Club
Certificate
Non Spinnaker
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 Angles43.5°41.7°39.9°38.4°38.1°37.8°38.1°
Beat VMG3.123.764.224.504.614.674.68
52°4.765.596.066.336.476.546.59
60°5.005.806.226.486.646.726.80
75°5.145.936.356.626.837.007.17
90°5.035.876.356.656.907.137.48
110°4.525.506.176.576.897.197.78
120°4.275.276.006.456.787.097.72
135°3.764.765.566.156.536.837.44
150°3.204.185.005.696.216.567.14
Run VMG2.783.634.395.095.706.186.81
Gybe Angles148.4°154.1°162.2°170.0°176.6°179.0°179.0°

APH: 647.1

CDL: 7.370

GPH: 730.3

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 Allowance0.280%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight462 kgMinimum weight346 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail22.4022.79Headsail Luffed22.2722.27Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.80Storm Jib4.64Heavy Weather Jib12.52
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  03440002K87Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1155.5956.4852.7800.1781.0771.2769.4
52°756.2644.5593.6568.4556.6550.8546.3
60°719.4620.9578.6555.9542.5535.8529.6
75°700.7606.9567.0544.2527.2514.5502.4
90°716.3613.2566.7541.5522.1505.2481.2
110°796.4654.4583.5547.8522.8500.5462.6
120°842.2683.2600.0558.0531.3508.1466.5
135°958.4756.2647.2585.6551.5526.9484.0
150°1123.3861.6719.5632.3580.2549.1504.3
Run VMG1297.1991.8819.1707.6631.4582.5528.9
Selected Courses
Windward / Leeward1226.3974.1835.9753.9706.2676.9649.1
All purpose937.7763.0672.2621.3592.0572.6548.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward793.50.7562
All purpose647.10.9272
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6901
Downwind "popa"0.7556
70% up, 30% down "Ilhabela"0.7085
30% up, 70% down "Ilhabela-inverso"0.7347
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Predominantly Upwind686.60.8739
Predominantly Downwind674.30.8898
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low850.30.7056
Triple Number All Purpose Medium642.70.9335
Triple Number All Purpose High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Predominantly Upwind686.60.8739
Predominantly Downwind674.30.8898
Predominantly Upwind Low914.70.6559
Predominantly Upwind Medium698.00.8596
Predominantly Upwind High650.20.9228
Predominantly Downwind Low968.90.6193
Predominantly Downwind Medium676.40.8870
Predominantly Downwind High550.91.0891
Chicago-Mac Upwind0.8576
Chicago-Mac All Purpose0.8633
Chicago-Mac Downwind0.8717
Bayview-Mac Cove Island0.8025
Bayview-Mac Shore0.8178
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching616.90.9726
Predominantly Reaching Low775.20.7740
Predominantly Reaching Medium615.10.9754
Predominantly Reaching High536.61.1181
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1206.90.4971
5-Band Low / Medium998.50.6009
5-Band Medium771.50.7777
5-Band Medium / High683.60.8777
5-Band High653.90.9175
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance705.5
Triple Number Coastal/Long Distance Low850.3
Triple Number Coastal/Long Distance Medium642.7
Triple Number Coastal/Long Distance High568.3
Triple Number Windward/Leeward Low1100.3
Triple Number Windward/Leeward Medium787.6
Triple Number Windward/Leeward High673.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7056
Triple Number Coastal/Long Distance Medium0.9335
Triple Number Coastal/Long Distance High1.0557
Triple Number Windward/Leeward Low0.5453
Triple Number Windward/Leeward Medium0.7618
Triple Number Windward/Leeward High0.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low850.3
Triple Number Coastal/Long Distance Medium642.7
Triple Number Coastal/Long Distance High568.3
Triple Number Windward/Leeward Low1100.3
Triple Number Windward/Leeward Medium787.6
Triple Number Windward/Leeward High673.8
Predominantly Upwind686.6
Predominantly Downwind674.3
Predominantly Reaching638.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7056
Triple Number Coastal/Long Distance Medium0.9335
Triple Number Coastal/Long Distance High1.0557
Triple Number Windward/Leeward Low0.5453
Triple Number Windward/Leeward Medium0.7618
Triple Number Windward/Leeward High0.8905
Coastal/Long Distance0.8504
Predominantly Upwind0.8739
Predominantly Downwind0.8898
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7056
Tretall Distanseseilas Mellomvind0.9335
Tretall Distanseseilas Mye vind1.0557
Tretall Pølsebane Lite vind0.5453
Tretall Pølsebane Mellomvind0.7618
Tretall Pølsebane Mye vind0.8905
Distanseseilas ett tall (OSN 8-16kn)0.8504
Distanseseilas ett tall (APH 6-20kn)0.9272
Enkeltall Motvind0.8739
Enkeltall Medvind0.8898
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Coastal/Long Distance705.50.8504
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind686.60.8739
Predominantly Downwind674.30.8898
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore657.40.9126
Cape Doctor Coastal555.61.0799
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7056
Triple Number Coastal/Long Distance Medium0.9335
Triple Number Coastal/Long Distance High1.0557
Triple Number Windward/Leeward Low0.5453
Triple Number Windward/Leeward Medium0.7618
Triple Number Windward/Leeward High0.8905
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7056
Triple Number Coastal/Long Distance Medium0.9335
Triple Number Coastal/Long Distance High1.0557
Triple Number Windward/Leeward Low0.5453
Triple Number Windward/Leeward Medium0.7618
Triple Number Windward/Leeward High0.8905
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Predominantly Upwind686.60.8739
Predominantly Downwind674.30.8898
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance705.50.8504
Triple Number Coastal/Long Distance Low850.30.7056
Triple Number Coastal/Long Distance Medium642.70.9335
Triple Number Coastal/Long Distance High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1233.4918.2756.0662.2614.4579.4525.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low850.30.7056
Triple Number All Purpose Medium642.70.9335
Triple Number All Purpose High568.31.0557
Triple Number Windward/Leeward Low1100.30.5453
Triple Number Windward/Leeward Medium787.60.7618
Triple Number Windward/Leeward High673.80.8905
Predominantly Upwind686.60.8739
Predominantly Downwind674.30.8898
Predominantly Upwind Low914.70.6559
Predominantly Upwind Medium698.00.8596
Predominantly Upwind High650.20.9228
Predominantly Downwind Low968.90.6193
Predominantly Downwind Medium676.40.8870
Predominantly Downwind High550.91.0891
Chicago-Mac Upwind0.8576
Chicago-Mac All Purpose0.8633
Chicago-Mac Downwind0.8717
Bayview-Mac Cove Island0.8025
Bayview-Mac Shore0.8178
Harvest Moon Regatta564.11.0636
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy664.50.9030
San Francisco Bay Medium783.00.7663
Predominantly Reaching616.90.9726
Predominantly Reaching Low775.20.7740
Predominantly Reaching Medium615.10.9754
Predominantly Reaching High536.61.1181
Windward/Leeward 60-40 Low1091.40.5498
Windward/Leeward 60-40 Medium800.70.7493
Windward/Leeward 60-40 High707.50.8480
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1206.90.4971
5-Band Low / Medium998.50.6009
5-Band Medium771.50.7777
5-Band Medium / High683.60.8777
5-Band High653.90.9175
ORC Ref  03440002K87Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L7.774LSM07.561Acc. 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  03440002K87Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002K87Issued on 02/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org