Club
Certificate
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°37.8°37.8°37.9°
Beat VMG3.113.764.224.504.614.674.68
52°4.765.586.066.336.476.546.59
60°5.005.806.226.486.646.726.80
75°5.145.936.356.616.837.007.17
90°5.025.916.436.746.937.127.48
110°4.995.976.516.887.227.527.95
120°4.825.826.436.817.177.528.23
135°4.275.286.096.556.917.278.06
150°3.584.605.496.176.586.927.60
Run VMG3.103.994.765.476.046.467.11
Gybe Angles146.6°151.1°153.2°161.3°174.5°179.0°179.0°

APH: 626.7

CDL: 7.370

GPH: 704.3

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 Allowance0.250%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 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.

Club
Certificate
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 VMG1156.1956.8853.0800.2780.9771.1769.1
52°756.5644.7593.8568.4556.6550.8546.3
60°719.7621.2578.7556.0542.5535.8529.6
75°701.0607.1567.1544.3527.2514.6502.4
90°716.7609.3559.7533.8519.1505.3481.3
110°721.9602.6552.6522.9498.4478.8453.0
120°747.6618.3560.3528.5502.1478.5437.2
135°842.2682.1590.7549.3520.8495.0446.4
150°1004.5782.3656.1583.6547.1520.4473.5
Run VMG1159.9902.8756.0658.1596.4557.1506.3
Selected Courses
Windward / Leeward1158.0929.8804.5729.2688.6664.1637.7
All purpose888.9730.4648.8603.3578.0560.5536.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward766.50.7827
All purpose626.70.9573
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6900
Downwind "popa"0.8177
70% up, 30% down "Ilhabela"0.7239
30% up, 70% down "Ilhabela-inverso"0.7747
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Predominantly Upwind675.60.8881
Predominantly Downwind639.80.9378
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low809.70.7410
Triple Number All Purpose Medium622.70.9635
Triple Number All Purpose High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Predominantly Upwind675.60.8881
Predominantly Downwind639.80.9378
Predominantly Upwind Low894.00.6711
Predominantly Upwind Medium694.60.8638
Predominantly Upwind High648.20.9257
Predominantly Downwind Low894.20.6710
Predominantly Downwind Medium634.30.9459
Predominantly Downwind High527.21.1381
Chicago-Mac Upwind0.8719
Chicago-Mac All Purpose0.8937
Chicago-Mac Downwind0.9210
Bayview-Mac Cove Island0.8309
Bayview-Mac Shore0.8400
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching598.01.0033
Predominantly Reaching Low736.60.8145
Predominantly Reaching Medium593.01.0118
Predominantly Reaching High523.41.1464
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1140.40.5261
5-Band Low / Medium951.70.6305
5-Band Medium746.30.8040
5-Band Medium / High669.20.8965
5-Band High642.30.9342
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance681.7
Triple Number Coastal/Long Distance Low809.7
Triple Number Coastal/Long Distance Medium622.7
Triple Number Coastal/Long Distance High556.0
Triple Number Windward/Leeward Low1043.8
Triple Number Windward/Leeward Medium760.8
Triple Number Windward/Leeward High660.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7410
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0791
Triple Number Windward/Leeward Low0.5748
Triple Number Windward/Leeward Medium0.7886
Triple Number Windward/Leeward High0.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low809.7
Triple Number Coastal/Long Distance Medium622.7
Triple Number Coastal/Long Distance High556.0
Triple Number Windward/Leeward Low1043.8
Triple Number Windward/Leeward Medium760.8
Triple Number Windward/Leeward High660.4
Predominantly Upwind675.6
Predominantly Downwind639.8
Predominantly Reaching613.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7410
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0791
Triple Number Windward/Leeward Low0.5748
Triple Number Windward/Leeward Medium0.7886
Triple Number Windward/Leeward High0.9086
Coastal/Long Distance0.8802
Predominantly Upwind0.8881
Predominantly Downwind0.9378
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7410
Tretall Distanseseilas Mellomvind0.9635
Tretall Distanseseilas Mye vind1.0791
Tretall Pølsebane Lite vind0.5748
Tretall Pølsebane Mellomvind0.7886
Tretall Pølsebane Mye vind0.9086
Distanseseilas ett tall (OSN 8-16kn)0.8802
Distanseseilas ett tall (APH 6-20kn)0.9573
Enkeltall Motvind0.8881
Enkeltall Medvind0.9378
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Coastal/Long Distance681.70.8802
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind675.60.8881
Predominantly Downwind639.80.9378
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore645.60.9294
Cape Doctor Coastal544.01.1030
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7410
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0791
Triple Number Windward/Leeward Low0.5748
Triple Number Windward/Leeward Medium0.7886
Triple Number Windward/Leeward High0.9086
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7410
Triple Number Coastal/Long Distance Medium0.9635
Triple Number Coastal/Long Distance High1.0791
Triple Number Windward/Leeward Low0.5748
Triple Number Windward/Leeward Medium0.7886
Triple Number Windward/Leeward High0.9086
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Predominantly Upwind675.60.8881
Predominantly Downwind639.80.9378
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance681.70.8802
Triple Number Coastal/Long Distance Low809.70.7410
Triple Number Coastal/Long Distance Medium622.70.9635
Triple Number Coastal/Long Distance High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.2875.4727.9642.4599.5566.7512.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low809.70.7410
Triple Number All Purpose Medium622.70.9635
Triple Number All Purpose High556.01.0791
Triple Number Windward/Leeward Low1043.80.5748
Triple Number Windward/Leeward Medium760.80.7886
Triple Number Windward/Leeward High660.40.9086
Predominantly Upwind675.60.8881
Predominantly Downwind639.80.9378
Predominantly Upwind Low894.00.6711
Predominantly Upwind Medium694.60.8638
Predominantly Upwind High648.20.9257
Predominantly Downwind Low894.20.6710
Predominantly Downwind Medium634.30.9459
Predominantly Downwind High527.21.1381
Chicago-Mac Upwind0.8719
Chicago-Mac All Purpose0.8937
Chicago-Mac Downwind0.9210
Bayview-Mac Cove Island0.8309
Bayview-Mac Shore0.8400
Harvest Moon Regatta545.71.0995
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy649.70.9235
San Francisco Bay Medium756.10.7936
Predominantly Reaching598.01.0033
Predominantly Reaching Low736.60.8145
Predominantly Reaching Medium593.01.0118
Predominantly Reaching High523.41.1464
Windward/Leeward 60-40 Low1046.40.5734
Windward/Leeward 60-40 Medium783.10.7662
Windward/Leeward 60-40 High698.60.8589
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1140.40.5261
5-Band Low / Medium951.70.6305
5-Band Medium746.30.8040
5-Band Medium / High669.20.8965
5-Band High642.30.9342

Club
Certificate
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 L7.776LSM07.561Acc. 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

Club
Certificate
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