Club
Certificate
Non Spinnaker
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 Angles42.7°40.6°38.7°38.2°38.2°38.4°39.6°
Beat VMG3.293.984.394.524.564.584.53
52°4.995.826.226.366.436.476.50
60°5.246.006.376.556.646.716.76
75°5.396.136.526.806.987.107.24
90°5.286.096.536.897.217.477.81
110°4.745.736.336.787.217.648.61
120°4.455.486.166.617.047.498.59
135°3.874.915.736.286.697.108.03
150°3.284.235.075.756.246.607.35
Run VMG2.843.684.525.285.916.357.10
Gybe Angles145.7°174.8°176.6°178.4°179.3°179.3°179.8°

APH: 632.8

CDL: 7.095

GPH: 711.3

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 Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight350 kgMinimum weight263 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.3022.00Headsail Luffed13.8113.81Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.10Storm Jib4.57Heavy Weather Jib12.34
SAIL LIMITS
Headsails5  Spinnakers0 * No 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  03440002E9DIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1094.1905.2820.4797.3788.9785.4794.1
52°720.7618.8579.2566.0559.7556.0554.2
60°686.5599.9564.9549.4541.8536.8532.4
75°667.5587.7552.5529.5515.5506.9497.1
90°681.2591.4551.1522.1499.4482.1460.8
110°760.0628.1568.3531.3499.4471.1418.3
120°808.2657.3584.3544.8511.3480.6419.3
135°929.6733.3628.6573.5538.3506.9448.1
150°1097.3851.0710.1625.6577.1545.2490.0
Run VMG1267.1977.9795.9681.9609.6567.3507.1
Selected Courses
Windward / Leeward1180.6941.6808.1739.6699.3676.4650.6
All purpose899.6736.7653.6610.6583.9565.3538.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward776.70.7725
All purpose632.80.9482
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7017
Downwind "popa"0.7768
70% up, 30% down "Ilhabela"0.7227
30% up, 70% down "Ilhabela-inverso"0.7526
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Predominantly Upwind672.90.8916
Predominantly Downwind656.40.9141
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.20.7333
Triple Number All Purpose Medium628.80.9542
Triple Number All Purpose High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Predominantly Upwind672.90.8916
Predominantly Downwind656.40.9141
Predominantly Upwind Low874.10.6864
Predominantly Upwind Medium685.10.8758
Predominantly Upwind High655.60.9152
Predominantly Downwind Low941.20.6375
Predominantly Downwind Medium657.60.9124
Predominantly Downwind High531.41.1291
Chicago-Mac Upwind0.8776
Chicago-Mac All Purpose0.8869
Chicago-Mac Downwind0.8969
Bayview-Mac Cove Island0.8300
Bayview-Mac Shore0.8457
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching600.10.9999
Predominantly Reaching Low746.60.8036
Predominantly Reaching Medium598.51.0024
Predominantly Reaching High521.91.1497
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.20.5163
5-Band Low / Medium964.70.6220
5-Band Medium755.70.7940
5-Band Medium / High681.20.8809
5-Band High655.00.9160
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance690.7
Triple Number Coastal/Long Distance Low818.2
Triple Number Coastal/Long Distance Medium628.8
Triple Number Coastal/Long Distance High559.8
Triple Number Windward/Leeward Low1061.0
Triple Number Windward/Leeward Medium769.2
Triple Number Windward/Leeward High672.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9542
Triple Number Coastal/Long Distance High1.0718
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7800
Triple Number Windward/Leeward High0.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low818.2
Triple Number Coastal/Long Distance Medium628.8
Triple Number Coastal/Long Distance High559.8
Triple Number Windward/Leeward Low1061.0
Triple Number Windward/Leeward Medium769.2
Triple Number Windward/Leeward High672.4
Predominantly Upwind672.9
Predominantly Downwind656.4
Predominantly Reaching620.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9542
Triple Number Coastal/Long Distance High1.0718
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7800
Triple Number Windward/Leeward High0.8923
Coastal/Long Distance0.8687
Predominantly Upwind0.8916
Predominantly Downwind0.9141
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7333
Tretall Distanseseilas Mellomvind0.9542
Tretall Distanseseilas Mye vind1.0718
Tretall Pølsebane Lite vind0.5655
Tretall Pølsebane Mellomvind0.7800
Tretall Pølsebane Mye vind0.8923
Distanseseilas ett tall (OSN 8-16kn)0.8687
Distanseseilas ett tall (APH 6-20kn)0.9482
Enkeltall Motvind0.8916
Enkeltall Medvind0.9141
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Coastal/Long Distance690.70.8687
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind672.90.8916
Predominantly Downwind656.40.9141
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore658.30.9114
Cape Doctor Coastal546.41.0981
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9542
Triple Number Coastal/Long Distance High1.0718
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7800
Triple Number Windward/Leeward High0.8923
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7333
Triple Number Coastal/Long Distance Medium0.9542
Triple Number Coastal/Long Distance High1.0718
Triple Number Windward/Leeward Low0.5655
Triple Number Windward/Leeward Medium0.7800
Triple Number Windward/Leeward High0.8923
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Predominantly Upwind672.90.8916
Predominantly Downwind656.40.9141
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance690.70.8687
Triple Number Coastal/Long Distance Low818.20.7333
Triple Number Coastal/Long Distance Medium628.80.9542
Triple Number Coastal/Long Distance High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.3888.2733.3651.6606.7571.4509.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low818.20.7333
Triple Number All Purpose Medium628.80.9542
Triple Number All Purpose High559.81.0718
Triple Number Windward/Leeward Low1061.00.5655
Triple Number Windward/Leeward Medium769.20.7800
Triple Number Windward/Leeward High672.40.8923
Predominantly Upwind672.90.8916
Predominantly Downwind656.40.9141
Predominantly Upwind Low874.10.6864
Predominantly Upwind Medium685.10.8758
Predominantly Upwind High655.60.9152
Predominantly Downwind Low941.20.6375
Predominantly Downwind Medium657.60.9124
Predominantly Downwind High531.41.1291
Chicago-Mac Upwind0.8776
Chicago-Mac All Purpose0.8869
Chicago-Mac Downwind0.8969
Bayview-Mac Cove Island0.8300
Bayview-Mac Shore0.8457
Harvest Moon Regatta546.11.0986
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy662.90.9052
San Francisco Bay Medium765.90.7834
Predominantly Reaching600.10.9999
Predominantly Reaching Low746.60.8036
Predominantly Reaching Medium598.51.0024
Predominantly Reaching High521.91.1497
Windward/Leeward 60-40 Low1048.80.5721
Windward/Leeward 60-40 Medium783.80.7655
Windward/Leeward 60-40 High712.30.8424
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.20.5163
5-Band Low / Medium964.70.6220
5-Band Medium755.70.7940
5-Band Medium / High681.20.8809
5-Band High655.00.9160
ORC Ref  03440002E9DIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L7.175LSM06.831Acc. 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  03440002E9DIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002E9DIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.01 | © ORC | www.orc.org