Club
Certificate
Double Handed
2022

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.0°40.8°42.3°43.0°43.0°43.8°43.3°
Beat VMG3.043.553.823.964.044.074.15
52°4.575.335.816.016.126.176.23
60°4.795.626.096.306.406.456.47
75°4.975.866.316.546.686.776.84
90°4.915.826.336.596.776.937.15
110°4.955.986.466.646.786.867.17
120°4.835.896.476.776.947.087.26
135°4.425.446.236.636.937.247.76
150°3.814.775.666.306.666.947.55
Run VMG3.304.144.915.586.146.537.08
Gybe Angles146.9°151.6°152.0°159.2°173.6°178.4°179.0°

APH: 651.7

CDL: 6.516

GPH: 725.9

CertNo:

BOAT
ClassBotnia 6 HRDesignerBuilderAge date01/1976Series date10/1970Offset fileBotnia6CL.offData fileFIN873
HULL
Length Overall10.500 mMaximum Beam2.300 mDraft1.636 mDisplacement4,350 kgDLR10.0789IMS DivisionDynamic Allowance0.458%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 3 bladesDiameter0.200m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.8921.48Headsail Luffed29.2629.26Headsail FlyingSymmetric63.2663.26Asymmetric
STORM SAIL AREAS (m²)
Trysail5.84Storm Jib6.72Heavy Weather Jib18.14
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment34.9 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.
ORC Ref  041400023L4Issued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1183.71013.3943.2908.9892.1885.3867.6
52°787.7675.5620.1598.7588.6583.5578.1
60°751.2640.6591.0571.3562.6558.0556.4
75°723.9614.5570.6550.8538.8532.1526.1
90°733.7618.6568.7546.3531.6519.8503.8
110°727.0602.0556.9542.0531.2524.8502.4
120°745.2611.6556.8531.6518.4508.2495.8
135°813.7662.2578.0543.0519.4497.6463.7
150°944.2754.0636.4571.3540.9518.5476.5
Run VMG1090.3869.7733.8644.7586.6551.5508.2
Selected Courses
Windward / Leeward1137.0941.5838.5776.8739.3718.4687.9
All purpose886.9739.3667.5631.0610.4597.7576.6
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward805.80.7446
All purpose651.70.9206
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.6274
Downwind "popa"0.8426
70% up, 30% down "Ilhabela"0.6795
30% up, 70% down "Ilhabela-inverso"0.7640
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Predominantly Upwind715.20.8389
Predominantly Downwind643.70.9321
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low813.00.7380
Triple Number All Purpose Medium647.00.9273
Triple Number All Purpose High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Predominantly Upwind715.20.8389
Predominantly Downwind643.70.9321
Predominantly Upwind Low915.20.6556
Predominantly Upwind Medium751.50.7984
Predominantly Upwind High712.60.8420
Predominantly Downwind Low874.40.6862
Predominantly Downwind Medium628.50.9547
Predominantly Downwind High534.21.1231
Chicago-Mac Upwind0.8240
Chicago-Mac All Purpose0.8672
Chicago-Mac Downwind0.9171
Bayview-Mac Cove Island0.8145
Bayview-Mac Shore0.8167
Victoria-Maui0.9848
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance709.0
Triple Number Coastal/Long Distance Low813.0
Triple Number Coastal/Long Distance Medium647.0
Triple Number Coastal/Long Distance High592.9
Triple Number Windward/Leeward Low1039.1
Triple Number Windward/Leeward Medium801.7
Triple Number Windward/Leeward High712.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7380
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0119
Triple Number Windward/Leeward Low0.5774
Triple Number Windward/Leeward Medium0.7484
Triple Number Windward/Leeward High0.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low813.0
Triple Number Coastal/Long Distance Medium647.0
Triple Number Coastal/Long Distance High592.9
Triple Number Windward/Leeward Low1039.1
Triple Number Windward/Leeward Medium801.7
Triple Number Windward/Leeward High712.2
Predominantly Upwind715.2
Predominantly Downwind643.7
Predominantly Reaching622.5
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7380
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0119
Triple Number Windward/Leeward Low0.5774
Triple Number Windward/Leeward Medium0.7484
Triple Number Windward/Leeward High0.8425
Coastal/Long Distance0.8463
Predominantly Upwind0.8389
Predominantly Downwind0.9321
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8463
Tretall Distanseseilas Lite vind0.7380
Tretall Distanseseilas Mellomvind0.9273
Tretall Distanseseilas Mye vind1.0119
Tretall Pølsebane Lite vind0.5774
Tretall Pølsebane Mellomvind0.7484
Tretall Pølsebane Mye vind0.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Coastal/Long Distance709.00.8463
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind715.20.8389
Predominantly Downwind643.70.9321
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore697.00.8608
Cape Doctor Coastal582.91.0293
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7380
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0119
Triple Number Windward/Leeward Low0.5774
Triple Number Windward/Leeward Medium0.7484
Triple Number Windward/Leeward High0.8425
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7380
Triple Number Coastal/Long Distance Medium0.9273
Triple Number Coastal/Long Distance High1.0119
Triple Number Windward/Leeward Low0.5774
Triple Number Windward/Leeward Medium0.7484
Triple Number Windward/Leeward High0.8425
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Predominantly Upwind715.20.8389
Predominantly Downwind643.70.9321
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance709.00.8463
Triple Number Coastal/Long Distance Low813.00.7380
Triple Number Coastal/Long Distance Medium647.00.9273
Triple Number Coastal/Long Distance High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1132.3884.4753.0675.1633.1601.2549.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low813.00.7380
Triple Number All Purpose Medium647.00.9273
Triple Number All Purpose High592.91.0119
Triple Number Windward/Leeward Low1039.10.5774
Triple Number Windward/Leeward Medium801.70.7484
Triple Number Windward/Leeward High712.20.8425
Predominantly Upwind715.20.8389
Predominantly Downwind643.70.9321
Predominantly Upwind Low915.20.6556
Predominantly Upwind Medium751.50.7984
Predominantly Upwind High712.60.8420
Predominantly Downwind Low874.40.6862
Predominantly Downwind Medium628.50.9547
Predominantly Downwind High534.21.1231
Chicago-Mac Upwind0.8240
Chicago-Mac All Purpose0.8672
Chicago-Mac Downwind0.9171
Bayview-Mac Cove Island0.8145
Bayview-Mac Shore0.8167
Harvest Moon Regatta570.31.0521
Victoria-Maui0.9848
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1121.90.5348
5-Band Low / Medium961.60.6240
5-Band Medium789.60.7598
5-Band Medium / High721.60.8315
5-Band High693.20.8656
ORC Ref  041400023L4Issued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBotnia 6 HRMeasurementHINPlan reviewHull constructionAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.500Max. Beam2.300Draft1.636Displacement4,350Wetted area18.99IMS L7.634LSM07.556Acc. length7.475Sink (kg/mm) 10.93
VCGD-0.233VCGM-0.192RM Measured (kg·m) 34.9RM Default (kg·m) 34.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.200PBWPIPA0.0019
APHAPTAPB
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P10.420IG11.590ISP12.140MDT10.126MDL10.175MDT2MDL2TLTaperMWGO
E3.200J3.550BAS1.200FSDNo FoilSFJ0.460SPL3.465WPLTPS0.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date11/03/2020MeasurerComment
SFFP0.567FFMFF1.104LCFcl5.431SG
SAFP9.449FAMFA0.687LCFsh5.566HBI0.831
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  041400023L4Issued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2022

Boat

Cascade

FIN873

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment10.270.811.332.152.8020.89
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialCommentG1 25.2610.93NoNo 29.26Unknown
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment111.3011.3011.306.8063.26
ORC Ref  041400023L4Issued on 26/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org