Club
Certificate
2021

Boat

AURORA

EST575

 
Offshore
Racing
Congress

Certificate number: 172/21
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.0°41.6°41.8°40.1°39.8°39.4°39.9°
Beat VMG3.013.533.954.224.314.364.35
52°4.545.335.786.006.116.166.19
60°4.785.585.946.136.266.346.40
75°4.965.726.056.256.436.586.77
90°4.905.706.136.376.506.697.03
110°4.895.826.246.546.837.077.32
120°4.745.726.196.506.827.137.57
135°4.365.315.986.316.616.947.55
150°3.774.675.496.036.326.607.19
Run VMG3.274.054.775.415.926.246.78
Gybe Angles148.5°152.0°152.0°168.0°180.0°180.0°180.0°

GPH = 730.0

CDL = 6.525

BOAT
ClassCOMPIS 28𝕚DesignerBuilderKarlstadAge Date01/1974Series Date01/1968Offset Filee186.bof
HULL
Length Overall8.560 mMaximum Beam2.920 mDraft1.563 mDisplacement3,100 kgDLR9.0887IMS DivisionCruiser/RacerDynamic Allowance0.281%Age Allowance0.487%
PROPELLER
InstallationShaft exposed𝕚TypeFolding 2 blades𝕚Diameter0.365m
CREW
Maximum weight500 kg𝕚Minimum weight375 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail15.8216.13Headsail Luffed28.6828.68Headsail FlyingSymmetric58.46𝕚58.46𝕚Asymmetric
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment37.9 kg·mStability IndexN/A
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03880001E5CIssued on 30/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

AURORA

EST575

 
Offshore
Racing
Congress

Certificate number: 172/21
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1195.71021.0910.7854.1835.1826.1827.7
52°792.2675.0622.4600.4589.5584.3581.5
60°753.2645.1606.4587.5575.3567.7562.5
75°726.1629.3594.7575.6560.1547.2532.0
90°734.1631.3587.2565.3554.0538.0512.3
110°736.9618.7577.3550.7527.4509.1491.5
120°758.8628.9582.0553.8527.9505.0475.6
135°825.7678.0601.9570.2544.4519.1477.1
150°953.7770.6656.2597.5569.4545.6500.7
Run VMG1101.2889.3754.8665.9607.9577.2531.3
Selected Courses
Windward / Leeward1148.5955.2832.7760.0721.5701.6679.5
All purpose895.0751.4674.5632.8608.6592.5572.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward795.90.7538
All purpose654.20.9171
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Predominantly Upwind710.50.8444
Predominantly Downwind658.30.9114
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low823.20.7289
Triple Number All Purpose Medium650.50.9223
Triple Number All Purpose High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Predominantly Upwind710.50.8444
Predominantly Downwind658.30.9114
Predominantly Upwind Low923.70.6496
Predominantly Upwind Medium736.30.8149
Predominantly Upwind High691.90.8672
Predominantly Downwind Low886.70.6767
Predominantly Downwind Medium647.90.9261
Predominantly Downwind High552.41.0862
Chicago-Mac Upwind0.8298
Chicago-Mac All Purpose0.8603
Chicago-Mac Downwind0.8976
Bayview-Mac Cove Island0.8048
Bayview-Mac Shore0.8087
Victoria-Maui0.9587
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance711.2
Triple Number Coastal/Long Distance Low823.2
Triple Number Coastal/Long Distance Medium650.5
Triple Number Coastal/Long Distance High588.9
Triple Number Windward/Leeward Low1051.9
Triple Number Windward/Leeward Medium790.9
Triple Number Windward/Leeward High698.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7289
Triple Number Coastal/Long Distance Medium0.9223
Triple Number Coastal/Long Distance High1.0188
Triple Number Windward/Leeward Low0.5704
Triple Number Windward/Leeward Medium0.7586
Triple Number Windward/Leeward High0.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low823.2
Triple Number Coastal/Long Distance Medium650.5
Triple Number Coastal/Long Distance High588.9
Triple Number Windward/Leeward Low1051.9
Triple Number Windward/Leeward Medium790.9
Triple Number Windward/Leeward High698.3
Predominantly Upwind710.5
Predominantly Downwind658.3
Predominantly Reaching636.2
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7289
Triple Number Coastal/Long Distance Medium0.9223
Triple Number Coastal/Long Distance High1.0188
Triple Number Windward/Leeward Low0.5704
Triple Number Windward/Leeward Medium0.7586
Triple Number Windward/Leeward High0.8592
Coastal/Long Distance0.8436
Predominantly Upwind0.8444
Predominantly Downwind0.9114
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8436
Tretall Distanseseilas Lite vind0.7289
Tretall Distanseseilas Mellomvind0.9223
Tretall Distanseseilas Mye vind1.0188
Tretall Pølsebane Lite vind0.5704
Tretall Pølsebane Mellomvind0.7586
Tretall Pølsebane Mye vind0.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind710.50.8444
Predominantly Downwind658.30.9114
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore686.10.8744
Cape Doctor Coastal578.31.0375
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7289
Triple Number Coastal/Long Distance Medium0.9223
Triple Number Coastal/Long Distance High1.0188
Triple Number Windward/Leeward Low0.5704
Triple Number Windward/Leeward Medium0.7586
Triple Number Windward/Leeward High0.8592
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7289
Triple Number Coastal/Long Distance Medium0.9223
Triple Number Coastal/Long Distance High1.0188
Triple Number Windward/Leeward Low0.5704
Triple Number Windward/Leeward Medium0.7586
Triple Number Windward/Leeward High0.8592
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Predominantly Upwind710.50.8444
Predominantly Downwind658.30.9114
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance711.20.8436
Triple Number Coastal/Long Distance Low823.20.7289
Triple Number Coastal/Long Distance Medium650.50.9223
Triple Number Coastal/Long Distance High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1143.7897.9754.8673.5632.5600.0547.9
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low823.20.7289
Triple Number All Purpose Medium650.50.9223
Triple Number All Purpose High588.91.0188
Triple Number Windward/Leeward Low1051.90.5704
Triple Number Windward/Leeward Medium790.90.7586
Triple Number Windward/Leeward High698.30.8592
Predominantly Upwind710.50.8444
Predominantly Downwind658.30.9114
Predominantly Upwind Low923.70.6496
Predominantly Upwind Medium736.30.8149
Predominantly Upwind High691.90.8672
Predominantly Downwind Low886.70.6767
Predominantly Downwind Medium647.90.9261
Predominantly Downwind High552.41.0862
Chicago-Mac Upwind0.8298
Chicago-Mac All Purpose0.8603
Chicago-Mac Downwind0.8976
Bayview-Mac Cove Island0.8048
Bayview-Mac Shore0.8087
Harvest Moon Regatta582.41.0302
Victoria-Maui0.9587
ORC Ref  03880001E5CIssued on 30/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org