Club
Certificate
Non Spinnaker
2023

Boat

Sheeba

NOR 3950

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 Angles43.6°41.7°40.6°40.6°40.6°40.6°40.8°
Beat VMG2.843.443.864.114.214.274.28
52°4.355.145.675.966.106.176.22
60°4.585.365.866.146.296.366.42
75°4.715.526.026.306.486.606.71
90°4.615.456.016.336.556.716.94
110°4.175.115.836.286.566.797.16
120°3.984.925.676.176.496.747.17
135°3.544.505.265.876.276.557.01
150°3.053.984.765.415.946.306.79
Run VMG2.643.464.194.855.435.916.52
Gybe Angles150.2°155.0°164.0°171.2°174.8°178.4°179.3°

APH: 690.2

CDL: 6.746

GPH: 780.3

CertNo: 676176

BOAT
ClassHR 312DesignerEnderleinBuilderHallberg RassyAge date01/1982Series date01/1979Offset fileCLHR312.offData file676176
HULL
Length Overall9.420 mMaximum Beam3.090 mDraft1.604 mDisplacement5,000 kgDLR11.4262IMS DivisionCruiser/RacerDynamic Allowance0.670%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.380m
CREW
Maximum weight465 kgMinimum weight348 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.5421.82Headsail Luffed30.6430.64Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.62Storm Jib7.54Heavy Weather Jib20.36
SAIL LIMITS
Headsails5  Spinnakers0 * 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  03440002MF3Issued on 23/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Sheeba

NOR 3950

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 VMG1267.31045.4932.0876.7855.4843.9840.2
52°826.7699.8635.1603.8590.0583.7579.2
60°785.3671.0614.2586.6572.7566.4561.1
75°764.9652.5598.1571.4555.5545.6536.8
90°780.8661.1599.0568.6549.9536.3518.5
110°863.0704.6617.5573.5548.7530.4502.5
120°905.0731.1634.9583.2554.6534.4501.9
135°1016.1800.4684.6613.3573.9549.6513.4
150°1179.1904.6757.0665.1605.7571.1530.4
Run VMG1361.21040.0858.5743.0663.3608.6552.1
Selected Courses
Windward / Leeward1314.31042.7895.2809.9759.3726.3696.1
All purpose1010.3818.8716.9660.7629.2609.5588.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward851.30.7048
All purpose690.20.8693
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6305
Downwind "popa"0.7208
70% up, 30% down "Ilhabela"0.6552
30% up, 70% down "Ilhabela-inverso"0.6911
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Predominantly Upwind737.80.8132
Predominantly Downwind713.20.8413
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low914.50.6561
Triple Number All Purpose Medium684.80.8762
Triple Number All Purpose High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Predominantly Upwind737.80.8132
Predominantly Downwind713.20.8413
Predominantly Upwind Low991.80.6050
Predominantly Upwind Medium753.80.7960
Predominantly Upwind High701.70.8551
Predominantly Downwind Low1028.80.5832
Predominantly Downwind Medium711.80.8430
Predominantly Downwind High579.41.0355
Chicago-Mac Upwind0.7975
Chicago-Mac All Purpose0.8094
Chicago-Mac Downwind0.8237
Bayview-Mac Cove Island0.7503
Bayview-Mac Shore0.7636
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching655.40.9155
Predominantly Reaching Low832.30.7209
Predominantly Reaching Medium652.00.9203
Predominantly Reaching High568.01.0564
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1293.30.4639
5-Band Low / Medium1069.50.5610
5-Band Medium828.00.7246
5-Band Medium / High733.80.8176
5-Band High701.30.8555
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance752.9
Triple Number Coastal/Long Distance Low914.5
Triple Number Coastal/Long Distance Medium684.8
Triple Number Coastal/Long Distance High606.4
Triple Number Windward/Leeward Low1178.6
Triple Number Windward/Leeward Medium845.1
Triple Number Windward/Leeward High723.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6561
Triple Number Coastal/Long Distance Medium0.8762
Triple Number Coastal/Long Distance High0.9895
Triple Number Windward/Leeward Low0.5091
Triple Number Windward/Leeward Medium0.7100
Triple Number Windward/Leeward High0.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low914.5
Triple Number Coastal/Long Distance Medium684.8
Triple Number Coastal/Long Distance High606.4
Triple Number Windward/Leeward Low1178.6
Triple Number Windward/Leeward Medium845.1
Triple Number Windward/Leeward High723.2
Predominantly Upwind737.8
Predominantly Downwind713.2
Predominantly Reaching677.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6561
Triple Number Coastal/Long Distance Medium0.8762
Triple Number Coastal/Long Distance High0.9895
Triple Number Windward/Leeward Low0.5091
Triple Number Windward/Leeward Medium0.7100
Triple Number Windward/Leeward High0.8296
Coastal/Long Distance0.7969
Predominantly Upwind0.8132
Predominantly Downwind0.8413
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6561
Tretall Distanseseilas Mellomvind0.8762
Tretall Distanseseilas Mye vind0.9895
Tretall Pølsebane Lite vind0.5091
Tretall Pølsebane Mellomvind0.7100
Tretall Pølsebane Mye vind0.8296
Distanseseilas ett tall (OSN 8-16kn)0.7969
Distanseseilas ett tall (APH 6-20kn)0.8693
Enkeltall Motvind0.8132
Enkeltall Medvind0.8413
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Coastal/Long Distance752.90.7969
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind737.80.8132
Predominantly Downwind713.20.8413
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore705.20.8508
Cape Doctor Coastal594.51.0093
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6561
Triple Number Coastal/Long Distance Medium0.8762
Triple Number Coastal/Long Distance High0.9895
Triple Number Windward/Leeward Low0.5091
Triple Number Windward/Leeward Medium0.7100
Triple Number Windward/Leeward High0.8296
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6561
Triple Number Coastal/Long Distance Medium0.8762
Triple Number Coastal/Long Distance High0.9895
Triple Number Windward/Leeward Low0.5091
Triple Number Windward/Leeward Medium0.7100
Triple Number Windward/Leeward High0.8296
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Predominantly Upwind737.80.8132
Predominantly Downwind713.20.8413
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance752.90.7969
Triple Number Coastal/Long Distance Low914.50.6561
Triple Number Coastal/Long Distance Medium684.80.8762
Triple Number Coastal/Long Distance High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1318.9982.6807.8706.5653.6615.9561.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low914.50.6561
Triple Number All Purpose Medium684.80.8762
Triple Number All Purpose High606.40.9895
Triple Number Windward/Leeward Low1178.60.5091
Triple Number Windward/Leeward Medium845.10.7100
Triple Number Windward/Leeward High723.20.8296
Predominantly Upwind737.80.8132
Predominantly Downwind713.20.8413
Predominantly Upwind Low991.80.6050
Predominantly Upwind Medium753.80.7960
Predominantly Upwind High701.70.8551
Predominantly Downwind Low1028.80.5832
Predominantly Downwind Medium711.80.8430
Predominantly Downwind High579.41.0355
Chicago-Mac Upwind0.7975
Chicago-Mac All Purpose0.8094
Chicago-Mac Downwind0.8237
Bayview-Mac Cove Island0.7503
Bayview-Mac Shore0.7636
Harvest Moon Regatta596.01.0067
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy713.50.8409
San Francisco Bay Medium840.00.7143
Predominantly Reaching655.40.9155
Predominantly Reaching Low832.30.7209
Predominantly Reaching Medium652.00.9203
Predominantly Reaching High568.01.0564
Windward/Leeward 60-40 Low1174.10.5110
Windward/Leeward 60-40 Medium865.10.6935
Windward/Leeward 60-40 High764.80.7845
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1293.30.4639
5-Band Low / Medium1069.50.5610
5-Band Medium828.00.7246
5-Band Medium / High733.80.8176
5-Band High701.30.8555
ORC Ref  03440002MF3Issued on 23/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Sheeba

NOR 3950

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHR 312MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.420Max. Beam3.090Draft1.604Displacement5,000Wetted area22.68IMS L7.690LSM07.591Acc. length9.420Sink (kg/mm) 13.89
VCGD0.000VCGM0.021RM Rated (kg·m) 63.3Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0034
EDL0.700ST10.050ST20.170
ST30.170ST40.100ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P10.800IG12.280ISP12.380MDT10.130MDL10.160MDT20.000MDL20.000TLNo TaperMW0.000GO0.000
E3.500J4.030BAS1.380FSDFoilSFJ0.000SPL4.050WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.000Flotation Date01/01/2015MeasurerComment
SFFP0.874FFMFF1.204LCFcl5.405SG0.0000
SAFP9.147FAMFA0.956LCFsh5.633HBI1.012
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002MF3Issued on 23/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Sheeba

NOR 3950

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment372-2022090520160.130.691.242.122.8021.5405/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment372-2022090520180.040.581.162.493.905.5111.80NoNo 30.6402/09/2022
ORC Ref  03440002MF3Issued on 23/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org