Club
Certificate
Double Handed
2023

Boat

Expresso

NOR 21

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 Angles42.6°40.8°40.0°40.0°40.2°40.6°42.4°
Beat VMG3.063.653.954.044.064.053.93
52°4.635.375.725.845.905.925.89
60°4.865.575.896.046.116.146.14
75°5.035.716.066.266.396.466.53
90°5.025.796.126.356.566.736.92
110°5.105.926.336.646.867.037.31
120°4.955.846.306.677.007.317.74
135°4.445.406.076.486.867.278.32
150°3.694.705.566.136.516.897.78
Run VMG3.204.084.845.516.026.397.10
Gybe Angles146.0°151.0°154.1°164.6°177.2°179.0°178.4°

APH: 657.4

CDL: 6.202

GPH: 730.4

CertNo: 21471

BOAT
ClassEXPRESSDesignerPeter NorlinBuilderAlbin Marin ABAge dateSeries date01/1978Offset fileL0016.OFFData file21471
HULL
Length Overall7.770 mMaximum Beam2.524 mDraft1.436 mDisplacement1,838 kgDLR6.2058IMS DivisionSportboatDynamic Allowance0.190%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.8119.18Headsail Luffed14.8114.81Headsail FlyingSymmetric42.7542.75Asymmetric
STORM SAIL AREAS (m²)
Trysail5.57Storm Jib3.90Heavy Weather Jib10.53
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  03440002L2CIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Expresso

NOR 21

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 VMG1177.1987.1912.3892.1887.5889.3915.9
52°777.9669.9629.6615.9610.3608.0611.6
60°740.6646.7610.7595.9589.6586.3586.1
75°715.9630.0594.4575.3563.6556.9551.4
90°716.7621.6588.5566.7548.5534.8520.0
110°705.6608.1568.5542.1524.6512.3492.6
120°726.8616.5571.3540.0514.1492.5465.4
135°810.5666.8592.8555.9524.7495.4432.5
150°975.7765.2647.7587.3552.9522.7463.0
Run VMG1126.6883.0744.5653.8598.5563.7507.2
Selected Courses
Windward / Leeward1151.9935.1828.4773.0743.0726.5711.6
All purpose885.6738.7671.7637.9618.4604.9588.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward805.50.7449
All purpose657.40.9126
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6305
Downwind "popa"0.8272
70% up, 30% down "Ilhabela"0.6789
30% up, 70% down "Ilhabela-inverso"0.7564
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Predominantly Upwind718.30.8353
Predominantly Downwind651.20.9213
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low812.10.7388
Triple Number All Purpose Medium652.70.9193
Triple Number All Purpose High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Predominantly Upwind718.30.8353
Predominantly Downwind651.20.9213
Predominantly Upwind Low907.10.6614
Predominantly Upwind Medium750.20.7998
Predominantly Upwind High732.30.8193
Predominantly Downwind Low881.90.6804
Predominantly Downwind Medium639.60.9380
Predominantly Downwind High537.61.1161
Chicago-Mac Upwind0.8213
Chicago-Mac All Purpose0.8602
Chicago-Mac Downwind0.9059
Bayview-Mac Cove Island0.8100
Bayview-Mac Shore0.8122
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching621.20.9659
Predominantly Reaching Low735.90.8153
Predominantly Reaching Medium613.50.9779
Predominantly Reaching High551.71.0876
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1135.20.5286
5-Band Low / Medium960.40.6247
5-Band Medium786.80.7626
5-Band Medium / High730.60.8212
5-Band High714.10.8402
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance712.7
Triple Number Coastal/Long Distance Low812.1
Triple Number Coastal/Long Distance Medium652.7
Triple Number Coastal/Long Distance High602.0
Triple Number Windward/Leeward Low1043.5
Triple Number Windward/Leeward Medium797.4
Triple Number Windward/Leeward High725.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7388
Triple Number Coastal/Long Distance Medium0.9193
Triple Number Coastal/Long Distance High0.9966
Triple Number Windward/Leeward Low0.5750
Triple Number Windward/Leeward Medium0.7524
Triple Number Windward/Leeward High0.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low812.1
Triple Number Coastal/Long Distance Medium652.7
Triple Number Coastal/Long Distance High602.0
Triple Number Windward/Leeward Low1043.5
Triple Number Windward/Leeward Medium797.4
Triple Number Windward/Leeward High725.0
Predominantly Upwind718.3
Predominantly Downwind651.2
Predominantly Reaching630.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7388
Triple Number Coastal/Long Distance Medium0.9193
Triple Number Coastal/Long Distance High0.9966
Triple Number Windward/Leeward Low0.5750
Triple Number Windward/Leeward Medium0.7524
Triple Number Windward/Leeward High0.8276
Coastal/Long Distance0.8418
Predominantly Upwind0.8353
Predominantly Downwind0.9213
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7388
Tretall Distanseseilas Mellomvind0.9193
Tretall Distanseseilas Mye vind0.9966
Tretall Pølsebane Lite vind0.5750
Tretall Pølsebane Mellomvind0.7524
Tretall Pølsebane Mye vind0.8276
Distanseseilas ett tall (OSN 8-16kn)0.8418
Distanseseilas ett tall (APH 6-20kn)0.9126
Enkeltall Motvind0.8353
Enkeltall Medvind0.9213
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Coastal/Long Distance712.70.8418
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind718.30.8353
Predominantly Downwind651.20.9213
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore716.00.8380
Cape Doctor Coastal593.31.0113
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7388
Triple Number Coastal/Long Distance Medium0.9193
Triple Number Coastal/Long Distance High0.9966
Triple Number Windward/Leeward Low0.5750
Triple Number Windward/Leeward Medium0.7524
Triple Number Windward/Leeward High0.8276
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7388
Triple Number Coastal/Long Distance Medium0.9193
Triple Number Coastal/Long Distance High0.9966
Triple Number Windward/Leeward Low0.5750
Triple Number Windward/Leeward Medium0.7524
Triple Number Windward/Leeward High0.8276
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Predominantly Upwind718.30.8353
Predominantly Downwind651.20.9213
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance712.70.8418
Triple Number Coastal/Long Distance Low812.10.7388
Triple Number Coastal/Long Distance Medium652.70.9193
Triple Number Coastal/Long Distance High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1149.3880.6751.1680.9641.4608.6555.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low812.10.7388
Triple Number All Purpose Medium652.70.9193
Triple Number All Purpose High602.00.9966
Triple Number Windward/Leeward Low1043.50.5750
Triple Number Windward/Leeward Medium797.40.7524
Triple Number Windward/Leeward High725.00.8276
Predominantly Upwind718.30.8353
Predominantly Downwind651.20.9213
Predominantly Upwind Low907.10.6614
Predominantly Upwind Medium750.20.7998
Predominantly Upwind High732.30.8193
Predominantly Downwind Low881.90.6804
Predominantly Downwind Medium639.60.9380
Predominantly Downwind High537.61.1161
Chicago-Mac Upwind0.8213
Chicago-Mac All Purpose0.8602
Chicago-Mac Downwind0.9059
Bayview-Mac Cove Island0.8100
Bayview-Mac Shore0.8122
Harvest Moon Regatta566.61.0589
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy712.80.8417
San Francisco Bay Medium791.30.7583
Predominantly Reaching621.20.9659
Predominantly Reaching Low735.90.8153
Predominantly Reaching Medium613.50.9779
Predominantly Reaching High551.71.0876
Windward/Leeward 60-40 Low1051.20.5708
Windward/Leeward 60-40 Medium834.20.7192
Windward/Leeward 60-40 High784.10.7652
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1135.20.5286
5-Band Low / Medium960.40.6247
5-Band Medium786.80.7626
5-Band Medium / High730.60.8212
5-Band High714.10.8402
ORC Ref  03440002L2CIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Expresso

NOR 21

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEXPRESSMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.770Max. Beam2.524Draft1.436Displacement1,838Wetted area12.71IMS L6.802LSM06.665Acc. length7.770Sink (kg/mm) 9.27
VCGD-0.020VCGM0.011RM Rated (kg·m) 29.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.500IG8.830ISP8.795MDT10.090MDL10.130MDT20.090MDL20.130TL0.000MW0.130GO0.130
E3.350J3.050BAS1.170FSD0.000SFJ0.000SPL3.170WPLTPS0.000BDMWT39.00MCG4.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.020Flotation Date01/01/2015MeasurerComment
SFFP0.426FFMFF0.980LCFcl4.323SG0.0000
SAFP7.503FAMFA0.790LCFsh4.502HBI0.875
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002L2CIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Expresso

NOR 21

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2022032811560.150.701.292.092.8018.8128/03/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2022032811570.070.000.871.630.003.298.90NoNo 14.8128/03/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1-2022032811579.009.009.005.705.7042.7528/03/2022
ORC Ref  03440002L2CIssued on 09/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org