Club
Certificate
2021

Boat

Nakra

UKR-2134

 
Offshore
Racing
Congress

Certificate number: 2134_1
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.8°41.6°40.1°39.8°39.9°40.5°42.6°
Beat VMG3.233.854.134.214.234.204.06
52°4.935.665.926.016.056.076.00
60°5.235.846.106.226.286.326.29
75°5.485.986.286.516.636.696.74
90°5.466.006.336.646.907.067.21
110°5.195.976.416.837.167.377.69
120°5.005.866.316.767.197.598.24
135°4.495.466.026.436.877.338.62
150°3.804.785.596.076.466.887.81
Run VMG3.294.144.895.546.026.407.19
Gybe Angles147.0°151.0°156.0°180.0°180.0°180.0°180.0°

GPH = 707.0

CDL = 6.212

BOAT
ClassCT 25 Mod.𝕚DesignerLenShipInst.OceanBuilderTEVSSAge Date01/1990Series Date06/1984Offset FileCT25_Nakra.off
HULL
Length Overall7.620 mMaximum Beam2.692 mDraft1.388 mDisplacement1,336 kgDLR6.6720IMS DivisionPerformanceDynamic Allowance0.045%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight260 kg𝕚Minimum weight175 kg𝕚* when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail20.3720.78Headsail Luffed11.7111.71Headsail Flying14.42𝕚19.39𝕚Symmetric30.01𝕚30.01𝕚Asymmetric
SAIL LIMITATIONS
Headsails5* Woven polyester sails Spinnakers4
STABILITY
Righting Moment20.4 kg·mStability Index95.5
COMMENTS
Yamaha 2.5 outboard engine
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03600001CTIIssued on 17/06/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
2021

Boat

Nakra

UKR-2134

 
Offshore
Racing
Congress

Certificate number: 2134_1
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1114.7936.1872.7854.9851.3856.2886.7
52°730.9635.7608.2598.9595.3592.8599.8
60°688.5616.5590.5578.8572.8569.3572.7
75°656.9602.0573.5553.1543.0537.8533.9
90°659.7600.2569.1541.8522.0510.0499.6
110°693.7603.2562.0527.0502.9488.7467.8
120°719.7614.2570.1532.4501.0474.0436.7
135°802.6659.9598.0560.0523.8491.1417.8
150°947.2752.6643.5592.7557.1523.4460.9
Run VMG1093.7868.9735.8649.3597.6562.8500.7
Selected Courses
Windward / Leeward1104.2902.5804.3752.1724.5709.5693.7
All purpose846.2714.7654.7620.1600.1586.4569.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward782.50.7668
All purpose637.90.9406
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Predominantly Upwind693.70.8650
Predominantly Downwind639.20.9387
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low780.40.7688
Triple Number All Purpose Medium634.50.9456
Triple Number All Purpose High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Predominantly Upwind693.70.8650
Predominantly Downwind639.20.9387
Predominantly Upwind Low864.40.6941
Predominantly Upwind Medium722.10.8309
Predominantly Upwind High708.70.8466
Predominantly Downwind Low856.20.7008
Predominantly Downwind Medium633.20.9475
Predominantly Downwind High529.11.1340
Chicago-Mac Upwind0.8504
Chicago-Mac All Purpose0.8849
Chicago-Mac Downwind0.9231
Bayview-Mac Cove Island0.8398
Bayview-Mac Shore0.8436
Victoria-Maui0.9956
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance692.4
Triple Number Coastal/Long Distance Low780.4
Triple Number Coastal/Long Distance Medium634.5
Triple Number Coastal/Long Distance High583.4
Triple Number Windward/Leeward Low1003.3
Triple Number Windward/Leeward Medium775.1
Triple Number Windward/Leeward High707.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7688
Triple Number Coastal/Long Distance Medium0.9456
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.7741
Triple Number Windward/Leeward High0.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low780.4
Triple Number Coastal/Long Distance Medium634.5
Triple Number Coastal/Long Distance High583.4
Triple Number Windward/Leeward Low1003.3
Triple Number Windward/Leeward Medium775.1
Triple Number Windward/Leeward High707.3
Predominantly Upwind693.7
Predominantly Downwind639.2
Predominantly Reaching615.4
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7688
Triple Number Coastal/Long Distance Medium0.9456
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.7741
Triple Number Windward/Leeward High0.8483
Coastal/Long Distance0.8665
Predominantly Upwind0.8650
Predominantly Downwind0.9387
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.8665
Tretall Distanseseilas Lite vind0.7688
Tretall Distanseseilas Mellomvind0.9456
Tretall Distanseseilas Mye vind1.0284
Tretall Pølsebane Lite vind0.5980
Tretall Pølsebane Mellomvind0.7741
Tretall Pølsebane Mye vind0.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind693.70.8650
Predominantly Downwind639.20.9387
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore698.40.8591
Cape Doctor Coastal574.51.0444
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7688
Triple Number Coastal/Long Distance Medium0.9456
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.7741
Triple Number Windward/Leeward High0.8483
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7688
Triple Number Coastal/Long Distance Medium0.9456
Triple Number Coastal/Long Distance High1.0284
Triple Number Windward/Leeward Low0.5980
Triple Number Windward/Leeward Medium0.7741
Triple Number Windward/Leeward High0.8483
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Predominantly Upwind693.70.8650
Predominantly Downwind639.20.9387
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance692.40.8665
Triple Number Coastal/Long Distance Low780.40.7688
Triple Number Coastal/Long Distance Medium634.50.9456
Triple Number Coastal/Long Distance High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1103.2851.2730.9663.6624.3591.2537.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low780.40.7688
Triple Number All Purpose Medium634.50.9456
Triple Number All Purpose High583.41.0284
Triple Number Windward/Leeward Low1003.30.5980
Triple Number Windward/Leeward Medium775.10.7741
Triple Number Windward/Leeward High707.30.8483
Predominantly Upwind693.70.8650
Predominantly Downwind639.20.9387
Predominantly Upwind Low864.40.6941
Predominantly Upwind Medium722.10.8309
Predominantly Upwind High708.70.8466
Predominantly Downwind Low856.20.7008
Predominantly Downwind Medium633.20.9475
Predominantly Downwind High529.11.1340
Chicago-Mac Upwind0.8504
Chicago-Mac All Purpose0.8849
Chicago-Mac Downwind0.9231
Bayview-Mac Cove Island0.8398
Bayview-Mac Shore0.8436
Harvest Moon Regatta566.71.0587
Victoria-Maui0.9956
ORC Ref  03600001CTIIssued on 17/06/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org