Club
Certificate
Double Handed
2023

Boat

Jilbo

NOR 477

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 Angles42.4°40.6°40.0°40.2°40.8°41.4°43.0°
Beat VMG3.343.944.144.194.194.164.03
52°5.045.796.036.126.156.176.08
60°5.285.996.246.346.406.426.41
75°5.456.146.466.656.776.856.92
90°5.466.126.546.857.107.287.49
110°5.626.396.747.027.287.538.09
120°5.536.396.907.307.658.008.69
135°5.056.106.767.378.048.8110.31
150°4.305.396.176.757.267.9210.42
Run VMG3.734.675.355.846.296.869.02
Gybe Angles144.8°148.9°150.1°149.2°146.8°144.8°144.6°

APH: 612.0

CDL: 6.534

GPH: 675.1

CertNo: 667217

BOAT
ClassJ/80DesignerRod JohnstoneBuilderJ-BoatsAge date01/2002Series date01/1992Offset fileJ80.OD+.offData file667217
HULL
Length Overall8.032 mMaximum Beam2.488 mDraft1.501 mDisplacement1,466 kgDLR4.5987IMS DivisionSportboatDynamic Allowance0.100%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight150 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.3022.00Headsail Luffed13.8113.81Headsail FlyingSymmetricAsymmetric63.6063.60 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.10Storm Jib4.57Heavy Weather Jib12.34
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  03440002E7IIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Jilbo

NOR 477

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 VMG1078.0914.5869.9859.4859.9865.1894.0
52°714.8622.3597.4588.7585.2583.9592.5
60°682.1601.0576.9567.7562.9560.3562.0
75°660.9586.5557.0541.2531.9525.6520.2
90°659.7588.2550.4525.5507.4494.8480.4
110°640.1563.6533.8512.6494.4478.2445.0
120°651.1563.3521.5493.0470.7450.1414.3
135°713.6590.6532.3488.4447.5408.6349.0
150°836.4668.1583.4533.6495.9454.6345.5
Run VMG965.8771.4673.4616.1572.6524.9399.0
Selected Courses
Windward / Leeward1021.9843.0771.6737.8716.3695.0646.5
All purpose795.4674.2625.8599.9581.8565.5536.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward756.10.7935
All purpose612.00.9804
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6624
Downwind "popa"0.9285
70% up, 30% down "Ilhabela"0.7247
30% up, 70% down "Ilhabela-inverso"0.8286
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Predominantly Upwind674.30.8898
Predominantly Downwind592.91.0120
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low734.80.8166
Triple Number All Purpose Medium610.20.9833
Triple Number All Purpose High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Predominantly Upwind674.30.8898
Predominantly Downwind592.91.0120
Predominantly Upwind Low828.20.7245
Predominantly Upwind Medium713.30.8412
Predominantly Upwind High703.70.8527
Predominantly Downwind Low781.00.7683
Predominantly Downwind Medium584.21.0271
Predominantly Downwind High474.41.2647
Chicago-Mac Upwind0.8747
Chicago-Mac All Purpose0.9305
Chicago-Mac Downwind0.9953
Bayview-Mac Cove Island0.8804
Bayview-Mac Shore0.8790
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching571.61.0496
Predominantly Reaching Low668.70.8973
Predominantly Reaching Medium564.91.0621
Predominantly Reaching High500.21.1996
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1008.20.5951
5-Band Low / Medium869.30.6902
5-Band Medium745.00.8054
5-Band Medium / High694.00.8646
5-Band High654.90.9162
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance662.3
Triple Number Coastal/Long Distance Low734.8
Triple Number Coastal/Long Distance Medium610.2
Triple Number Coastal/Long Distance High558.5
Triple Number Windward/Leeward Low932.4
Triple Number Windward/Leeward Medium752.4
Triple Number Windward/Leeward High682.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8166
Triple Number Coastal/Long Distance Medium0.9833
Triple Number Coastal/Long Distance High1.0743
Triple Number Windward/Leeward Low0.6435
Triple Number Windward/Leeward Medium0.7974
Triple Number Windward/Leeward High0.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low734.8
Triple Number Coastal/Long Distance Medium610.2
Triple Number Coastal/Long Distance High558.5
Triple Number Windward/Leeward Low932.4
Triple Number Windward/Leeward Medium752.4
Triple Number Windward/Leeward High682.1
Predominantly Upwind674.3
Predominantly Downwind592.9
Predominantly Reaching577.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8166
Triple Number Coastal/Long Distance Medium0.9833
Triple Number Coastal/Long Distance High1.0743
Triple Number Windward/Leeward Low0.6435
Triple Number Windward/Leeward Medium0.7974
Triple Number Windward/Leeward High0.8796
Coastal/Long Distance0.9059
Predominantly Upwind0.8898
Predominantly Downwind1.0120
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8166
Tretall Distanseseilas Mellomvind0.9833
Tretall Distanseseilas Mye vind1.0743
Tretall Pølsebane Lite vind0.6435
Tretall Pølsebane Mellomvind0.7974
Tretall Pølsebane Mye vind0.8796
Distanseseilas ett tall (OSN 8-16kn)0.9059
Distanseseilas ett tall (APH 6-20kn)0.9804
Enkeltall Motvind0.8898
Enkeltall Medvind1.0120
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Coastal/Long Distance662.30.9059
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind674.30.8898
Predominantly Downwind592.91.0120
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore661.10.9076
Cape Doctor Coastal544.81.1013
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8166
Triple Number Coastal/Long Distance Medium0.9833
Triple Number Coastal/Long Distance High1.0743
Triple Number Windward/Leeward Low0.6435
Triple Number Windward/Leeward Medium0.7974
Triple Number Windward/Leeward High0.8796
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8166
Triple Number Coastal/Long Distance Medium0.9833
Triple Number Coastal/Long Distance High1.0743
Triple Number Windward/Leeward Low0.6435
Triple Number Windward/Leeward Medium0.7974
Triple Number Windward/Leeward High0.8796
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Predominantly Upwind674.30.8898
Predominantly Downwind592.91.0120
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance662.30.9059
Triple Number Coastal/Long Distance Low734.80.8166
Triple Number Coastal/Long Distance Medium610.20.9833
Triple Number Coastal/Long Distance High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1016.3795.4699.1641.9605.2570.0504.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low734.80.8166
Triple Number All Purpose Medium610.20.9833
Triple Number All Purpose High558.51.0743
Triple Number Windward/Leeward Low932.40.6435
Triple Number Windward/Leeward Medium752.40.7974
Triple Number Windward/Leeward High682.10.8796
Predominantly Upwind674.30.8898
Predominantly Downwind592.91.0120
Predominantly Upwind Low828.20.7245
Predominantly Upwind Medium713.30.8412
Predominantly Upwind High703.70.8527
Predominantly Downwind Low781.00.7683
Predominantly Downwind Medium584.21.0271
Predominantly Downwind High474.41.2647
Chicago-Mac Upwind0.8747
Chicago-Mac All Purpose0.9305
Chicago-Mac Downwind0.9953
Bayview-Mac Cove Island0.8804
Bayview-Mac Shore0.8790
Harvest Moon Regatta518.11.1580
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy667.10.8994
San Francisco Bay Medium735.90.8154
Predominantly Reaching571.61.0496
Predominantly Reaching Low668.70.8973
Predominantly Reaching Medium564.91.0621
Predominantly Reaching High500.21.1996
Windward/Leeward 60-40 Low945.20.6348
Windward/Leeward 60-40 Medium791.60.7580
Windward/Leeward 60-40 High747.60.8025
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1008.20.5951
5-Band Low / Medium869.30.6902
5-Band Medium745.00.8054
5-Band Medium / High694.00.8646
5-Band High654.90.9162
ORC Ref  03440002E7IIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Jilbo

NOR 477

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ/80MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.032Max. Beam2.488Draft1.501Displacement1,466Wetted area11.88IMS L7.030LSM06.831Acc. length8.032Sink (kg/mm) 9.06
VCGD-0.150VCGM-0.080RM Rated (kg·m) 27.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P9.140IG9.560ISP10.070MDT10.080MDL10.130MDT20.063MDL20.100TL0.380MW0.130GO0.130
E3.810J2.900BAS1.300FSD0.025SFJ0.000SPL0.000WPLTPS4.800BDMWT51.70MCG3.700
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.150Flotation Date01/01/2015MeasurerComment
SFFP0.177FFMFF0.870LCFcl4.253SG0.0000
SAFP8.015FAMFA0.627LCFsh4.429HBI0.735
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002E7IIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Jilbo

NOR 477

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment336-2021031115250.280.881.532.523.2421.3011/03/2021Luff 8,99 Leech 9,64
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment441-2020102214380.080.410.781.472.242.919.27NoNo 13.8122/10/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment441-20201022143912.109.5510.837.047.0999%63.6022/10/2020
ORC Ref  03440002E7IIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org