Club
Certificate
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 VMG3.293.974.394.524.574.594.54
52°4.995.816.216.366.436.486.50
60°5.246.006.376.556.656.716.76
75°5.396.126.516.796.987.107.24
90°5.496.266.536.897.207.467.81
110°5.606.446.927.257.547.828.40
120°5.476.396.967.467.938.349.28
135°4.966.036.697.287.928.7211.19
150°4.245.316.106.647.087.6110.10
Run VMG3.674.605.295.756.136.598.74
Gybe Angles144.8°148.7°149.6°149.6°147.5°144.4°141.7°

APH: 596.9

CDL: 7.100

GPH: 663.9

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 weight350 kgMinimum weight263 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  03440002E5QIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
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 VMG1095.2905.9820.5797.0788.4784.7792.9
52°721.5619.3579.4565.9559.6555.9553.9
60°687.2600.4565.2549.4541.8536.8532.3
75°668.2588.1552.8529.8515.7507.0497.2
90°655.9575.4551.4522.6499.8482.5461.1
110°642.4558.9520.4496.6477.6460.1428.6
120°657.6563.7517.4482.8454.1431.7388.0
135°725.2597.2538.4494.6454.4412.7321.7
150°849.6677.4589.8542.4508.7473.1356.5
Run VMG981.0782.2681.1626.3587.5546.3411.7
Selected Courses
Windward / Leeward1038.1844.1750.8711.6687.9665.5602.3
All purpose804.8673.1613.2582.7561.9543.5502.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward734.20.8172
All purpose596.91.0052
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7018
Downwind "popa"0.9099
70% up, 30% down "Ilhabela"0.7535
30% up, 70% down "Ilhabela-inverso"0.8356
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Predominantly Upwind652.60.9194
Predominantly Downwind592.41.0129
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low739.00.8119
Triple Number All Purpose Medium595.21.0080
Triple Number All Purpose High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Predominantly Upwind652.60.9194
Predominantly Downwind592.41.0129
Predominantly Upwind Low831.50.7216
Predominantly Upwind Medium680.60.8816
Predominantly Upwind High650.80.9220
Predominantly Downwind Low788.90.7605
Predominantly Downwind Medium588.51.0195
Predominantly Downwind High474.71.2641
Chicago-Mac Upwind0.9050
Chicago-Mac All Purpose0.9474
Chicago-Mac Downwind0.9976
Bayview-Mac Cove Island0.8878
Bayview-Mac Shore0.8903
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching563.81.0641
Predominantly Reaching Low669.90.8957
Predominantly Reaching Medium559.81.0718
Predominantly Reaching High485.01.2372
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1023.20.5864
5-Band Low / Medium868.20.6911
5-Band Medium721.20.8319
5-Band Medium / High662.40.9058
5-Band High613.30.9784
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance646.9
Triple Number Coastal/Long Distance Low739.0
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High532.7
Triple Number Windward/Leeward Low941.0
Triple Number Windward/Leeward Medium729.7
Triple Number Windward/Leeward High647.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8119
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6376
Triple Number Windward/Leeward Medium0.8222
Triple Number Windward/Leeward High0.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low739.0
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High532.7
Triple Number Windward/Leeward Low941.0
Triple Number Windward/Leeward Medium729.7
Triple Number Windward/Leeward High647.4
Predominantly Upwind652.6
Predominantly Downwind592.4
Predominantly Reaching572.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8119
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6376
Triple Number Windward/Leeward Medium0.8222
Triple Number Windward/Leeward High0.9268
Coastal/Long Distance0.9275
Predominantly Upwind0.9194
Predominantly Downwind1.0129
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8119
Tretall Distanseseilas Mellomvind1.0080
Tretall Distanseseilas Mye vind1.1263
Tretall Pølsebane Lite vind0.6376
Tretall Pølsebane Mellomvind0.8222
Tretall Pølsebane Mye vind0.9268
Distanseseilas ett tall (OSN 8-16kn)0.9275
Distanseseilas ett tall (APH 6-20kn)1.0052
Enkeltall Motvind0.9194
Enkeltall Medvind1.0129
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Coastal/Long Distance646.90.9275
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind652.60.9194
Predominantly Downwind592.41.0129
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore621.30.9658
Cape Doctor Coastal514.71.1657
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8119
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6376
Triple Number Windward/Leeward Medium0.8222
Triple Number Windward/Leeward High0.9268
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8119
Triple Number Coastal/Long Distance Medium1.0080
Triple Number Coastal/Long Distance High1.1263
Triple Number Windward/Leeward Low0.6376
Triple Number Windward/Leeward Medium0.8222
Triple Number Windward/Leeward High0.9268
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Predominantly Upwind652.60.9194
Predominantly Downwind592.41.0129
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance646.90.9275
Triple Number Coastal/Long Distance Low739.00.8119
Triple Number Coastal/Long Distance Medium595.21.0080
Triple Number Coastal/Long Distance High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.4796.1683.1621.5583.6548.6478.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low739.00.8119
Triple Number All Purpose Medium595.21.0080
Triple Number All Purpose High532.71.1263
Triple Number Windward/Leeward Low941.00.6376
Triple Number Windward/Leeward Medium729.70.8222
Triple Number Windward/Leeward High647.40.9268
Predominantly Upwind652.60.9194
Predominantly Downwind592.41.0129
Predominantly Upwind Low831.50.7216
Predominantly Upwind Medium680.60.8816
Predominantly Upwind High650.80.9220
Predominantly Downwind Low788.90.7605
Predominantly Downwind Medium588.51.0195
Predominantly Downwind High474.71.2641
Chicago-Mac Upwind0.9050
Chicago-Mac All Purpose0.9474
Chicago-Mac Downwind0.9976
Bayview-Mac Cove Island0.8878
Bayview-Mac Shore0.8903
Harvest Moon Regatta511.31.1734
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy629.50.9531
San Francisco Bay Medium714.80.8394
Predominantly Reaching563.81.0641
Predominantly Reaching Low669.90.8957
Predominantly Reaching Medium559.81.0718
Predominantly Reaching High485.01.2372
Windward/Leeward 60-40 Low953.00.6296
Windward/Leeward 60-40 Medium757.70.7919
Windward/Leeward 60-40 High695.50.8627
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1023.20.5864
5-Band Low / Medium868.20.6911
5-Band Medium721.20.8319
5-Band Medium / High662.40.9058
5-Band High613.30.9784
ORC Ref  03440002E5QIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
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 L7.178LSM06.831Acc. 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  03440002E5QIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
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  03440002E5QIssued on 20/03/2023Valid until 31/03/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org