretall Distanseseilas Mellomvind0.9754
Tretall Distanseseilas Mye vind1.0604
Tretall Pølsebane Lite vind0.6340
Tretall Pølsebane Mellomvind0.8019
Tretall Pølsebane Mye vind0.8872
Distanseseilas ett tall (OSN 8-16kn)0.8978
Distanseseilas ett tall (APH 6-20kn)0.9718
Enkeltall Motvind0.8984
Enkeltall Medvind0.9709
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Coastal/Long Distance668.30.8978
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind667.90.8984
Predominantly Downwind618.00.9709
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore665.40.9016
Cape Doctor Coastal556.21.0788
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8070
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0604
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8019
Triple Number Windward/Leeward High0.8872
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8070
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0604
Triple Number Windward/Leeward Low0.6340
Triple Number Windward/Leeward Medium0.8019
Triple Number Windward/Leeward High0.8872
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Predominantly Upwind667.90.8984
Predominantly Downwind618.00.9709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.30.8978
Triple Number Coastal/Long Distance Low743.50.8070
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1033.4814.0707.1642.8604.9573.6522.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low743.50.8070
Triple Number All Purpose Medium615.10.9754
Triple Number All Purpose High565.81.0604
Triple Number Windward/Leeward Low946.40.6340
Triple Number Windward/Leeward Medium748.20.8019
Triple Number Windward/Leeward High676.30.8872
Predominantly Upwind667.90.8984
Predominantly Downwind618.00.9709
Predominantly Upwind Low813.50.7375
Predominantly Upwind Medium696.80.8611
Predominantly Upwind High676.90.8864
Predominantly Downwind Low819.40.7322
Predominantly Downwind Medium612.40.9797
Predominantly Downwind High515.81.1632
Chicago-Mac Upwind0.8841
Chicago-Mac All Purpose0.9174
Chicago-Mac Downwind0.9552
Bayview-Mac Cove Island0.8740
Bayview-Mac Shore0.8782
Harvest Moon Regatta537.31.1166
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy665.10.9021
San Francisco Bay Medium739.40.8115
Predominantly Reaching585.71.0244
Predominantly Reaching Low680.70.8815
Predominantly Reaching Medium580.81.0330
Predominantly Reaching High523.21.1468
Windward/Leeward 60-40 Low946.90.6337
Windward/Leeward 60-40 Medium777.50.7717
Windward/Leeward 60-40 High725.50.8270
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1018.40.5892
5-Band Low / Medium880.80.6812
5-Band Medium738.30.8126
5-Band Medium / High682.90.8786
5-Band High663.00.9049
ORC Ref  03440002JNTIssued on 27/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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 L6.908LSM06.506Acc. length8.920Sink (kg/mm) 10.91
VCGD-0.070VCGM0.010RM Rated (kg·m) 49.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0011
PSD0.000PHD0.000PHL0.000
PSA0.0°ESL0.000
ST10.000ST20.000ST30.000
ST40.000ST50.000
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  03440002JNTIssued on 27/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
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  03440002JNTIssued on 27/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org