Club
Certificate
Non Spinnaker
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 VMG3.293.994.474.724.834.884.90
52°4.995.876.446.736.846.916.96
60°5.246.116.636.917.057.127.19
75°5.386.276.777.097.317.467.61
90°5.266.206.777.127.417.678.05
110°4.685.736.506.997.367.728.42
120°4.415.466.286.847.227.598.35
135°3.864.915.776.456.927.288.01
150°3.284.225.065.786.376.817.48
Run VMG2.843.694.535.285.956.507.25
Gybe Angles145.1°169.4°171.2°173.0°174.8°176.6°177.5°

APH: 616.4

CDL: 8.321

GPH: 696.9

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 Allowance0.280%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 FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail8.71Storm Jib7.59Heavy Weather Jib20.49
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
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  03440002HM3Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 VMG1094.5902.9805.8762.5745.6737.2734.3
52°721.6613.0558.9535.3526.2521.1517.2
60°687.7589.6543.2521.1510.9505.4500.5
75°669.0574.3531.4508.1492.7482.7472.8
90°684.7580.9531.9505.8485.9469.2447.3
110°769.2628.8553.7515.1489.2466.2427.8
120°816.3658.9572.8526.6498.5474.1431.1
135°933.2733.3624.0557.7520.1494.4449.7
150°1097.5853.7711.6623.4564.9528.6481.4
Run VMG1267.3974.4794.7682.2605.6553.6496.7
Selected Courses
Windward / Leeward1180.9938.7800.2722.3675.6645.4615.5
All purpose901.9732.7641.3591.3561.7541.8516.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward760.10.7894
All purpose616.40.9734
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7263
Downwind "popa"0.7815
70% up, 30% down "Ilhabela"0.7420
30% up, 70% down "Ilhabela-inverso"0.7641
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Predominantly Upwind652.50.9196
Predominantly Downwind645.20.9299
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low817.30.7341
Triple Number All Purpose Medium612.40.9798
Triple Number All Purpose High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Predominantly Upwind652.50.9196
Predominantly Downwind645.20.9299
Predominantly Upwind Low872.90.6874
Predominantly Upwind Medium661.00.9077
Predominantly Upwind High617.20.9721
Predominantly Downwind Low940.30.6381
Predominantly Downwind Medium649.20.9242
Predominantly Downwind High519.41.1551
Chicago-Mac Upwind0.9032
Chicago-Mac All Purpose0.9061
Chicago-Mac Downwind0.9106
Bayview-Mac Cove Island0.8414
Bayview-Mac Shore0.8600
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching585.01.0256
Predominantly Reaching Low745.00.8054
Predominantly Reaching Medium583.91.0276
Predominantly Reaching High503.71.1913
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.20.5162
5-Band Low / Medium960.60.6246
5-Band Medium739.10.8118
5-Band Medium / High651.90.9203
5-Band High620.70.9667
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance674.5
Triple Number Coastal/Long Distance Low817.3
Triple Number Coastal/Long Distance Medium612.4
Triple Number Coastal/Long Distance High537.4
Triple Number Windward/Leeward Low1059.7
Triple Number Windward/Leeward Medium754.6
Triple Number Windward/Leeward High641.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7341
Triple Number Coastal/Long Distance Medium0.9798
Triple Number Coastal/Long Distance High1.1165
Triple Number Windward/Leeward Low0.5662
Triple Number Windward/Leeward Medium0.7951
Triple Number Windward/Leeward High0.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low817.3
Triple Number Coastal/Long Distance Medium612.4
Triple Number Coastal/Long Distance High537.4
Triple Number Windward/Leeward Low1059.7
Triple Number Windward/Leeward Medium754.6
Triple Number Windward/Leeward High641.7
Predominantly Upwind652.5
Predominantly Downwind645.2
Predominantly Reaching607.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7341
Triple Number Coastal/Long Distance Medium0.9798
Triple Number Coastal/Long Distance High1.1165
Triple Number Windward/Leeward Low0.5662
Triple Number Windward/Leeward Medium0.7951
Triple Number Windward/Leeward High0.9350
Coastal/Long Distance0.8895
Predominantly Upwind0.9196
Predominantly Downwind0.9299
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7341
Tretall Distanseseilas Mellomvind0.9798
Tretall Distanseseilas Mye vind1.1165
Tretall Pølsebane Lite vind0.5662
Tretall Pølsebane Mellomvind0.7951
Tretall Pølsebane Mye vind0.9350
Distanseseilas ett tall (OSN 8-16kn)0.8895
Distanseseilas ett tall (APH 6-20kn)0.9734
Enkeltall Motvind0.9196
Enkeltall Medvind0.9299
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Coastal/Long Distance674.50.8895
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind652.50.9196
Predominantly Downwind645.20.9299
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore624.50.9608
Cape Doctor Coastal524.31.1443
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7341
Triple Number Coastal/Long Distance Medium0.9798
Triple Number Coastal/Long Distance High1.1165
Triple Number Windward/Leeward Low0.5662
Triple Number Windward/Leeward Medium0.7951
Triple Number Windward/Leeward High0.9350
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7341
Triple Number Coastal/Long Distance Medium0.9798
Triple Number Coastal/Long Distance High1.1165
Triple Number Windward/Leeward Low0.5662
Triple Number Windward/Leeward Medium0.7951
Triple Number Windward/Leeward High0.9350
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Predominantly Upwind652.50.9196
Predominantly Downwind645.20.9299
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance674.50.8895
Triple Number Coastal/Long Distance Low817.30.7341
Triple Number Coastal/Long Distance Medium612.40.9798
Triple Number Coastal/Long Distance High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1189.5885.1723.2632.3584.2548.4493.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low817.30.7341
Triple Number All Purpose Medium612.40.9798
Triple Number All Purpose High537.41.1165
Triple Number Windward/Leeward Low1059.70.5662
Triple Number Windward/Leeward Medium754.60.7951
Triple Number Windward/Leeward High641.70.9350
Predominantly Upwind652.50.9196
Predominantly Downwind645.20.9299
Predominantly Upwind Low872.90.6874
Predominantly Upwind Medium661.00.9077
Predominantly Upwind High617.20.9721
Predominantly Downwind Low940.30.6381
Predominantly Downwind Medium649.20.9242
Predominantly Downwind High519.41.1551
Chicago-Mac Upwind0.9032
Chicago-Mac All Purpose0.9061
Chicago-Mac Downwind0.9106
Bayview-Mac Cove Island0.8414
Bayview-Mac Shore0.8600
Harvest Moon Regatta533.21.1253
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy632.70.9484
San Francisco Bay Medium750.30.7997
Predominantly Reaching585.01.0256
Predominantly Reaching Low745.00.8054
Predominantly Reaching Medium583.91.0276
Predominantly Reaching High503.71.1913
Windward/Leeward 60-40 Low1047.60.5728
Windward/Leeward 60-40 Medium764.90.7845
Windward/Leeward 60-40 High674.50.8895
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1162.20.5162
5-Band Low / Medium960.60.6246
5-Band Medium739.10.8118
5-Band Medium / High651.90.9203
5-Band High620.70.9667
ORC Ref  03440002HM3Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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 L8.971LSM08.798Acc. 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  03440002HM3Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
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
ORC Ref  03440002HM3Issued on 11/04/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org