Club
Certificate
Double Handed
2022

Boat

Tora

NOR 5801

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°41.1°41.8°41.4°41.1°40.8°41.2°
Beat VMG3.173.774.164.364.444.474.46
52°4.805.636.166.386.466.506.51
60°5.055.906.376.576.666.706.70
75°5.246.106.526.746.907.007.08
90°5.186.076.566.797.007.187.47
110°5.156.176.676.997.257.427.67
120°4.996.036.616.947.277.597.99
135°4.515.506.306.737.057.418.13
150°3.844.855.716.386.767.077.77
Run VMG3.334.204.965.666.256.657.26
Gybe Angles146.6°152.0°153.8°160.1°174.8°179.0°179.0°

APH: 621.3

CDL: 7.403

GPH: 694.2

CertNo: 4826

BOAT
ClassMAMBA 33DesignerBengt KarlssonBuilderBK Marin ABAge date01/1987Series date01/1984Offset fileScale_mamba33.offData file4826
HULL
Length Overall9.850 mMaximum Beam3.266 mDraft1.751 mDisplacement4,643 kgDLR7.8109IMS DivisionCruiser/RacerDynamic Allowance0.149%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.380m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.5430.13Headsail Luffed29.3129.31Headsail FlyingSymmetric61.7861.78Asymmetric
STORM SAIL AREAS (m²)
Trysail8.47Storm Jib7.23Heavy Weather Jib19.50
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment78.0 kg·mStability 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.

Club
Certificate
Double Handed
2022

Boat

Tora

NOR 5801

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 VMG1137.4954.5866.4826.6810.9805.6806.4
52°749.7639.4584.4564.3557.3554.2553.2
60°713.4610.1565.5548.0540.7537.1537.0
75°686.6590.5552.0533.9522.1514.5508.7
90°694.8593.0548.5530.4514.6501.3482.2
110°699.7583.9539.6515.4496.3485.2469.3
120°721.0597.3545.0518.6495.5474.1450.8
135°797.9654.3571.1535.3510.5485.9442.6
150°937.6742.5630.4564.2532.8509.4463.5
Run VMG1082.7856.2725.4635.8576.2541.2495.6
Selected Courses
Windward / Leeward1110.0905.3795.9731.2693.6673.4651.0
All purpose858.1711.6638.3600.2578.5564.7546.3
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward763.20.7862
All purpose621.30.9657
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.6766
Downwind "popa"0.8549
70% up, 30% down "Ilhabela"0.7217
30% up, 70% down "Ilhabela-inverso"0.7922
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Predominantly Upwind675.30.8885
Predominantly Downwind624.80.9604
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low784.80.7645
Triple Number All Purpose Medium616.80.9728
Triple Number All Purpose High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Predominantly Upwind675.30.8885
Predominantly Downwind624.80.9604
Predominantly Upwind Low876.40.6846
Predominantly Upwind Medium700.30.8567
Predominantly Upwind High665.00.9023
Predominantly Downwind Low854.10.7025
Predominantly Downwind Medium615.70.9746
Predominantly Downwind High518.41.1573
Chicago-Mac Upwind0.8732
Chicago-Mac All Purpose0.9060
Chicago-Mac Downwind0.9446
Bayview-Mac Cove Island0.8482
Bayview-Mac Shore0.8536
Victoria-Maui1.0134
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance675.6
Triple Number Coastal/Long Distance Low784.8
Triple Number Coastal/Long Distance Medium616.8
Triple Number Coastal/Long Distance High561.3
Triple Number Windward/Leeward Low1007.7
Triple Number Windward/Leeward Medium757.9
Triple Number Windward/Leeward High670.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7645
Triple Number Coastal/Long Distance Medium0.9728
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5954
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low784.8
Triple Number Coastal/Long Distance Medium616.8
Triple Number Coastal/Long Distance High561.3
Triple Number Windward/Leeward Low1007.7
Triple Number Windward/Leeward Medium757.9
Triple Number Windward/Leeward High670.0
Predominantly Upwind675.3
Predominantly Downwind624.8
Predominantly Reaching601.9
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7645
Triple Number Coastal/Long Distance Medium0.9728
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5954
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.8955
Coastal/Long Distance0.8881
Predominantly Upwind0.8885
Predominantly Downwind0.9604
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8881
Tretall Distanseseilas Lite vind0.7645
Tretall Distanseseilas Mellomvind0.9728
Tretall Distanseseilas Mye vind1.0690
Tretall Pølsebane Lite vind0.5954
Tretall Pølsebane Mellomvind0.7917
Tretall Pølsebane Mye vind0.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Coastal/Long Distance675.60.8881
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind675.30.8885
Predominantly Downwind624.80.9604
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore657.70.9123
Cape Doctor Coastal551.81.0873
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7645
Triple Number Coastal/Long Distance Medium0.9728
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5954
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.8955
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7645
Triple Number Coastal/Long Distance Medium0.9728
Triple Number Coastal/Long Distance High1.0690
Triple Number Windward/Leeward Low0.5954
Triple Number Windward/Leeward Medium0.7917
Triple Number Windward/Leeward High0.8955
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Predominantly Upwind675.30.8885
Predominantly Downwind624.80.9604
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance675.60.8881
Triple Number Coastal/Long Distance Low784.80.7645
Triple Number Coastal/Long Distance Medium616.80.9728
Triple Number Coastal/Long Distance High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1107.3851.4717.9641.0600.3569.1519.9
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low784.80.7645
Triple Number All Purpose Medium616.80.9728
Triple Number All Purpose High561.31.0690
Triple Number Windward/Leeward Low1007.70.5954
Triple Number Windward/Leeward Medium757.90.7917
Triple Number Windward/Leeward High670.00.8955
Predominantly Upwind675.30.8885
Predominantly Downwind624.80.9604
Predominantly Upwind Low876.40.6846
Predominantly Upwind Medium700.30.8567
Predominantly Upwind High665.00.9023
Predominantly Downwind Low854.10.7025
Predominantly Downwind Medium615.70.9746
Predominantly Downwind High518.41.1573
Chicago-Mac Upwind0.8732
Chicago-Mac All Purpose0.9060
Chicago-Mac Downwind0.9446
Bayview-Mac Cove Island0.8482
Bayview-Mac Shore0.8536
Harvest Moon Regatta548.61.0938
Victoria-Maui1.0134
5-Band
Windward/Leeward
Time On DistanceTime On Time
5-Band Low1094.30.5483
5-Band Low / Medium926.00.6480
5-Band Medium745.40.8050
5-Band Medium / High677.80.8852
5-Band High654.90.9162

Club
Certificate
Double Handed
2022

Boat

Tora

NOR 5801

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMAMBA 33MeasurementHINPlan reviewHull constructionLightAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.850Max. Beam3.266Draft1.751Displacement4,643Wetted area20.87IMS L8.279LSM08.407Acc. length9.850Sink (kg/mm) 15.21
VCGD0.075VCGM0.042RM Measured (kg·m) 78.0RM Default (kg·m) 73.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.380PBWPIPA0.0032
EDL0.600ST10.048ST20.170
ST30.170ST40.170ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P12.250IG11.936ISP11.915MDT10.115MDL10.180MDT20.115MDL20.155TL0.000MW0.180GO0.205
E3.947J3.705BAS1.450FSD0.000SFJ0.000SPL3.663WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyFlotation Date01/01/2015MeasurerComment
SFFP0.582FFMFF1.050LCFcl5.884SG1.0000
SAFP9.268FAMFA0.920LCFsh6.101HBI0.953
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Double Handed
2022

Boat

Tora

NOR 5801

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment400-2007042014400.150.001.562.633.3429.5420/04/2007
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment624-2021042221540.060.621.202.503.875.3511.37NoNo 29.3122/04/2021Gamle forseil, som ble trimmet i Italia og har derfor fått nye mål400-2007042014420.000.000.000.000.003.9811.45NoNo 23.2020/04/2007
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment398-20080526150011.1711.1711.170.006.5161.7826/05/2008315-20120504135211.3011.3011.306.286.2058.9904/05/2012