Club
Certificate
Non Spinnaker
2023

Boat

Obsession

C59

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles46.0°44.5°44.2°43.8°43.0°42.1°41.4°
Beat VMG2.853.413.804.114.304.424.54
52°4.445.275.816.186.376.476.58
60°4.765.566.086.396.566.676.79
75°4.955.756.286.606.796.927.10
90°4.935.816.386.706.927.087.36
110°4.655.596.296.706.977.187.59
120°4.445.396.146.616.917.157.57
135°3.964.925.696.306.696.977.39
150°3.354.285.055.726.266.647.12
Run VMG2.903.714.394.995.536.026.71
Gybe Angles144.2°148.7°152.8°155.9°161.0°168.2°177.2°

APH: 662.9

CDL: 7.200

GPH: 747.4

CertNo: 11234

BOAT
ClassHinckley 36 Yawl MDesignerHinckleyBuilderHINCKLEYAge date12/1955Series date12/1947Offset fileH36_OBS_JT.OFFData fileC59NS
HULL
Length Overall10.973 mMaximum Beam2.841 mDraft1.602 mDisplacement9,057 kgDLR17.2061IMS DivisionCruiser/RacerDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0150
CREW
Maximum weight607 kgMinimum weight455 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.5325.61Mizzen6.666.82Headsail Luffed50.6750.67Headsail FlyingSymmetricAsymmetricMizzen Staysail11.9811.98
STORM SAIL AREAS (m²)
Trysail8.74Storm Jib8.69Heavy Weather Jib23.47
SAIL LIMITS
Headsails1 * Woven polyester sails  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  04560002EODIssued on 27/03/2023Valid until 12/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Obsession

C59

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1263.91056.1946.7876.2837.3813.8793.8
52°810.5682.6619.1582.6565.6556.4547.3
60°755.6647.5591.8563.3548.6540.1530.1
75°727.2626.0573.6545.6530.2520.2507.2
90°729.6619.2564.0537.0520.6508.5489.3
110°774.6644.1572.6537.4516.7501.1474.2
120°810.5668.2586.8544.3520.7503.8475.3
135°909.1731.5632.3571.7537.9516.8486.9
150°1074.8841.4712.4629.5575.0542.2505.3
Run VMG1241.1971.5820.6721.7650.4598.4536.3
Selected Courses
Windward / Leeward1252.51013.8883.7798.9743.9706.1665.0
All purpose952.3783.6692.7637.8604.6583.0557.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward833.10.7202
All purpose662.90.9051
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6375
Downwind "popa"0.7581
70% up, 30% down "Ilhabela"0.6695
30% up, 70% down "Ilhabela-inverso"0.7174
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Predominantly Upwind715.70.8383
Predominantly Downwind678.90.8837
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low867.90.6913
Triple Number All Purpose Medium659.90.9092
Triple Number All Purpose High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Predominantly Upwind715.70.8383
Predominantly Downwind678.90.8837
Predominantly Upwind Low966.70.6206
Predominantly Upwind Medium741.40.8093
Predominantly Upwind High671.30.8938
Predominantly Downwind Low958.70.6258
Predominantly Downwind Medium677.10.8861
Predominantly Downwind High557.41.0764
Chicago-Mac Upwind0.8200
Chicago-Mac All Purpose0.8411
Chicago-Mac Downwind0.8656
Bayview-Mac Cove Island0.7820
Bayview-Mac Shore0.7912
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching622.60.9637
Predominantly Reaching Low778.60.7707
Predominantly Reaching Medium617.90.9711
Predominantly Reaching High539.11.1130
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1234.10.4862
5-Band Low / Medium1036.50.5789
5-Band Medium814.00.7371
5-Band Medium / High713.40.8410
5-Band High672.10.8927
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance727.4
Triple Number Coastal/Long Distance Low867.9
Triple Number Coastal/Long Distance Medium659.9
Triple Number Coastal/Long Distance High578.8
Triple Number Windward/Leeward Low1133.1
Triple Number Windward/Leeward Medium831.3
Triple Number Windward/Leeward High700.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6913
Triple Number Coastal/Long Distance Medium0.9092
Triple Number Coastal/Long Distance High1.0366
Triple Number Windward/Leeward Low0.5295
Triple Number Windward/Leeward Medium0.7218
Triple Number Windward/Leeward High0.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low867.9
Triple Number Coastal/Long Distance Medium659.9
Triple Number Coastal/Long Distance High578.8
Triple Number Windward/Leeward Low1133.1
Triple Number Windward/Leeward Medium831.3
Triple Number Windward/Leeward High700.1
Predominantly Upwind715.7
Predominantly Downwind678.9
Predominantly Reaching642.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6913
Triple Number Coastal/Long Distance Medium0.9092
Triple Number Coastal/Long Distance High1.0366
Triple Number Windward/Leeward Low0.5295
Triple Number Windward/Leeward Medium0.7218
Triple Number Windward/Leeward High0.8570
Coastal/Long Distance0.8249
Predominantly Upwind0.8383
Predominantly Downwind0.8837
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6913
Tretall Distanseseilas Mellomvind0.9092
Tretall Distanseseilas Mye vind1.0366
Tretall Pølsebane Lite vind0.5295
Tretall Pølsebane Mellomvind0.7218
Tretall Pølsebane Mye vind0.8570
Distanseseilas ett tall (OSN 8-16kn)0.8249
Distanseseilas ett tall (APH 6-20kn)0.9051
Enkeltall Motvind0.8383
Enkeltall Medvind0.8837
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Coastal/Long Distance727.40.8249
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind715.70.8383
Predominantly Downwind678.90.8837
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore677.40.8858
Cape Doctor Coastal565.11.0618
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6913
Triple Number Coastal/Long Distance Medium0.9092
Triple Number Coastal/Long Distance High1.0366
Triple Number Windward/Leeward Low0.5295
Triple Number Windward/Leeward Medium0.7218
Triple Number Windward/Leeward High0.8570
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6913
Triple Number Coastal/Long Distance Medium0.9092
Triple Number Coastal/Long Distance High1.0366
Triple Number Windward/Leeward Low0.5295
Triple Number Windward/Leeward Medium0.7218
Triple Number Windward/Leeward High0.8570
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Predominantly Upwind715.70.8383
Predominantly Downwind678.90.8837
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance727.40.8249
Triple Number Coastal/Long Distance Low867.90.6913
Triple Number Coastal/Long Distance Medium659.90.9092
Triple Number Coastal/Long Distance High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1251.4949.9788.4685.4629.1589.0532.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low867.90.6913
Triple Number All Purpose Medium659.90.9092
Triple Number All Purpose High578.81.0366
Triple Number Windward/Leeward Low1133.10.5295
Triple Number Windward/Leeward Medium831.30.7218
Triple Number Windward/Leeward High700.10.8570
Predominantly Upwind715.70.8383
Predominantly Downwind678.90.8837
Predominantly Upwind Low966.70.6206
Predominantly Upwind Medium741.40.8093
Predominantly Upwind High671.30.8938
Predominantly Downwind Low958.70.6258
Predominantly Downwind Medium677.10.8861
Predominantly Downwind High557.41.0764
Chicago-Mac Upwind0.8200
Chicago-Mac All Purpose0.8411
Chicago-Mac Downwind0.8656
Bayview-Mac Cove Island0.7820
Bayview-Mac Shore0.7912
Harvest Moon Regatta567.21.0579
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy687.20.8731
San Francisco Bay Medium819.60.7320
Predominantly Reaching622.60.9637
Predominantly Reaching Low778.60.7707
Predominantly Reaching Medium617.90.9711
Predominantly Reaching High539.11.1130
Windward/Leeward 60-40 Low1138.50.5270
Windward/Leeward 60-40 Medium856.40.7006
Windward/Leeward 60-40 High738.30.8127
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1234.10.4862
5-Band Low / Medium1036.50.5789
5-Band Medium814.00.7371
5-Band Medium / High713.40.8410
5-Band High672.10.8927
ORC Ref  04560002EODIssued on 27/03/2023Valid until 12/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Obsession

C59

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHinckley 36 Yawl MMeasurement05/05/2008HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.973Max. Beam2.841Draft1.602Displacement9,057Wetted area25.12IMS L8.592LSM08.073Acc. length9.232Sink (kg/mm) 16.88
VCGD-0.543VCGM-0.599RM Rated (kg·m) 169.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0150
RIG
Forestay tensionAftInner stayCarbon mastNoHeadsail furlerYesMainsail furlerYesArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P11.430IG13.030ISP13.030MDT10.122MDL10.226MDT20.122MDL20.180TL1.615MW0.183GO0.247
E4.368J5.511BAS1.622FSD0.000SFJ-1.524SPL5.511WPLTPS0.000BD0.158MWT0.00MCG0.000
PY5.395MDT1Y0.060MDL1Y0.113MDT2Y0.060MDL2Y0.113TLY0.000BASY1.400EY2.057BDY0.100IY6.800EB5.450
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered170.7Flotation Date05/05/2008MeasurerComment
SFFP1.219FFMFF0.999LCFcl5.507SG1.0250
SAFP9.449FAMFA0.712LCFsh5.694HBI0.821
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002EODIssued on 27/03/2023Valid until 12/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

Obsession

C59

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.050.581.132.263.3425.53
MIZZEN
IdMHBMUWMTWMHWMQWAreaMeas.DateComment00.110.430.771.331.766.66
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment00.050.921.823.735.707.6013.44NoNo 50.67
MIZZEN STAYSAIL
IdYSHFYSHWYSFLAreaMeas.DateComment04.951.915.8611.98
ORC Ref  04560002EODIssued on 27/03/2023Valid until 12/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org