Double HandedClub Certificate2025
ExpenserNOR 950
Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.6°42.6°40.7°39.7°39.5°39.7°40.1°41.5°45.1°
Beat VMG2.263.083.683.994.094.114.114.023.72
52°3.504.655.405.755.885.935.955.945.74
60°3.724.885.595.926.066.126.156.176.06
75°3.885.055.736.076.276.406.476.546.54
90°3.795.025.796.106.366.586.746.937.02
110°3.865.125.926.326.626.816.977.137.43
120°3.704.975.846.296.656.977.257.637.70
135°3.224.485.476.076.476.857.258.289.68
150°2.653.814.845.656.166.546.917.819.74
Run VMG2.303.304.204.955.576.026.387.078.44
Gybe Angles146.6°146.6°151.2°156.5°164.8°172.7°177.2°176.3°148.5°
APH ToD:652.7CDL: 6.306APH ToT: 0.9192CertNo:21599
BOAT
ClassEXPRESSDesignerPeterNorlinBuilderAlbin Marin ABAge dateSeries date01/1979Offset fileL0016.offData file21599
HULL
Length Overall7.798 mMaximum Beam2.524 mDraft1.438 mDisplacement1,863 kgDLR6.2254IMS DivisionSportboatDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.8119.18Headsail Luffed14.9614.96Headsail FlyingSymmetric42.7542.75Asymmetric
STORM SAIL AREAS (m²)
Trysail5.57Storm Jib4.84Heavy Weather Jib13.05
SAIL LIMITS
Headsails5Spinnakers4
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.
Double HandedClub Certificate2025
ExpenserNOR 950
Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1591.01168.3979.6902.6880.9875.2876.1894.6967.8
52°1028.8773.9666.8626.2612.6607.2605.2606.6627.0
60°967.4737.4644.4608.2593.8587.9584.9583.6593.7
75°927.7713.0628.3592.9573.8562.6556.6550.3550.6
90°950.1717.0622.1589.9565.8547.2534.0519.5513.0
110°932.2703.1607.8569.3544.2528.5516.5504.9484.4
120°973.9724.3616.7572.1541.3516.2496.7471.6467.6
135°1117.8803.3658.1592.6556.2525.4496.5434.8371.9
150°1358.2945.1743.7637.0584.5550.8521.1461.1369.4
Run VMG1568.41091.3858.0727.2646.8597.8563.8508.8426.6
Selected Courses
Windward / Leeward1578.01129.8918.8814.9763.9736.5720.0701.7697.2
All purpose1194.5875.0731.0666.1634.1615.2602.0584.4576.7
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward794.90.7548
All purpose652.70.9192
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6386
Downwind "popa"0.8411
70% up, 30% down "Ilhabela"0.6883
30% up, 70% down "Ilhabela-inverso"0.7680
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Predominantly Upwind712.50.8421
Predominantly Downwind645.70.9292
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low803.00.7472
Triple Number AP Medium648.20.9257
Triple Number AP High598.71.0022
Triple Number Windward/Leeward Low1069.40.5610
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Single Number Predominant Upwind740.40.8104
Single Number Predominant Reaching644.60.9307
Single Number Predominant Downwind672.70.8920
Predominant Upwind - Low966.20.6210
Predominant Upwind - Low/Med761.70.7877
Predominant Upwind - Medium695.20.8630
Predominant Upwind - Med/High668.00.8982
Predominant Upwind - High662.90.9051
Predominant Downwind Low956.30.6274
Predominant Downwind Low/Med721.20.8319
Predominant Downwind Medium627.20.9566
Predominant Downwind Med/High567.71.0570
Predominant Downwind High526.61.1393
Predominant Reaching Low858.60.6988
Predominant Reaching Low/Med675.10.8887
Predominant Reaching Medium608.60.9859
Predominant Reaching Med/High567.61.0571
Predominant Reaching High542.11.1069
SA/DSPL Upwind22.27SA/DSPL Downwind40.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1189.50.5044
5-Band Windward/Leeward Low/Med890.40.6739
5-Band Windward/Leeward Medium777.00.7722
5-Band Windward/Leeward Med/High723.40.8295
5-Band Windward/Leeward High704.10.8522
Windward/Leeward 60-40 Low1197.00.5013
Windward/Leeward 60-40 Low/Med905.40.6627
Windward/Leeward 60-40 Medium799.80.7502
Windward/Leeward 60-40 Med/High754.60.7951
Windward/Leeward 60-40 High744.10.8064
5-Band AP Low879.90.6819
5-Band AP Low/Med715.00.8391
5-Band AP Medium641.60.9352
5-Band AP Med/High603.90.9935
5-Band AP High586.11.0237
5-Band SF Bay Tour - Low1029.90.5826
5-Band SF Bay Tour - Low/Med855.90.7010
5-Band SF Bay Tour - Medium756.30.7933
5-Band SF Bay Tour - Med/High710.00.8451
5-Band SF Bay Tour - High692.70.8661
Chicago-Mac Upwind0.7916
Chicago-Mac All Purpose0.8284
Chicago-Mac Downwind0.8631
Bayview-Mac Cove Island0.6228
Bayview-Mac Shore0.6270
Harvest Moon Regatta565.81.0605
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance706.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating706.00.8498
FinRating, kevyt tuuli1167.70.8564
FinRating, kova tuuli589.80.8477
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8498
Triple Number Coastal/Long Distance Low0.7472
Triple Number Coastal/Long Distance Medium0.9258
Triple Number Coastal/Long Distance High1.0022
Triple Number Windward/Leeward Low0.5858
Triple Number Windward/Leeward Medium0.7624
Triple Number Windward/Leeward High0.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
For information
General Purpose Handicap (GPH)724.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low803.0
Triple Number Coastal/Long Distance Medium648.1
Triple Number Coastal/Long Distance High598.7
Triple Number Windward/Leeward Low1024.2
Triple Number Windward/Leeward Medium787.0
Triple Number Windward/Leeward High717.3
Predominantly Upwind712.5
Predominantly Downwind645.7
Predominantly Reaching627.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7472
Triple Number Coastal/Long Distance Medium0.9258
Triple Number Coastal/Long Distance High1.0022
Triple Number Windward/Leeward Low0.5858
Triple Number Windward/Leeward Medium0.7624
Triple Number Windward/Leeward High0.8365
Coastal/Long Distance0.8498
Predominantly Upwind0.8421
Predominantly Downwind0.9292
For information
General Purpose Handicap (GPH)724.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9192
Distanseseilas Trippeltall svak vind0.7472
Distanseseilas Trippeltall mellomvind0.9258
Distanseseilas Trippeltall sterk vind1.0022
Pølsebane Trippeltall svak vind0.5858
Pølsebane Trippeltall mellomvind0.7624
Pølsebane Trippeltall sterk vind0.8365
Motvind Singeltall0.8421
Medvind Singeltall0.9292
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Coastal/Long Distance706.00.8498
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind712.50.8421
Predominantly Downwind645.70.9292
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore698.50.8589
Cape Doctor Coastal579.01.0362
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7472
Triple Number Coastal/Long Distance Medium0.9258
Triple Number Coastal/Long Distance High1.0022
Triple Number Windward/Leeward Low0.5858
Triple Number Windward/Leeward Medium0.7624
Triple Number Windward/Leeward High0.8365
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7472
Triple Number Coastal/Long Distance Medium0.9258
Triple Number Coastal/Long Distance High1.0022
Triple Number Windward/Leeward Low0.5858
Triple Number Windward/Leeward Medium0.7624
Triple Number Windward/Leeward High0.8365
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Predominantly Upwind712.50.8421
Predominantly Downwind645.70.9292
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance706.00.8498
Triple Number Coastal/Long Distance Low803.00.7472
Triple Number Coastal/Long Distance Medium648.10.9258
Triple Number Coastal/Long Distance High598.71.0022
Triple Number Windward/Leeward Low1024.20.5858
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1666.51125.9866.4741.9675.8637.8606.2554.2544.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low803.00.7472
Triple Number AP Medium648.20.9257
Triple Number AP High598.71.0022
Triple Number Windward/Leeward Low1069.40.5610
Triple Number Windward/Leeward Medium787.00.7624
Triple Number Windward/Leeward High717.30.8365
Single Number Predominant Upwind740.40.8104
Single Number Predominant Reaching644.60.9307
Single Number Predominant Downwind672.70.8920
Predominant Upwind - Low966.20.6210
Predominant Upwind - Low/Med761.70.7877
Predominant Upwind - Medium695.20.8630
Predominant Upwind - Med/High668.00.8982
Predominant Upwind - High662.90.9051
Predominant Downwind Low956.30.6274
Predominant Downwind Low/Med721.20.8319
Predominant Downwind Medium627.20.9566
Predominant Downwind Med/High567.71.0570
Predominant Downwind High526.61.1393
Predominant Reaching Low858.60.6988
Predominant Reaching Low/Med675.10.8887
Predominant Reaching Medium608.60.9859
Predominant Reaching Med/High567.61.0571
Predominant Reaching High542.11.1069
SA/DSPL Upwind22.27SA/DSPL Downwind40.58
Scoring OptionTODTOT
5-Band Windward/Leeward Low1189.50.5044
5-Band Windward/Leeward Low/Med890.40.6739
5-Band Windward/Leeward Medium777.00.7722
5-Band Windward/Leeward Med/High723.40.8295
5-Band Windward/Leeward High704.10.8522
Windward/Leeward 60-40 Low1197.00.5013
Windward/Leeward 60-40 Low/Med905.40.6627
Windward/Leeward 60-40 Medium799.80.7502
Windward/Leeward 60-40 Med/High754.60.7951
Windward/Leeward 60-40 High744.10.8064
5-Band AP Low879.90.6819
5-Band AP Low/Med715.00.8391
5-Band AP Medium641.60.9352
5-Band AP Med/High603.90.9935
5-Band AP High586.11.0237
5-Band SF Bay Tour - Low1029.90.5826
5-Band SF Bay Tour - Low/Med855.90.7010
5-Band SF Bay Tour - Medium756.30.7933
5-Band SF Bay Tour - Med/High710.00.8451
5-Band SF Bay Tour - High692.70.8661
Chicago-Mac Upwind0.7916
Chicago-Mac All Purpose0.8284
Chicago-Mac Downwind0.8631
Bayview-Mac Cove Island0.6228
Bayview-Mac Shore0.6270
Harvest Moon Regatta565.81.0605
Double HandedClub Certificate2025
ExpenserNOR 950
Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEXPRESSMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.798Max. Beam2.524Draft1.438Displacement1,863Wetted area12.77IMS L6.866LSM06.688Acc. length7.798Sink (kg/mm) 9.33
VCGD-0.020VCGM0.009RM Rated (kg·m) 30.0Limit of positive stability(°) N/AStability IndexN/ADefault crew weight170Declared crew weightN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders1Rotating mastNo
P9.500IG9.830ISP9.795MDT10.090MDL10.130MDT20.090MDL20.130TL0.000MW0.000GO0.000
E3.350J3.050BAS1.170FSD0.000SFJ0.000SPL3.170WPLTPS0.000BD0.000MWT39.00MCG4.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.020Flotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Double HandedClub Certificate2025
ExpenserNOR 950
Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2020081011000.150.701.292.092.8018.8110/08/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2020081011000.070.000.971.630.003.298.90YesNo 14.9610/08/2020
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1-2020081011019.009.009.005.705.7042.7510/08/2020
CRUISER/RACER REQUIREMENTS*
Accommodation length7.8 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity18 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.