Club
Certificate
Double Handed
2023

Boat

Madam Larsen

NOR 7213

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 Angles43.0°41.1°40.0°39.4°39.4°39.4°40.3°
Beat VMG3.153.784.164.324.394.414.36
52°4.775.586.026.226.306.356.36
60°5.005.776.206.406.506.556.59
75°5.155.916.346.596.766.866.96
90°5.065.876.396.656.897.087.33
110°5.015.976.516.887.187.417.71
120°4.855.856.446.847.207.548.11
135°4.325.326.136.606.997.378.21
150°3.624.645.526.206.636.997.76
Run VMG3.134.024.805.506.076.507.20
Gybe Angles146.0°151.1°153.2°161.3°174.8°179.0°179.0°

APH: 633.1

CDL: 7.013

GPH: 708.5

CertNo: 5176

BOAT
ClassLARSEN 28DesignerHans Åge LarsenBuilderNyboatAge date01/1987Series date01/1985Offset fileLARS28.OFFData file5176
HULL
Length Overall8.910 mMaximum Beam2.648 mDraft1.538 mDisplacement2,716 kgDLR6.2822IMS DivisionCruiser/RacerDynamic Allowance0.240%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.4022.79Headsail Luffed22.2722.27Headsail FlyingSymmetric48.5248.52Asymmetric
STORM SAIL AREAS (m²)
Trysail6.80Storm Jib4.64Heavy Weather Jib12.52
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  03440002K75Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Madam Larsen

NOR 7213

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 VMG1142.7951.8864.8833.7820.8815.8825.6
52°755.0645.5597.6578.9571.2567.2566.3
60°720.3623.5580.7562.1554.1549.4546.6
75°699.2609.2568.0546.5532.9525.1517.2
90°711.6613.0563.8541.6522.8508.4491.1
110°718.1602.7552.7523.3501.2485.9467.0
120°741.6615.8558.8526.3499.9477.6443.9
135°832.9676.7587.6545.8515.3488.2438.6
150°995.5776.1651.8580.4543.3514.7464.0
Run VMG1149.5895.7750.6654.0593.1553.7499.8
Selected Courses
Windward / Leeward1146.1923.7807.7743.8706.9684.8662.7
All purpose881.6728.0650.9611.5588.2572.5553.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward777.40.7718
All purpose633.10.9478
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6714
Downwind "popa"0.8241
70% up, 30% down "Ilhabela"0.7110
30% up, 70% down "Ilhabela-inverso"0.7715
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Predominantly Upwind686.30.8743
Predominantly Downwind639.90.9376
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low804.80.7455
Triple Number All Purpose Medium628.50.9546
Triple Number All Purpose High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Predominantly Upwind686.30.8743
Predominantly Downwind639.90.9376
Predominantly Upwind Low888.30.6755
Predominantly Upwind Medium709.20.8460
Predominantly Upwind High677.20.8860
Predominantly Downwind Low887.40.6761
Predominantly Downwind Medium632.50.9486
Predominantly Downwind High525.61.1416
Chicago-Mac Upwind0.8597
Chicago-Mac All Purpose0.8879
Chicago-Mac Downwind0.9213
Bayview-Mac Cove Island0.8303
Bayview-Mac Shore0.8378
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching602.00.9967
Predominantly Reaching Low733.20.8184
Predominantly Reaching Medium595.51.0076
Predominantly Reaching High528.41.1356
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1129.00.5315
5-Band Low / Medium947.40.6333
5-Band Medium758.30.7912
5-Band Medium / High689.80.8699
5-Band High666.50.9002
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance688.3
Triple Number Coastal/Long Distance Low804.8
Triple Number Coastal/Long Distance Medium628.5
Triple Number Coastal/Long Distance High569.2
Triple Number Windward/Leeward Low1034.8
Triple Number Windward/Leeward Medium770.9
Triple Number Windward/Leeward High682.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7455
Triple Number Coastal/Long Distance Medium0.9546
Triple Number Coastal/Long Distance High1.0541
Triple Number Windward/Leeward Low0.5798
Triple Number Windward/Leeward Medium0.7783
Triple Number Windward/Leeward High0.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low804.8
Triple Number Coastal/Long Distance Medium628.5
Triple Number Coastal/Long Distance High569.2
Triple Number Windward/Leeward Low1034.8
Triple Number Windward/Leeward Medium770.9
Triple Number Windward/Leeward High682.1
Predominantly Upwind686.3
Predominantly Downwind639.9
Predominantly Reaching615.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7455
Triple Number Coastal/Long Distance Medium0.9546
Triple Number Coastal/Long Distance High1.0541
Triple Number Windward/Leeward Low0.5798
Triple Number Windward/Leeward Medium0.7783
Triple Number Windward/Leeward High0.8797
Coastal/Long Distance0.8717
Predominantly Upwind0.8743
Predominantly Downwind0.9376
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7455
Tretall Distanseseilas Mellomvind0.9546
Tretall Distanseseilas Mye vind1.0541
Tretall Pølsebane Lite vind0.5798
Tretall Pølsebane Mellomvind0.7783
Tretall Pølsebane Mye vind0.8797
Distanseseilas ett tall (OSN 8-16kn)0.8717
Distanseseilas ett tall (APH 6-20kn)0.9478
Enkeltall Motvind0.8743
Enkeltall Medvind0.9376
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Coastal/Long Distance688.30.8717
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind686.30.8743
Predominantly Downwind639.90.9376
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore669.30.8965
Cape Doctor Coastal559.01.0733
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7455
Triple Number Coastal/Long Distance Medium0.9546
Triple Number Coastal/Long Distance High1.0541
Triple Number Windward/Leeward Low0.5798
Triple Number Windward/Leeward Medium0.7783
Triple Number Windward/Leeward High0.8797
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7455
Triple Number Coastal/Long Distance Medium0.9546
Triple Number Coastal/Long Distance High1.0541
Triple Number Windward/Leeward Low0.5798
Triple Number Windward/Leeward Medium0.7783
Triple Number Windward/Leeward High0.8797
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Predominantly Upwind686.30.8743
Predominantly Downwind639.90.9376
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance688.30.8717
Triple Number Coastal/Long Distance Low804.80.7455
Triple Number Coastal/Long Distance Medium628.50.9546
Triple Number Coastal/Long Distance High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.4870.4730.5652.7610.6577.4524.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low804.80.7455
Triple Number All Purpose Medium628.50.9546
Triple Number All Purpose High569.21.0541
Triple Number Windward/Leeward Low1034.80.5798
Triple Number Windward/Leeward Medium770.90.7783
Triple Number Windward/Leeward High682.10.8797
Predominantly Upwind686.30.8743
Predominantly Downwind639.90.9376
Predominantly Upwind Low888.30.6755
Predominantly Upwind Medium709.20.8460
Predominantly Upwind High677.20.8860
Predominantly Downwind Low887.40.6761
Predominantly Downwind Medium632.50.9486
Predominantly Downwind High525.61.1416
Chicago-Mac Upwind0.8597
Chicago-Mac All Purpose0.8879
Chicago-Mac Downwind0.9213
Bayview-Mac Cove Island0.8303
Bayview-Mac Shore0.8378
Harvest Moon Regatta547.21.0964
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy670.80.8944
San Francisco Bay Medium764.30.7850
Predominantly Reaching602.00.9967
Predominantly Reaching Low733.20.8184
Predominantly Reaching Medium595.51.0076
Predominantly Reaching High528.41.1356
Windward/Leeward 60-40 Low1037.40.5784
Windward/Leeward 60-40 Medium798.00.7518
Windward/Leeward 60-40 High729.20.8228
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1129.00.5315
5-Band Low / Medium947.40.6333
5-Band Medium758.30.7912
5-Band Medium / High689.80.8699
5-Band High666.50.9002
ORC Ref  03440002K75Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Madam Larsen

NOR 7213

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLARSEN 28MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.910Max. Beam2.648Draft1.538Displacement2,716Wetted area16.01IMS L7.610LSM07.561Acc. length8.606Sink (kg/mm) 12.28
VCGD-0.080VCGM-0.022RM Rated (kg·m) 53.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0036
EDL0.770ST10.070ST20.180
ST30.180ST40.110ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders1Rotating mastNo
P10.500IG9.600ISP9.600MDT10.100MDL10.130MDT20.090MDL20.090TL2.250MW0.130GO0.140
E3.700J3.380BAS1.130FSDFoilSFJ0.000SPL3.430WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.080Flotation Date01/01/2015MeasurerComment
SFFP0.510FFMFF1.004LCFcl4.998SG1.0100
SAFP8.440FAMFA0.753LCFsh5.166HBI0.883
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002K75Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Madam Larsen

NOR 7213

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment5176-2004012412000.120.001.282.233.0022.4001/01/1753
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment5176-2004012412010.000.000.000.000.004.619.49NoNo 22.2701/01/1753
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment5176-2004012412029.439.439.430.000.0048.5201/01/1753
ORC Ref  03440002K75Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org