Club
Certificate
2023

Boat

Mantra

NOR 11124

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 Angles43.2°41.2°39.9°38.4°37.2°36.6°36.9°
Beat VMG3.364.194.825.325.625.755.85
52°5.156.297.107.547.837.988.10
60°5.576.707.437.808.018.188.34
75°5.987.097.748.118.348.488.72
90°6.037.177.848.248.568.839.17
110°5.616.787.578.068.458.839.53
120°5.176.357.307.908.328.719.49
135°4.465.696.707.477.988.389.15
150°3.764.895.866.667.277.748.39
Run VMG3.254.235.075.776.306.897.88
Gybe Angles144.8°146.0°146.9°146.9°148.0°179.3°179.9°

APH: 545.3

CDL: 10.731

GPH: 619.4

CertNo: 18707

BOAT
Class42 Custom CruiserDesignerAndrej ArminskiBuilderArminskiAge date01/1995Series date01/1995Offset fileNOR11124.offData file18707
HULL
Length Overall12.704 mMaximum Beam4.040 mDraft2.483 mDisplacement9,487 kgDLR6.1243IMS DivisionCruiser/RacerDynamic Allowance0.340%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameterm
CREW
Maximum weight847 kgMinimum weight636 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail47.7348.05Headsail Luffed32.2032.20Headsail Flying61.2961.29SymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail15.64Storm Jib12.97Heavy Weather Jib35.00
SAIL LIMITS
Headsails6  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  03440002LNDIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Mantra

NOR 11124

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 VMG1070.8859.9746.6676.8641.1626.4615.0
52°699.7571.9507.3477.3459.6451.1444.4
60°646.0537.4484.6461.4449.5440.0431.9
75°602.4507.7465.0444.0431.4424.7412.6
90°597.0502.1459.2436.9420.5407.7392.7
110°641.9531.0475.3446.7425.9407.9377.7
120°696.3566.7493.4455.7432.7413.2379.3
135°806.3632.2537.3481.7450.9429.8393.6
150°958.5736.5614.7540.4495.2465.3429.0
Run VMG1106.8850.4709.8624.0571.8522.2456.9
Selected Courses
Windward / Leeward1088.8855.1728.2650.4606.5574.3535.9
All purpose817.8655.8570.4521.2492.6473.9449.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward686.20.8743
All purpose545.31.1004
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8021
Downwind "popa"0.8674
70% up, 30% down "Ilhabela"0.8206
30% up, 70% down "Ilhabela-inverso"0.8467
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Predominantly Upwind582.31.0304
Predominantly Downwind572.21.0486
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low736.80.8143
Triple Number All Purpose Medium541.61.1078
Triple Number All Purpose High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Predominantly Upwind582.31.0304
Predominantly Downwind572.21.0486
Predominantly Upwind Low816.00.7353
Predominantly Upwind Medium592.41.0128
Predominantly Upwind High529.51.1332
Predominantly Downwind Low833.20.7201
Predominantly Downwind Medium576.81.0403
Predominantly Downwind High468.71.2800
Chicago-Mac Upwind1.0079
Chicago-Mac All Purpose1.0159
Chicago-Mac Downwind1.0262
Bayview-Mac Cove Island0.9350
Bayview-Mac Shore0.9527
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching514.01.1673
Predominantly Reaching Low661.70.9068
Predominantly Reaching Medium512.21.1714
Predominantly Reaching High439.01.3667
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1070.80.5603
5-Band Low / Medium877.90.6835
5-Band Medium666.80.8998
5-Band Medium / High579.71.0350
5-Band High542.51.1059
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance599.6
Triple Number Coastal/Long Distance Low736.8
Triple Number Coastal/Long Distance Medium541.6
Triple Number Coastal/Long Distance High469.3
Triple Number Windward/Leeward Low972.0
Triple Number Windward/Leeward Medium682.4
Triple Number Windward/Leeward High568.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8143
Triple Number Coastal/Long Distance Medium1.1078
Triple Number Coastal/Long Distance High1.2784
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8792
Triple Number Windward/Leeward High1.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low736.8
Triple Number Coastal/Long Distance Medium541.6
Triple Number Coastal/Long Distance High469.3
Triple Number Windward/Leeward Low972.0
Triple Number Windward/Leeward Medium682.4
Triple Number Windward/Leeward High568.0
Predominantly Upwind582.3
Predominantly Downwind572.2
Predominantly Reaching534.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8143
Triple Number Coastal/Long Distance Medium1.1078
Triple Number Coastal/Long Distance High1.2784
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8792
Triple Number Windward/Leeward High1.0564
Coastal/Long Distance1.0007
Predominantly Upwind1.0304
Predominantly Downwind1.0486
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8143
Tretall Distanseseilas Mellomvind1.1078
Tretall Distanseseilas Mye vind1.2784
Tretall Pølsebane Lite vind0.6173
Tretall Pølsebane Mellomvind0.8792
Tretall Pølsebane Mye vind1.0564
Distanseseilas ett tall (OSN 8-16kn)1.0007
Distanseseilas ett tall (APH 6-20kn)1.1004
Enkeltall Motvind1.0304
Enkeltall Medvind1.0486
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Coastal/Long Distance599.61.0007
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind582.31.0304
Predominantly Downwind572.21.0486
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore547.41.0960
Cape Doctor Coastal456.71.3139
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8143
Triple Number Coastal/Long Distance Medium1.1078
Triple Number Coastal/Long Distance High1.2784
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8792
Triple Number Windward/Leeward High1.0564
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8143
Triple Number Coastal/Long Distance Medium1.1078
Triple Number Coastal/Long Distance High1.2784
Triple Number Windward/Leeward Low0.6173
Triple Number Windward/Leeward Medium0.8792
Triple Number Windward/Leeward High1.0564
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Predominantly Upwind582.31.0304
Predominantly Downwind572.21.0486
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance599.61.0007
Triple Number Coastal/Long Distance Low736.80.8143
Triple Number Coastal/Long Distance Medium541.61.1078
Triple Number Coastal/Long Distance High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1090.6801.2650.2558.9513.0479.1431.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low736.80.8143
Triple Number All Purpose Medium541.61.1078
Triple Number All Purpose High469.31.2784
Triple Number Windward/Leeward Low972.00.6173
Triple Number Windward/Leeward Medium682.40.8792
Triple Number Windward/Leeward High568.01.0564
Predominantly Upwind582.31.0304
Predominantly Downwind572.21.0486
Predominantly Upwind Low816.00.7353
Predominantly Upwind Medium592.41.0128
Predominantly Upwind High529.51.1332
Predominantly Downwind Low833.20.7201
Predominantly Downwind Medium576.81.0403
Predominantly Downwind High468.71.2800
Chicago-Mac Upwind1.0079
Chicago-Mac All Purpose1.0159
Chicago-Mac Downwind1.0262
Bayview-Mac Cove Island0.9350
Bayview-Mac Shore0.9527
Harvest Moon Regatta470.01.2767
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy553.41.0843
San Francisco Bay Medium672.30.8924
Predominantly Reaching514.01.1673
Predominantly Reaching Low661.70.9068
Predominantly Reaching Medium512.21.1714
Predominantly Reaching High439.01.3667
Windward/Leeward 60-40 Low970.60.6181
Windward/Leeward 60-40 Medium690.60.8687
Windward/Leeward 60-40 High587.61.0211
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1070.80.5603
5-Band Low / Medium877.90.6835
5-Band Medium666.80.8998
5-Band Medium / High579.71.0350
5-Band High542.51.1059
ORC Ref  03440002LNDIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Mantra

NOR 11124

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class42 Custom CruiserMeasurement01/05/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.704Max. Beam4.040Draft2.483Displacement9,487Wetted area37.70IMS L11.725LSM011.570Acc. length12.704Sink (kg/mm) 27.87
VCGD0.065VCGM0.103RM Rated (kg·m) 256.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRDPBWPIPA0.0040
EDL2.000ST10.050ST20.180
ST30.180ST40.112ST50.300
RIG
Forestay tensionInner stayCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreadersRotating mastNo
P16.550IG16.100ISP16.200MDT10.150MDL10.220MDT2MDL2TLTaperMWGO
E5.400J4.400BAS1.350FSDFoilSFJSPL4.420WPLTPS4.900BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2013MeasurerComment
SFFP0.262FFMFF1.493LCFcl7.133SG
SAFP12.020FAMFA1.136LCFsh7.408HBI1.289
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002LNDIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Mantra

NOR 11124

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.120.951.682.964.1147.73
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.081.522.554.555.756.5015.40NoYes061.2910.080.561.082.123.214.2515.05NoNo 32.20
ORC Ref  03440002LNDIssued on 15/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org