Club
Certificate
Double Handed
2023

Boat

Ambition

Sk 15

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 Angles42.6°41.7°41.4°41.8°42.3°43.5°43.2°
Beat VMG3.213.513.673.743.763.743.70
52°4.875.285.525.665.725.735.65
60°5.175.605.856.016.106.145.99
75°5.536.016.286.456.566.636.66
90°5.616.246.556.756.876.967.04
110°5.226.126.616.917.127.267.37
120°4.965.956.606.987.187.317.49
135°4.345.396.226.777.127.397.71
150°3.634.685.566.306.817.177.71
Run VMG3.154.064.865.626.286.787.43
Gybe Angles143.9°152.0°159.2°169.4°179.0°179.9°179.9°

APH: 660.8

CDL: 6.747

GPH: 729.5

CertNo: 8144

BOAT
Class7 m SDesignerJohan AnkerBuilderAnker & JensenAge date01/1918Series date01/1918Offset fileSK15_7meter_cl.offData file8144
HULL
Length Overall12.410 mMaximum Beam2.238 mDraft1.575 mDisplacement5,673 kgDLR10.3293IMS DivisionCruiser/RacerDynamic Allowance0.230%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail43.9447.25Headsail Luffed27.0927.09Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail13.74Storm Jib7.20Heavy Weather Jib19.44
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  03440002LELIssued on 11/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Ambition

Sk 15

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 VMG1122.71026.1980.6961.5957.6963.7972.2
52°739.7682.4652.5636.5629.2627.8637.6
60°696.1643.0615.0599.0590.4586.7600.7
75°651.0599.2573.4558.3548.8543.1540.9
90°642.0577.3549.2533.5523.8517.3511.4
110°690.0588.2544.5520.7505.7496.1488.7
120°725.6604.6545.2515.5501.1492.4480.8
135°829.1667.8578.8532.0505.3487.0467.1
150°990.4769.9647.3571.7528.8502.4467.0
Run VMG1143.6887.7740.3641.0573.1531.1484.5
Selected Courses
Windward / Leeward1133.2956.9860.5801.3765.3747.4728.4
All purpose858.7739.5677.4642.0622.4612.4603.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward829.10.7237
All purpose660.80.9079
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6013
Downwind "popa"0.8398
70% up, 30% down "Ilhabela"0.6573
30% up, 70% down "Ilhabela-inverso"0.7505
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Predominantly Upwind736.90.8143
Predominantly Downwind644.80.9305
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low799.10.7508
Triple Number All Purpose Medium657.00.9132
Triple Number All Purpose High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Predominantly Upwind736.90.8143
Predominantly Downwind644.80.9305
Predominantly Upwind Low897.70.6684
Predominantly Upwind Medium783.30.7660
Predominantly Upwind High768.30.7809
Predominantly Downwind Low881.30.6808
Predominantly Downwind Medium626.90.9571
Predominantly Downwind High526.71.1392
Chicago-Mac Upwind0.8008
Chicago-Mac All Purpose0.8539
Chicago-Mac Downwind0.9130
Bayview-Mac Cove Island0.8183
Bayview-Mac Shore0.8152
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching612.20.9801
Predominantly Reaching Low716.40.8375
Predominantly Reaching Medium602.60.9956
Predominantly Reaching High552.21.0865
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1119.60.5359
5-Band Low / Medium973.80.6161
5-Band Medium813.60.7375
5-Band Medium / High751.70.7982
5-Band High731.70.8200
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance722.9
Triple Number Coastal/Long Distance Low799.1
Triple Number Coastal/Long Distance Medium657.0
Triple Number Coastal/Long Distance High611.4
Triple Number Windward/Leeward Low1045.1
Triple Number Windward/Leeward Medium825.0
Triple Number Windward/Leeward High744.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium0.9132
Triple Number Coastal/Long Distance High0.9813
Triple Number Windward/Leeward Low0.5741
Triple Number Windward/Leeward Medium0.7273
Triple Number Windward/Leeward High0.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low799.1
Triple Number Coastal/Long Distance Medium657.0
Triple Number Coastal/Long Distance High611.4
Triple Number Windward/Leeward Low1045.1
Triple Number Windward/Leeward Medium825.0
Triple Number Windward/Leeward High744.8
Predominantly Upwind736.9
Predominantly Downwind644.8
Predominantly Reaching620.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium0.9132
Triple Number Coastal/Long Distance High0.9813
Triple Number Windward/Leeward Low0.5741
Triple Number Windward/Leeward Medium0.7273
Triple Number Windward/Leeward High0.8056
Coastal/Long Distance0.8300
Predominantly Upwind0.8143
Predominantly Downwind0.9305
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7508
Tretall Distanseseilas Mellomvind0.9132
Tretall Distanseseilas Mye vind0.9813
Tretall Pølsebane Lite vind0.5741
Tretall Pølsebane Mellomvind0.7273
Tretall Pølsebane Mye vind0.8056
Distanseseilas ett tall (OSN 8-16kn)0.8300
Distanseseilas ett tall (APH 6-20kn)0.9079
Enkeltall Motvind0.8143
Enkeltall Medvind0.9305
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Coastal/Long Distance722.90.8300
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind736.90.8143
Predominantly Downwind644.80.9305
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore734.10.8173
Cape Doctor Coastal605.90.9902
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium0.9132
Triple Number Coastal/Long Distance High0.9813
Triple Number Windward/Leeward Low0.5741
Triple Number Windward/Leeward Medium0.7273
Triple Number Windward/Leeward High0.8056
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7508
Triple Number Coastal/Long Distance Medium0.9132
Triple Number Coastal/Long Distance High0.9813
Triple Number Windward/Leeward Low0.5741
Triple Number Windward/Leeward Medium0.7273
Triple Number Windward/Leeward High0.8056
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Predominantly Upwind736.90.8143
Predominantly Downwind644.80.9305
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance722.90.8300
Triple Number Coastal/Long Distance Low799.10.7508
Triple Number Coastal/Long Distance Medium657.00.9132
Triple Number Coastal/Long Distance High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1134.2895.3768.7690.9646.8614.6565.0
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low799.10.7508
Triple Number All Purpose Medium657.00.9132
Triple Number All Purpose High611.40.9813
Triple Number Windward/Leeward Low1045.10.5741
Triple Number Windward/Leeward Medium825.00.7273
Triple Number Windward/Leeward High744.80.8056
Predominantly Upwind736.90.8143
Predominantly Downwind644.80.9305
Predominantly Upwind Low897.70.6684
Predominantly Upwind Medium783.30.7660
Predominantly Upwind High768.30.7809
Predominantly Downwind Low881.30.6808
Predominantly Downwind Medium626.90.9571
Predominantly Downwind High526.71.1392
Chicago-Mac Upwind0.8008
Chicago-Mac All Purpose0.8539
Chicago-Mac Downwind0.9130
Bayview-Mac Cove Island0.8183
Bayview-Mac Shore0.8152
Harvest Moon Regatta554.41.0823
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy739.00.8119
San Francisco Bay Medium817.80.7337
Predominantly Reaching612.20.9801
Predominantly Reaching Low716.40.8375
Predominantly Reaching Medium602.60.9956
Predominantly Reaching High552.21.0865
Windward/Leeward 60-40 Low1050.90.5709
Windward/Leeward 60-40 Medium875.00.6857
Windward/Leeward 60-40 High819.80.7319
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1119.60.5359
5-Band Low / Medium973.80.6161
5-Band Medium813.60.7375
5-Band Medium / High751.70.7982
5-Band High731.70.8200
ORC Ref  03440002LELIssued on 11/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Ambition

Sk 15

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
Class7 m SMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.410Max. Beam2.238Draft1.575Displacement5,673Wetted area21.73IMS L8.671LSM08.188Acc. length7.274Sink (kg/mm) 13.59
VCGD-0.020VCGM0.019RM Rated (kg·m) 28.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0078
APH0.000APT0.000APB0.000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.390IG12.000ISP12.000MDT10.150MDL10.300MDT20.000MDL20.000TL0.000MW0.000GO0.000
E5.860J4.230BAS1.200FSD0.000SFJ0.000SPL4.315WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.020Flotation Date01/01/2015MeasurerComment
SFFP0.771FFMFF0.600LCFcl6.211SG0.0000
SAFP11.034FAMFA0.590LCFsh6.308HBI0.553
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002LELIssued on 11/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Ambition

Sk 15

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment454-2013060518500.081.191.993.474.6243.9410/08/2010
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment8144-2004012412010.000.000.000.000.005.2710.10NoNo 27.0901/01/1753
ORC Ref  03440002LELIssued on 11/05/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org