Club
Certificate
2023

Boat

Kårstua

NOR 14784

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 Angles43.0°40.6°39.4°38.7°38.2°38.2°38.4°
Beat VMG3.293.994.474.724.834.894.91
52°4.995.876.446.736.846.916.96
60°5.236.106.636.917.057.127.20
75°5.386.276.777.087.317.467.62
90°5.546.496.937.137.417.678.05
110°5.636.667.197.587.858.088.49
120°5.476.557.157.628.068.459.00
135°4.896.066.867.367.868.379.56
150°4.165.246.166.777.147.478.21
Run VMG3.604.545.345.866.186.697.42
Gybe Angles144.8°147.8°147.8°149.2°150.2°173.9°175.7°

APH: 581.4

CDL: 8.324

GPH: 650.4

CertNo: 21630

BOAT
ClassElan 310 2.15DesignerHumphreys RobBuilderElanAge date01/2012Series date01/2009Offset fileELAN310IK.OFfData file21630
HULL
Length Overall9.250 mMaximum Beam3.198 mDraft2.167 mDisplacement3,933 kgDLR5.7751IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.455%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.340m
CREW
Maximum weight573 kgMinimum weight430 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.4331.09Headsail Luffed25.2425.24Headsail FlyingSymmetricAsymmetric94.1594.15 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.71Storm Jib7.59Heavy Weather Jib20.49
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  03440002HL8Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Kårstua

NOR 14784

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 VMG1095.0903.3805.9762.3745.4736.8733.8
52°722.0613.3559.0535.3526.1521.0517.0
60°688.0589.9543.3521.2510.8505.4500.3
75°669.4574.5531.5508.2492.7482.7472.7
90°650.3555.1519.7505.1486.1469.3447.4
110°639.2540.9501.0475.2458.4445.3424.3
120°658.6549.4503.5472.2446.4426.0400.0
135°735.6593.6525.0489.3458.0430.1376.6
150°865.0686.6584.4531.6504.5481.8438.4
Run VMG998.8792.9674.8613.9582.5538.2485.2
Selected Courses
Windward / Leeward1046.9848.1740.4688.1664.0637.5609.5
All purpose808.5667.6597.2562.2542.2525.3502.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward718.70.8349
All purpose581.41.0320
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7263
Downwind "popa"0.8962
70% up, 30% down "Ilhabela"0.7701
30% up, 70% down "Ilhabela-inverso"0.8375
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind632.50.9486
Predominantly Downwind584.41.0268
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low738.10.8129
Triple Number All Purpose Medium577.61.0387
Triple Number All Purpose High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind632.50.9486
Predominantly Downwind584.41.0268
Predominantly Upwind Low830.80.7222
Predominantly Upwind Medium656.00.9147
Predominantly Upwind High614.50.9764
Predominantly Downwind Low794.60.7551
Predominantly Downwind Medium579.21.0359
Predominantly Downwind High490.41.2236
Chicago-Mac Upwind0.9324
Chicago-Mac All Purpose0.9680
Chicago-Mac Downwind1.0104
Bayview-Mac Cove Island0.9016
Bayview-Mac Shore0.9063
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching550.61.0897
Predominantly Reaching Low665.90.9010
Predominantly Reaching Medium544.31.1024
Predominantly Reaching High479.71.2508
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1031.60.5816
5-Band Low / Medium868.60.6908
5-Band Medium701.90.8548
5-Band Medium / High641.60.9351
5-Band High614.30.9767
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance631.9
Triple Number Coastal/Long Distance Low738.1
Triple Number Coastal/Long Distance Medium577.6
Triple Number Coastal/Long Distance High521.1
Triple Number Windward/Leeward Low947.4
Triple Number Windward/Leeward Medium712.8
Triple Number Windward/Leeward High633.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0387
Triple Number Coastal/Long Distance High1.1514
Triple Number Windward/Leeward Low0.6333
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High0.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low738.1
Triple Number Coastal/Long Distance Medium577.6
Triple Number Coastal/Long Distance High521.1
Triple Number Windward/Leeward Low947.4
Triple Number Windward/Leeward Medium712.8
Triple Number Windward/Leeward High633.6
Predominantly Upwind632.5
Predominantly Downwind584.4
Predominantly Reaching561.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0387
Triple Number Coastal/Long Distance High1.1514
Triple Number Windward/Leeward Low0.6333
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High0.9469
Coastal/Long Distance0.9495
Predominantly Upwind0.9486
Predominantly Downwind1.0268
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8129
Tretall Distanseseilas Mellomvind1.0387
Tretall Distanseseilas Mye vind1.1514
Tretall Pølsebane Lite vind0.6333
Tretall Pølsebane Mellomvind0.8417
Tretall Pølsebane Mye vind0.9469
Distanseseilas ett tall (OSN 8-16kn)0.9495
Distanseseilas ett tall (APH 6-20kn)1.0320
Enkeltall Motvind0.9486
Enkeltall Medvind1.0268
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Coastal/Long Distance631.90.9495
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind632.50.9486
Predominantly Downwind584.41.0268
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore617.90.9710
Cape Doctor Coastal509.61.1775
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0387
Triple Number Coastal/Long Distance High1.1514
Triple Number Windward/Leeward Low0.6333
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High0.9469
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8129
Triple Number Coastal/Long Distance Medium1.0387
Triple Number Coastal/Long Distance High1.1514
Triple Number Windward/Leeward Low0.6333
Triple Number Windward/Leeward Medium0.8417
Triple Number Windward/Leeward High0.9469
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind632.50.9486
Predominantly Downwind584.41.0268
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance631.90.9495
Triple Number Coastal/Long Distance Low738.10.8129
Triple Number Coastal/Long Distance Medium577.61.0387
Triple Number Coastal/Long Distance High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1042.1797.5669.8600.0563.1530.1480.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low738.10.8129
Triple Number All Purpose Medium577.61.0387
Triple Number All Purpose High521.11.1514
Triple Number Windward/Leeward Low947.40.6333
Triple Number Windward/Leeward Medium712.80.8417
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind632.50.9486
Predominantly Downwind584.41.0268
Predominantly Upwind Low830.80.7222
Predominantly Upwind Medium656.00.9147
Predominantly Upwind High614.50.9764
Predominantly Downwind Low794.60.7551
Predominantly Downwind Medium579.21.0359
Predominantly Downwind High490.41.2236
Chicago-Mac Upwind0.9324
Chicago-Mac All Purpose0.9680
Chicago-Mac Downwind1.0104
Bayview-Mac Cove Island0.9016
Bayview-Mac Shore0.9063
Harvest Moon Regatta504.41.1895
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy614.50.9764
San Francisco Bay Medium701.10.8559
Predominantly Reaching550.61.0897
Predominantly Reaching Low665.90.9010
Predominantly Reaching Medium544.31.1024
Predominantly Reaching High479.71.2508
Windward/Leeward 60-40 Low957.80.6264
Windward/Leeward 60-40 Medium737.20.8139
Windward/Leeward 60-40 High669.10.8968
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1031.60.5816
5-Band Low / Medium868.60.6908
5-Band Medium701.90.8548
5-Band Medium / High641.60.9351
5-Band High614.30.9767
ORC Ref  03440002HL8Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Kårstua

NOR 14784

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElan 310 2.15MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.250Max. Beam3.198Draft2.167Displacement3,933Wetted area20.52IMS L8.975LSM08.798Acc. length9.250Sink (kg/mm) 16.13
VCGD0.160VCGM0.200RM Rated (kg·m) 72.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.340PBWPIPA0.0039
EDL1.870ST10.070ST20.180
ST30.180ST40.110ST50.350
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.050IG12.250ISP13.750MDT10.090MDL10.150MDT20.090MDL20.113TL2.330MW0.140GO0.160
E4.130J3.580BAS1.420FSDFoilSFJ0.000SPL0.000WPLTPS4.510BDMWT93.30MCG4.490
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.160Flotation Date01/01/2015MeasurerComment
SFFP0.375FFMFF1.266LCFcl5.293SG1.0050
SAFP9.161FAMFA0.984LCFsh5.509HBI1.124
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002HL8Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Kårstua

NOR 14784

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment306-2021110913280.340.991.662.723.4930.4328/02/2022Storseil 2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment601-2017022411020.070.611.192.183.083.8512.12NoNo 25.2424/02/2017Missing 3/4 width in options, Jwu (7/8 width) 1,185 M is 3/4
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment330-20180307131314.9812.2713.638.547.30117%94.1507/03/2018366-20130528225714.1612.6613.417.437.8994%84.0628/05/2013365-20130320113913.6812.1912.945.906.0098%63.8120/03/2013Ullman Sails A4 1.5oz
ORC Ref  03440002HL8Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org