Club
Certificate
2023

Boat

JAM JAM

USA 56

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 Angles43.2°42.0°41.1°39.6°39.0°38.7°38.7°
Beat VMG3.063.644.074.364.474.534.56
52°4.665.445.916.176.286.346.39
60°4.915.666.066.296.436.506.57
75°5.045.786.176.426.626.766.89
90°4.945.736.226.536.726.897.17
110°4.835.766.306.666.977.227.62
120°4.685.656.236.616.957.267.81
135°4.285.235.966.396.737.077.71
150°3.674.645.456.046.426.747.35
Run VMG3.184.034.755.395.926.306.89
Gybe Angles147.5°151.4°154.3°163.1°175.4°178.1°179.0°

APH: 643.0

CDL: 6.975

GPH: 720.3

CertNo: US7325

BOAT
ClassMorgan 27DesignerMORGANBuilderAge date01/1972Series date01/1972Offset fileMorgan27_JT.offData fileUSA56
HULL
Length Overall8.742 mMaximum Beam3.046 mDraft1.413 mDisplacement3,218 kgDLR7.6998IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight500 kgMinimum weight375 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail17.2217.52Headsail Luffed32.4132.41Headsail FlyingSymmetric57.7957.79Asymmetric51.7051.70 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.05Storm Jib6.46Heavy Weather Jib17.43
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
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  04560002OD9Issued on 14/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JAM JAM

USA 56

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 VMG1174.9987.8884.8826.4806.0795.0788.9
52°772.8661.5609.2583.9573.3567.8563.4
60°733.9636.0594.0571.9559.6553.5547.7
75°714.5622.8583.0560.4543.7532.9522.1
90°728.1628.5578.3551.3535.7522.7502.4
110°746.1624.5571.3540.7516.3498.3472.3
120°768.6637.7577.9545.0518.4496.0460.9
135°841.7687.8604.3563.7535.0509.5466.7
150°981.3775.1660.5595.7560.9534.5489.8
Run VMG1133.1894.1758.6668.3607.8571.3522.3
Selected Courses
Windward / Leeward1154.0941.0821.7747.3706.9683.1655.6
All purpose895.5744.6665.6620.2595.1578.3555.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward782.80.7665
All purpose643.00.9331
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6705
Downwind "popa"0.8147
70% up, 30% down "Ilhabela"0.7081
30% up, 70% down "Ilhabela-inverso"0.7653
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Predominantly Upwind694.10.8644
Predominantly Downwind652.20.9200
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low820.00.7317
Triple Number All Purpose Medium639.50.9383
Triple Number All Purpose High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Predominantly Upwind694.10.8644
Predominantly Downwind652.20.9200
Predominantly Upwind Low909.70.6596
Predominantly Upwind Medium716.20.8378
Predominantly Upwind High668.00.8982
Predominantly Downwind Low892.90.6720
Predominantly Downwind Medium645.30.9299
Predominantly Downwind High543.11.1047
Chicago-Mac Upwind0.8486
Chicago-Mac All Purpose0.8736
Chicago-Mac Downwind0.9043
Bayview-Mac Cove Island0.8148
Bayview-Mac Shore0.8219
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching613.80.9775
Predominantly Reaching Low746.90.8033
Predominantly Reaching Medium608.40.9862
Predominantly Reaching High540.71.1097
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1137.60.5274
5-Band Low / Medium960.50.6247
5-Band Medium763.80.7856
5-Band Medium / High687.90.8723
5-Band High660.30.9086
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance697.9
Triple Number Coastal/Long Distance Low820.0
Triple Number Coastal/Long Distance Medium639.5
Triple Number Coastal/Long Distance High573.9
Triple Number Windward/Leeward Low1047.5
Triple Number Windward/Leeward Medium778.1
Triple Number Windward/Leeward High678.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7317
Triple Number Coastal/Long Distance Medium0.9383
Triple Number Coastal/Long Distance High1.0454
Triple Number Windward/Leeward Low0.5728
Triple Number Windward/Leeward Medium0.7711
Triple Number Windward/Leeward High0.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low820.0
Triple Number Coastal/Long Distance Medium639.5
Triple Number Coastal/Long Distance High573.9
Triple Number Windward/Leeward Low1047.5
Triple Number Windward/Leeward Medium778.1
Triple Number Windward/Leeward High678.7
Predominantly Upwind694.1
Predominantly Downwind652.2
Predominantly Reaching627.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7317
Triple Number Coastal/Long Distance Medium0.9383
Triple Number Coastal/Long Distance High1.0454
Triple Number Windward/Leeward Low0.5728
Triple Number Windward/Leeward Medium0.7711
Triple Number Windward/Leeward High0.8840
Coastal/Long Distance0.8597
Predominantly Upwind0.8644
Predominantly Downwind0.9200
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7317
Tretall Distanseseilas Mellomvind0.9383
Tretall Distanseseilas Mye vind1.0454
Tretall Pølsebane Lite vind0.5728
Tretall Pølsebane Mellomvind0.7711
Tretall Pølsebane Mye vind0.8840
Distanseseilas ett tall (OSN 8-16kn)0.8597
Distanseseilas ett tall (APH 6-20kn)0.9331
Enkeltall Motvind0.8644
Enkeltall Medvind0.9200
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Coastal/Long Distance697.90.8597
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind694.10.8644
Predominantly Downwind652.20.9200
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore663.80.9038
Cape Doctor Coastal562.31.0670
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7317
Triple Number Coastal/Long Distance Medium0.9383
Triple Number Coastal/Long Distance High1.0454
Triple Number Windward/Leeward Low0.5728
Triple Number Windward/Leeward Medium0.7711
Triple Number Windward/Leeward High0.8840
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7317
Triple Number Coastal/Long Distance Medium0.9383
Triple Number Coastal/Long Distance High1.0454
Triple Number Windward/Leeward Low0.5728
Triple Number Windward/Leeward Medium0.7711
Triple Number Windward/Leeward High0.8840
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Predominantly Upwind694.10.8644
Predominantly Downwind652.20.9200
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance697.90.8597
Triple Number Coastal/Long Distance Low820.00.7317
Triple Number Coastal/Long Distance Medium639.50.9383
Triple Number Coastal/Long Distance High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1151.9886.6744.9660.2617.2584.6532.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low820.00.7317
Triple Number All Purpose Medium639.50.9383
Triple Number All Purpose High573.91.0454
Triple Number Windward/Leeward Low1047.50.5728
Triple Number Windward/Leeward Medium778.10.7711
Triple Number Windward/Leeward High678.70.8840
Predominantly Upwind694.10.8644
Predominantly Downwind652.20.9200
Predominantly Upwind Low909.70.6596
Predominantly Upwind Medium716.20.8378
Predominantly Upwind High668.00.8982
Predominantly Downwind Low892.90.6720
Predominantly Downwind Medium645.30.9299
Predominantly Downwind High543.11.1047
Chicago-Mac Upwind0.8486
Chicago-Mac All Purpose0.8736
Chicago-Mac Downwind0.9043
Bayview-Mac Cove Island0.8148
Bayview-Mac Shore0.8219
Harvest Moon Regatta562.31.0671
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy668.60.8975
San Francisco Bay Medium773.50.7757
Predominantly Reaching613.80.9775
Predominantly Reaching Low746.90.8033
Predominantly Reaching Medium608.40.9862
Predominantly Reaching High540.71.1097
Windward/Leeward 60-40 Low1054.30.5691
Windward/Leeward 60-40 Medium804.00.7462
Windward/Leeward 60-40 High718.40.8351
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1137.60.5274
5-Band Low / Medium960.50.6247
5-Band Medium763.80.7856
5-Band Medium / High687.90.8723
5-Band High660.30.9086
ORC Ref  04560002OD9Issued on 14/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JAM JAM

USA 56

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMorgan 27Measurement22/01/1988HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.742Max. Beam3.046Draft1.413Displacement3,218Wetted area17.28IMS L7.420LSM07.476Acc. length8.742Sink (kg/mm) 12.89
VCGD0.200VCGM0.198RM Rated (kg·m) 61.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.449IG11.278ISP11.278MDT10.101MDL10.153MDT20.101MDL20.153TL0.000MW0.153GO0.180
E3.048J3.661BAS1.528FSD0.019SFJ0.000SPL3.582WPLTPSBD0.113MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.200Flotation Date21/07/2021MeasurerComment
SFFP0.750FFMFF1.102LCFcl4.981SG
SAFP8.209FAMFA0.813LCFsh5.218HBI0.865
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002OD9Issued on 14/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

JAM JAM

USA 56

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.130.641.151.972.5817.22light medium
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.080.731.412.834.295.6411.40NoNo 32.41
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS1.511.2511.2511.256.166.1857.79
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA311.2710.6010.945.665.7399%51.70
ORC Ref  04560002OD9Issued on 14/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org