Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 1458

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 Angles44.2°42.3°40.9°40.0°39.9°39.6°39.6°
Beat VMG2.733.323.764.074.244.334.36
52°4.195.005.545.896.106.206.26
60°4.415.225.756.076.276.386.47
75°4.525.355.906.236.446.606.78
90°4.425.255.866.246.486.676.98
110°3.994.935.666.166.496.757.21
120°3.814.755.506.046.406.677.17
135°3.404.345.095.716.166.476.97
150°2.943.844.605.255.806.196.72
Run VMG2.543.344.064.705.275.776.43
Gybe Angles150.5°155.0°164.0°170.0°173.0°176.6°179.3°

APH: 703.8

CDL: 6.661

GPH: 799.2

CertNo: 21429

BOAT
ClassMAXI 87DesignerPelle PettersonBuilderMölnlycke Marin ABAge date01/1976Series date01/1974Offset filemaxi87CL.offData file21429
HULL
Length Overall8.700 mMaximum Beam2.988 mDraft1.563 mDisplacement3,790 kgDLR8.6570IMS DivisionCruiser/RacerDynamic Allowance0.530%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight465 kgMinimum weight349 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail16.3716.61Headsail Luffed25.9525.95Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail4.71Storm Jib5.06Heavy Weather Jib13.64
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  03440002MBBIssued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 1458

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 VMG1321.01083.1958.1885.0848.2832.0824.9
52°860.2720.6649.5610.8590.1580.8574.7
60°816.9690.2626.6593.3574.3563.9556.5
75°795.6673.3609.7578.0559.1545.7531.3
90°814.9685.6614.2577.2555.6539.7516.1
110°901.2730.5635.9584.1554.9533.7499.6
120°945.0757.9655.0595.6562.6539.7502.0
135°1059.9830.3707.2630.0584.4556.8516.8
150°1226.0938.4782.1685.4620.9581.2535.8
Run VMG1415.21078.5887.3766.3682.8624.0560.0
Selected Courses
Windward / Leeward1368.11080.8922.7825.6765.5728.0692.5
All purpose1052.5847.9737.4672.6634.2610.7584.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward869.20.6903
All purpose703.80.8525
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6220
Downwind "popa"0.6984
70% up, 30% down "Ilhabela"0.6431
30% up, 70% down "Ilhabela-inverso"0.6736
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Predominantly Upwind751.20.7987
Predominantly Downwind732.20.8195
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low950.30.6314
Triple Number All Purpose Medium699.10.8582
Triple Number All Purpose High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Predominantly Upwind751.20.7987
Predominantly Downwind732.20.8195
Predominantly Upwind Low1030.30.5824
Predominantly Upwind Medium765.70.7836
Predominantly Upwind High695.90.8622
Predominantly Downwind Low1068.90.5613
Predominantly Downwind Medium732.10.8196
Predominantly Downwind High587.91.0206
Chicago-Mac Upwind0.7816
Chicago-Mac All Purpose0.7904
Chicago-Mac Downwind0.8018
Bayview-Mac Cove Island0.7282
Bayview-Mac Shore0.7427
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching669.60.8960
Predominantly Reaching Low864.90.6937
Predominantly Reaching Medium668.00.8983
Predominantly Reaching High570.91.0509
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1346.00.4458
5-Band Low / Medium1108.10.5415
5-Band Medium844.90.7102
5-Band Medium / High736.60.8146
5-Band High698.60.8588
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance768.6
Triple Number Coastal/Long Distance Low950.3
Triple Number Coastal/Long Distance Medium699.1
Triple Number Coastal/Long Distance High606.9
Triple Number Windward/Leeward Low1224.5
Triple Number Windward/Leeward Medium864.2
Triple Number Windward/Leeward High724.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6314
Triple Number Coastal/Long Distance Medium0.8582
Triple Number Coastal/Long Distance High0.9887
Triple Number Windward/Leeward Low0.4900
Triple Number Windward/Leeward Medium0.6943
Triple Number Windward/Leeward High0.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low950.3
Triple Number Coastal/Long Distance Medium699.1
Triple Number Coastal/Long Distance High606.9
Triple Number Windward/Leeward Low1224.5
Triple Number Windward/Leeward Medium864.2
Triple Number Windward/Leeward High724.0
Predominantly Upwind751.2
Predominantly Downwind732.2
Predominantly Reaching693.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6314
Triple Number Coastal/Long Distance Medium0.8582
Triple Number Coastal/Long Distance High0.9887
Triple Number Windward/Leeward Low0.4900
Triple Number Windward/Leeward Medium0.6943
Triple Number Windward/Leeward High0.8287
Coastal/Long Distance0.7806
Predominantly Upwind0.7987
Predominantly Downwind0.8195
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6314
Tretall Distanseseilas Mellomvind0.8582
Tretall Distanseseilas Mye vind0.9887
Tretall Pølsebane Lite vind0.4900
Tretall Pølsebane Mellomvind0.6943
Tretall Pølsebane Mye vind0.8287
Distanseseilas ett tall (OSN 8-16kn)0.7806
Distanseseilas ett tall (APH 6-20kn)0.8525
Enkeltall Motvind0.7987
Enkeltall Medvind0.8195
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Coastal/Long Distance768.60.7806
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind751.20.7987
Predominantly Downwind732.20.8195
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore703.10.8533
Cape Doctor Coastal592.61.0126
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6314
Triple Number Coastal/Long Distance Medium0.8582
Triple Number Coastal/Long Distance High0.9887
Triple Number Windward/Leeward Low0.4900
Triple Number Windward/Leeward Medium0.6943
Triple Number Windward/Leeward High0.8287
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6314
Triple Number Coastal/Long Distance Medium0.8582
Triple Number Coastal/Long Distance High0.9887
Triple Number Windward/Leeward Low0.4900
Triple Number Windward/Leeward Medium0.6943
Triple Number Windward/Leeward High0.8287
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Predominantly Upwind751.20.7987
Predominantly Downwind732.20.8195
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance768.60.7806
Triple Number Coastal/Long Distance Low950.30.6314
Triple Number Coastal/Long Distance Medium699.10.8582
Triple Number Coastal/Long Distance High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1372.81018.2831.8719.3658.9617.7559.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low950.30.6314
Triple Number All Purpose Medium699.10.8582
Triple Number All Purpose High606.90.9887
Triple Number Windward/Leeward Low1224.50.4900
Triple Number Windward/Leeward Medium864.20.6943
Triple Number Windward/Leeward High724.00.8287
Predominantly Upwind751.20.7987
Predominantly Downwind732.20.8195
Predominantly Upwind Low1030.30.5824
Predominantly Upwind Medium765.70.7836
Predominantly Upwind High695.90.8622
Predominantly Downwind Low1068.90.5613
Predominantly Downwind Medium732.10.8196
Predominantly Downwind High587.91.0206
Chicago-Mac Upwind0.7816
Chicago-Mac All Purpose0.7904
Chicago-Mac Downwind0.8018
Bayview-Mac Cove Island0.7282
Bayview-Mac Shore0.7427
Harvest Moon Regatta605.80.9904
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy713.70.8407
San Francisco Bay Medium859.50.6981
Predominantly Reaching669.60.8960
Predominantly Reaching Low864.90.6937
Predominantly Reaching Medium668.00.8983
Predominantly Reaching High570.91.0509
Windward/Leeward 60-40 Low1220.00.4918
Windward/Leeward 60-40 Medium882.20.6802
Windward/Leeward 60-40 High761.30.7882
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1346.00.4458
5-Band Low / Medium1108.10.5415
5-Band Medium844.90.7102
5-Band Medium / High736.60.8146
5-Band High698.60.8588
ORC Ref  03440002MBBIssued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 1458

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMAXI 87MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.700Max. Beam2.988Draft1.563Displacement3,790Wetted area19.05IMS L7.628LSM07.592Acc. length8.700Sink (kg/mm) 12.88
VCGD0.100VCGM0.110RM Rated (kg·m) 52.8Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0032
EDL1.400ST10.050ST20.180
ST30.180ST40.112ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.890IG10.050ISP9.920MDT10.100MDL10.130MDT20.000MDL20.000TL0.000MW0.000GO0.000
E2.720J3.390BAS1.300FSDFoilSFJ0.000SPL3.460WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.100Flotation Date01/01/2015MeasurerComment
SFFP0.917FFMFF0.950LCFcl5.044SG0.0000
SAFP8.560FAMFA0.950LCFsh5.258HBI0.935
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002MBBIssued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Mira

NOR 1458

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment441-2011061014550.130.001.081.782.3016.3710/06/2011Serienr. i label i seilet har nr. 441-200805261300
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment441-2011051312010.000.000.000.000.004.8010.62NoNo 25.9513/05/2011
ORC Ref  03440002MBBIssued on 22/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org