Club
Certificate
Double Handed
2022

Boat

So What IV

NOR 12815

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 Angles43.2°41.8°40.8°40.6°40.2°40.2°40.2°
Beat VMG3.404.164.714.985.095.125.24
52°5.216.246.987.297.397.447.58
60°5.516.557.237.537.647.697.81
75°5.766.797.427.747.938.048.06
90°5.887.057.617.808.058.318.66
110°5.907.127.748.148.448.679.02
120°5.726.947.658.098.559.009.55
135°5.146.347.287.808.238.729.82
150°4.355.496.477.257.748.149.04
Run VMG3.774.765.616.346.987.538.30
Gybe Angles143.9°147.8°148.4°155.6°165.8°177.2°178.1°

APH: 544.3

CDL: 9.695

GPH: 611.5

CertNo: 20535

BOAT
ClassArcona 400DesignerStefan QvibergBuilderArcona YachtsAge date01/2008Series date01/2001Offset fileARC40.OFFData file20535
HULL
Length Overall11.995 mMaximum Beam3.794 mDraft2.111 mDisplacement7,746 kgDLR5.6898IMS DivisionCruiser/RacerDynamic Allowance0.197%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0000
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail48.6949.53Headsail Luffed29.0329.03Headsail FlyingSymmetricAsymmetric98.0598.05 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.83Storm Jib12.65Heavy Weather Jib34.13
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment196.8 kg·mStability IndexN/A
COMMENTS
Forenklet
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
Double Handed
2022

Boat

So What IV

NOR 12815

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 VMG1058.1865.1764.9722.5707.9703.3687.1
52°691.5577.1516.0493.9486.9483.9475.0
60°653.1549.9497.6478.2471.3468.1460.9
75°624.8529.9485.4465.3453.8447.5446.7
90°612.4510.7473.2461.8447.0433.3415.7
110°610.6506.0465.1442.3426.5415.3399.3
120°629.4518.8470.9445.3421.3400.1376.9
135°699.9567.5494.6461.6437.6412.9366.5
150°827.8655.5556.0496.5464.9442.5398.0
Run VMG955.9756.9642.0567.8515.6478.4433.6
Selected Courses
Windward / Leeward1007.0811.0703.5645.2611.7590.9560.3
All purpose773.0632.0559.8524.4503.9490.2467.5
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward675.10.8887
All purpose544.31.1023
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7624
Downwind "popa"0.9655
70% up, 30% down "Ilhabela"0.8138
30% up, 70% down "Ilhabela-inverso"0.8940
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Predominantly Upwind594.61.0091
Predominantly Downwind547.71.0955
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low702.50.8541
Triple Number All Purpose Medium540.11.1110
Triple Number All Purpose High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Predominantly Upwind594.61.0091
Predominantly Downwind547.71.0955
Predominantly Upwind Low794.50.7552
Predominantly Upwind Medium615.60.9746
Predominantly Upwind High575.81.0420
Predominantly Downwind Low757.90.7917
Predominantly Downwind Medium540.51.1100
Predominantly Downwind High450.11.3330
Chicago-Mac Upwind0.9920
Chicago-Mac All Purpose1.0309
Chicago-Mac Downwind1.0772
Bayview-Mac Cove Island0.9567
Bayview-Mac Shore0.9624
Victoria-Maui1.1560
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance594.1
Triple Number Coastal/Long Distance Low702.5
Triple Number Coastal/Long Distance Medium540.1
Triple Number Coastal/Long Distance High485.1
Triple Number Windward/Leeward Low909.0
Triple Number Windward/Leeward Medium670.0
Triple Number Windward/Leeward High584.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8541
Triple Number Coastal/Long Distance Medium1.1110
Triple Number Coastal/Long Distance High1.2368
Triple Number Windward/Leeward Low0.6601
Triple Number Windward/Leeward Medium0.8955
Triple Number Windward/Leeward High1.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low702.5
Triple Number Coastal/Long Distance Medium540.1
Triple Number Coastal/Long Distance High485.1
Triple Number Windward/Leeward Low909.0
Triple Number Windward/Leeward Medium670.0
Triple Number Windward/Leeward High584.6
Predominantly Upwind594.6
Predominantly Downwind547.7
Predominantly Reaching525.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8541
Triple Number Coastal/Long Distance Medium1.1110
Triple Number Coastal/Long Distance High1.2368
Triple Number Windward/Leeward Low0.6601
Triple Number Windward/Leeward Medium0.8955
Triple Number Windward/Leeward High1.0263
Coastal/Long Distance1.0100
Predominantly Upwind1.0091
Predominantly Downwind1.0955
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0100
Tretall Distanseseilas Lite vind0.8541
Tretall Distanseseilas Mellomvind1.1110
Tretall Distanseseilas Mye vind1.2368
Tretall Pølsebane Lite vind0.6601
Tretall Pølsebane Mellomvind0.8955
Tretall Pølsebane Mye vind1.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Coastal/Long Distance594.11.0100
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind594.61.0091
Predominantly Downwind547.71.0955
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore569.51.0536
Cape Doctor Coastal474.31.2650
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8541
Triple Number Coastal/Long Distance Medium1.1110
Triple Number Coastal/Long Distance High1.2368
Triple Number Windward/Leeward Low0.6601
Triple Number Windward/Leeward Medium0.8955
Triple Number Windward/Leeward High1.0263
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8541
Triple Number Coastal/Long Distance Medium1.1110
Triple Number Coastal/Long Distance High1.2368
Triple Number Windward/Leeward Low0.6601
Triple Number Windward/Leeward Medium0.8955
Triple Number Windward/Leeward High1.0263
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Predominantly Upwind594.61.0091
Predominantly Downwind547.71.0955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance594.11.0100
Triple Number Coastal/Long Distance Low702.50.8541
Triple Number Coastal/Long Distance Medium540.11.1110
Triple Number Coastal/Long Distance High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1001.9760.5632.2561.1523.2493.5444.4
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low702.50.8541
Triple Number All Purpose Medium540.11.1110
Triple Number All Purpose High485.11.2368
Triple Number Windward/Leeward Low909.00.6601
Triple Number Windward/Leeward Medium670.00.8955
Triple Number Windward/Leeward High584.61.0263
Predominantly Upwind594.61.0091
Predominantly Downwind547.71.0955
Predominantly Upwind Low794.50.7552
Predominantly Upwind Medium615.60.9746
Predominantly Upwind High575.81.0420
Predominantly Downwind Low757.90.7917
Predominantly Downwind Medium540.51.1100
Predominantly Downwind High450.11.3330
Chicago-Mac Upwind0.9920
Chicago-Mac All Purpose1.0309
Chicago-Mac Downwind1.0772
Bayview-Mac Cove Island0.9567
Bayview-Mac Shore0.9624
Harvest Moon Regatta475.81.2610
Victoria-Maui1.1560
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low991.90.6049
5-Band Low / Medium830.30.7226
5-Band Medium658.50.9111
5-Band Medium / High593.81.0105
5-Band High565.61.0608

Club
Certificate
Double Handed
2022

Boat

So What IV

NOR 12815

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassArcona 400MeasurementHINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.995Max. Beam3.794Draft2.111Displacement7,746Wetted area31.31IMS L10.848LSM011.082Acc. length11.995Sink (kg/mm) 24.28
VCGD-0.055VCGM0.099RM Measured (kg·m) 196.8RM Default (kg·m) 196.8Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3
P15.400IG15.900ISP16.120MDT10.110MDL10.230MDT20.000MDL20.000TLTaperMW0.000GO0.000
E5.500J4.250BAS1.660FSDFoilSFJ0.000SPL4.386WPLTPS5.160BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date01/01/2015MeasurerComment
SFFP0.455FFMFF1.395LCFcl6.740SG0.0000
SAFP11.346FAMFA1.066LCFsh6.996HBI1.257
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Double Handed
2022

Boat

So What IV

NOR 12815

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment365-2021070715550.161.091.953.384.4748.6907/07/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment365-2021070715570.070.571.051.942.803.6115.29NoNo 29.0307/07/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment365-20210505150717.0014.7315.877.397.5298%98.0505/05/2021