Club
Certificate
Double Handed
2021

Boat

Thunder

CAN 34894

 
Offshore
Racing
Congress

Certificate number: ON2109
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles42.0°40.5°40.5°40.5°39.8°39.8°40.5°
Beat VMG3.374.024.474.694.784.814.90
52°5.085.996.586.826.916.967.05
60°5.346.286.797.017.137.187.24
75°5.566.506.967.207.387.517.61
90°5.676.697.117.277.497.718.04
110°5.676.747.227.567.838.028.33
120°5.476.587.147.517.888.258.67
135°4.906.016.827.267.628.008.79
150°4.145.186.096.757.137.418.02
Run VMG3.584.495.285.846.356.887.52
Gybe Angles144.5°148.0°148.0°150.0°175.0°178.0°179.0°

GPH = 647.5

CDL = 8.318

BOAT
ClassX372 (MOD)𝕚DesignerNIELS JEPPESENBuilderX YACHTSAge Date07/1987Series Date07/1987Offset FileIX372.OFF
HULL
Length Overall11.031 mMaximum Beam3.590 mDraft2.031 mDisplacement5,375 kgDLR7.3822IMS DivisionCruiser/RacerDynamic Allowance0.182%Age Allowance0.487%
PROPELLER
InstallationShaft exposed𝕚TypeFeathering 2 blades𝕚Diameter0.385m
CREW
Maximum weight170 kg𝕚Minimum weight120 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRated Mainsail41.9342.72Headsail Luffed24.1124.11Headsail FlyingSymmetricAsymmetric80.36𝕚80.36𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4
STABILITY
Righting Moment109.5 kg·mStability Index114.6
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03430001EM5Issued on 06/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org

Club
Certificate
Double Handed
2021

Boat

Thunder

CAN 34894

 
Offshore
Racing
Congress

Certificate number: ON2109
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1067.5894.5805.8766.9752.5747.8735.2
52°708.9600.6547.5528.1520.9517.5510.8
60°674.3573.1530.3513.2505.2501.4497.1
75°647.6554.2517.5499.7487.9479.4472.9
90°634.4538.0506.3495.0480.4467.2447.5
110°635.4534.4498.4476.0459.7449.0432.3
120°657.6547.2504.3479.5456.9436.5415.2
135°734.8599.5527.5496.1472.7449.8409.5
150°869.7694.8590.7533.5505.3485.9448.9
Run VMG1004.3802.3682.0616.0567.1523.4478.6
Selected Courses
Windward / Leeward1035.9848.4743.9691.5659.8635.6606.9
All purpose797.9661.9594.5562.0542.4528.2506.2
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward718.70.8348
All purpose580.21.0342
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Predominantly Upwind630.00.9524
Predominantly Downwind585.41.0249
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low729.90.8220
Triple Number All Purpose Medium576.31.0412
Triple Number All Purpose High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Predominantly Upwind630.00.9524
Predominantly Downwind585.41.0249
Predominantly Upwind Low819.20.7324
Predominantly Upwind Medium652.90.9190
Predominantly Upwind High616.00.9740
Predominantly Downwind Low793.80.7559
Predominantly Downwind Medium580.31.0339
Predominantly Downwind High491.91.2197
Chicago-Mac Upwind0.9369
Chicago-Mac All Purpose0.9702
Chicago-Mac Downwind1.0092
Bayview-Mac Cove Island0.9087
Bayview-Mac Shore0.9140
Victoria-Maui1.0755
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance632.7
Triple Number Coastal/Long Distance Low729.9
Triple Number Coastal/Long Distance Medium576.3
Triple Number Coastal/Long Distance High523.5
Triple Number Windward/Leeward Low942.2
Triple Number Windward/Leeward Medium714.1
Triple Number Windward/Leeward High630.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8220
Triple Number Coastal/Long Distance Medium1.0412
Triple Number Coastal/Long Distance High1.1461
Triple Number Windward/Leeward Low0.6368
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low729.9
Triple Number Coastal/Long Distance Medium576.3
Triple Number Coastal/Long Distance High523.5
Triple Number Windward/Leeward Low942.2
Triple Number Windward/Leeward Medium714.1
Triple Number Windward/Leeward High630.8
Predominantly Upwind630.0
Predominantly Downwind585.4
Predominantly Reaching560.7
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8220
Triple Number Coastal/Long Distance Medium1.0412
Triple Number Coastal/Long Distance High1.1461
Triple Number Windward/Leeward Low0.6368
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9511
Coastal/Long Distance0.9484
Predominantly Upwind0.9524
Predominantly Downwind1.0249
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9484
Tretall Distanseseilas Lite vind0.8220
Tretall Distanseseilas Mellomvind1.0412
Tretall Distanseseilas Mye vind1.1461
Tretall Pølsebane Lite vind0.6368
Tretall Pølsebane Mellomvind0.8402
Tretall Pølsebane Mye vind0.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind630.00.9524
Predominantly Downwind585.41.0249
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore615.50.9748
Cape Doctor Coastal512.81.1700
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8220
Triple Number Coastal/Long Distance Medium1.0412
Triple Number Coastal/Long Distance High1.1461
Triple Number Windward/Leeward Low0.6368
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9511
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8220
Triple Number Coastal/Long Distance Medium1.0412
Triple Number Coastal/Long Distance High1.1461
Triple Number Windward/Leeward Low0.6368
Triple Number Windward/Leeward Medium0.8402
Triple Number Windward/Leeward High0.9511
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Predominantly Upwind630.00.9524
Predominantly Downwind585.41.0249
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance632.70.9484
Triple Number Coastal/Long Distance Low729.90.8220
Triple Number Coastal/Long Distance Medium576.31.0412
Triple Number Coastal/Long Distance High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1032.7796.4670.1600.9563.2532.4483.8
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low729.90.8220
Triple Number All Purpose Medium576.31.0412
Triple Number All Purpose High523.51.1461
Triple Number Windward/Leeward Low942.20.6368
Triple Number Windward/Leeward Medium714.10.8402
Triple Number Windward/Leeward High630.80.9511
Predominantly Upwind630.00.9524
Predominantly Downwind585.41.0249
Predominantly Upwind Low819.20.7324
Predominantly Upwind Medium652.90.9190
Predominantly Upwind High616.00.9740
Predominantly Downwind Low793.80.7559
Predominantly Downwind Medium580.31.0339
Predominantly Downwind High491.91.2197
Chicago-Mac Upwind0.9369
Chicago-Mac All Purpose0.9702
Chicago-Mac Downwind1.0092
Bayview-Mac Cove Island0.9087
Bayview-Mac Shore0.9140
Harvest Moon Regatta511.91.1720
Victoria-Maui1.0755
ORC Ref  03430001EM5Issued on 06/07/2021Valid until 31/12/2021
VPP ver: 2021 1.02 | © ORC | www.orc.org