Club
Certificate
Non Spinnaker
2023

Boat

IVORY

NOR 30

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 Angles40.6°39.0°38.1°37.6°37.2°37.0°37.0°
Beat VMG3.273.854.184.344.434.494.55
52°4.845.535.886.056.146.206.27
60°5.035.696.026.196.286.356.43
75°5.175.806.146.346.476.566.69
90°5.105.786.186.446.636.786.97
110°4.785.596.076.376.616.837.26
120°4.505.365.926.256.516.747.20
135°3.964.855.556.016.316.567.03
150°3.394.325.085.686.096.376.84
Run VMG2.943.794.575.255.786.166.66
Gybe Angles151.1°162.2°179.3°179.9°179.9°179.9°179.9°

APH: 657.7

CDL: 6.621

GPH: 733.5

CertNo: 21704

BOAT
ClassIODDesignerBjarne AasBuilderBjarne AasAge dateSeries date01/1936Offset fileCL_IOD.offData file21704
HULL
Length Overall10.180 mMaximum Beam2.052 mDraft1.530 mDisplacement3,488 kgDLR14.1775IMS DivisionCruiser/RacerDynamic Allowance0.440%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight353 kgMinimum weight265 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.6035.76Headsail Luffed11.3511.35Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail9.83Storm Jib3.69Heavy Weather Jib9.97
SAIL LIMITS
Headsails5  Spinnakers0 * 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  03440002N9TIssued on 31/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

IVORY

NOR 30

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 VMG1099.5935.2861.3830.2812.7801.4791.1
52°744.5651.0612.0595.1586.6580.8574.1
60°715.1633.1597.9581.6573.1567.2560.1
75°697.0621.1586.8568.2556.6548.6537.9
90°706.4622.5582.3559.3543.4531.3516.5
110°753.8643.6593.5565.6544.9527.2495.6
120°799.4671.3608.4575.7553.3534.0499.7
135°910.1742.7648.9599.3570.6549.2512.3
150°1063.3834.0708.9633.6591.4565.2526.6
Run VMG1226.4949.1788.0686.2622.4584.8540.2
Selected Courses
Windward / Leeward1163.0942.1824.6758.2717.5693.1665.6
All purpose898.5751.2677.2637.2613.0596.8574.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward790.90.7587
All purpose657.70.9123
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6850
Downwind "popa"0.7782
70% up, 30% down "Ilhabela"0.7105
30% up, 70% down "Ilhabela-inverso"0.7477
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Predominantly Upwind699.40.8578
Predominantly Downwind675.30.8885
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low824.90.7274
Triple Number All Purpose Medium654.00.9175
Triple Number All Purpose High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Predominantly Upwind699.40.8578
Predominantly Downwind675.30.8885
Predominantly Upwind Low888.30.6754
Predominantly Upwind Medium716.40.8376
Predominantly Upwind High677.40.8857
Predominantly Downwind Low931.30.6443
Predominantly Downwind Medium671.80.8931
Predominantly Downwind High565.61.0608
Chicago-Mac Upwind0.8444
Chicago-Mac All Purpose0.8578
Chicago-Mac Downwind0.8736
Bayview-Mac Cove Island0.8075
Bayview-Mac Shore0.8182
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching629.10.9537
Predominantly Reaching Low760.30.7891
Predominantly Reaching Medium626.20.9581
Predominantly Reaching High561.71.0682
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1145.90.5236
5-Band Low / Medium964.80.6219
5-Band Medium772.30.7769
5-Band Medium / High698.10.8595
5-Band High670.40.8950
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance712.1
Triple Number Coastal/Long Distance Low824.9
Triple Number Coastal/Long Distance Medium654.0
Triple Number Coastal/Long Distance High592.5
Triple Number Windward/Leeward Low1052.6
Triple Number Windward/Leeward Medium785.5
Triple Number Windward/Leeward High688.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7274
Triple Number Coastal/Long Distance Medium0.9175
Triple Number Coastal/Long Distance High1.0126
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7638
Triple Number Windward/Leeward High0.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low824.9
Triple Number Coastal/Long Distance Medium654.0
Triple Number Coastal/Long Distance High592.5
Triple Number Windward/Leeward Low1052.6
Triple Number Windward/Leeward Medium785.5
Triple Number Windward/Leeward High688.9
Predominantly Upwind699.4
Predominantly Downwind675.3
Predominantly Reaching646.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7274
Triple Number Coastal/Long Distance Medium0.9175
Triple Number Coastal/Long Distance High1.0126
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7638
Triple Number Windward/Leeward High0.8709
Coastal/Long Distance0.8426
Predominantly Upwind0.8578
Predominantly Downwind0.8885
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7274
Tretall Distanseseilas Mellomvind0.9175
Tretall Distanseseilas Mye vind1.0126
Tretall Pølsebane Lite vind0.5700
Tretall Pølsebane Mellomvind0.7638
Tretall Pølsebane Mye vind0.8709
Distanseseilas ett tall (OSN 8-16kn)0.8426
Distanseseilas ett tall (APH 6-20kn)0.9123
Enkeltall Motvind0.8578
Enkeltall Medvind0.8885
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Coastal/Long Distance712.10.8426
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind699.40.8578
Predominantly Downwind675.30.8885
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore673.90.8904
Cape Doctor Coastal581.21.0324
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7274
Triple Number Coastal/Long Distance Medium0.9175
Triple Number Coastal/Long Distance High1.0126
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7638
Triple Number Windward/Leeward High0.8709
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7274
Triple Number Coastal/Long Distance Medium0.9175
Triple Number Coastal/Long Distance High1.0126
Triple Number Windward/Leeward Low0.5700
Triple Number Windward/Leeward Medium0.7638
Triple Number Windward/Leeward High0.8709
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Predominantly Upwind699.40.8578
Predominantly Downwind675.30.8885
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.10.8426
Triple Number Coastal/Long Distance Low824.90.7274
Triple Number Coastal/Long Distance Medium654.00.9175
Triple Number Coastal/Long Distance High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1169.3891.8753.3676.5634.7603.5554.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low824.90.7274
Triple Number All Purpose Medium654.00.9175
Triple Number All Purpose High592.51.0126
Triple Number Windward/Leeward Low1052.60.5700
Triple Number Windward/Leeward Medium785.50.7638
Triple Number Windward/Leeward High688.90.8709
Predominantly Upwind699.40.8578
Predominantly Downwind675.30.8885
Predominantly Upwind Low888.30.6754
Predominantly Upwind Medium716.40.8376
Predominantly Upwind High677.40.8857
Predominantly Downwind Low931.30.6443
Predominantly Downwind Medium671.80.8931
Predominantly Downwind High565.61.0608
Chicago-Mac Upwind0.8444
Chicago-Mac All Purpose0.8578
Chicago-Mac Downwind0.8736
Bayview-Mac Cove Island0.8075
Bayview-Mac Shore0.8182
Harvest Moon Regatta581.91.0311
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy683.30.8780
San Francisco Bay Medium783.40.7659
Predominantly Reaching629.10.9537
Predominantly Reaching Low760.30.7891
Predominantly Reaching Medium626.20.9581
Predominantly Reaching High561.71.0682
Windward/Leeward 60-40 Low1045.50.5739
Windward/Leeward 60-40 Medium805.80.7446
Windward/Leeward 60-40 High726.80.8255
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1145.90.5236
5-Band Low / Medium964.80.6219
5-Band Medium772.30.7769
5-Band Medium / High698.10.8595
5-Band High670.40.8950
ORC Ref  03440002N9TIssued on 31/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

IVORY

NOR 30

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIODMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.180Max. Beam2.052Draft1.530Displacement3,488Wetted area16.36IMS L6.773LSM06.265Acc. length6.669Sink (kg/mm) 9.06
VCGD-0.700VCGM-0.548RM Rated (kg·m) 46.4Limit 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/Checkstays1Spreaders2Rotating mastNo
P11.700IG8.590ISP8.810MDT10.108MDL10.151MDT20.080MDL20.100TL2.700MW0.000GO0.000
E4.800J2.580BAS0.900FSD0.000SFJ1.040SPL2.620WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.700Flotation Date01/01/2015MeasurerComment
SFFP0.951FFMFF0.870LCFcl5.161SG0.0000
SAFP9.938FAMFA0.810LCFsh5.256HBI0.774
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002N9TIssued on 31/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

IVORY

NOR 30

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2020061013420.150.001.883.154.2334.6010/06/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2020061013420.000.000.000.000.002.748.14NoNo 11.3510/06/2020
ORC Ref  03440002N9TIssued on 31/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org