Club
Certificate
2023

Boat

DRAGON

USA 52948

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 Angles43.8°41.4°40.2°39.6°39.0°38.7°37.8°
Beat VMG3.804.645.205.535.725.855.99
52°5.836.917.607.968.168.278.40
60°6.157.207.838.178.378.498.63
75°6.367.398.008.348.578.748.97
90°6.217.297.978.378.638.849.19
110°6.097.398.188.608.919.159.48
120°5.937.248.098.588.949.269.83
135°5.306.637.668.318.729.089.79
150°4.475.696.757.598.118.458.98
Run VMG3.874.935.856.577.027.348.30
Gybe Angles143.0°146.9°147.8°148.7°149.6°164.0°175.4°

APH: 506.4

CDL: 11.832

GPH: 569.3

CertNo: US6357

BOAT
ClassSWAN 482DesignerFRERSBuilderNAUTORAge date04/2003Series date06/1995Offset fileus30883a.offData fileUS6357
HULL
Length Overall14.914 mMaximum Beam4.310 mDraft2.438 mDisplacement15,934 kgDLR7.1991IMS DivisionCruiser/RacerDynamic Allowance0.360%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.574m
CREW
Maximum weight1,004 kgMinimum weight753 kg * when appliedNon Manual PowerSheetsCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail57.4858.69Headsail Luffed69.9669.96Headsail FlyingSymmetricAsymmetric179.76179.76 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail17.86Storm Jib19.94Heavy Weather Jib53.83
SAIL LIMITS
Headsails7  Spinnakers5
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
jasonpblack@gmail.com
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  04560002NUFIssued on 07/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DRAGON

USA 52948

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 VMG946.6776.4691.7650.8628.9615.4600.7
52°617.0521.2473.8452.1441.3435.3428.8
60°585.1500.2459.6440.6430.1424.0417.3
75°566.2487.4450.2431.5420.2412.0401.5
90°579.4494.1451.6430.4417.1407.1391.9
110°591.5487.4440.3418.5404.0393.3379.7
120°606.7497.4444.7419.6402.9388.9366.4
135°679.2542.8469.8433.5412.6396.3367.6
150°805.8632.4533.2474.3443.8425.9400.7
Run VMG930.5730.2615.7547.6512.5490.5433.9
Selected Courses
Windward / Leeward938.5753.3653.7599.2570.7552.9517.3
All purpose721.1590.0522.2487.1467.8454.7434.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward628.10.9553
All purpose506.41.1849
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8553
Downwind "popa"0.9857
70% up, 30% down "Ilhabela"0.8907
30% up, 70% down "Ilhabela-inverso"0.9426
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Predominantly Upwind544.51.1019
Predominantly Downwind519.11.1558
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low655.50.9153
Triple Number All Purpose Medium502.51.1940
Triple Number All Purpose High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Predominantly Upwind544.51.1019
Predominantly Downwind519.11.1558
Predominantly Upwind Low725.90.8266
Predominantly Upwind Medium560.01.0714
Predominantly Upwind High515.91.1629
Predominantly Downwind Low721.60.8315
Predominantly Downwind Medium516.01.1628
Predominantly Downwind High440.51.3621
Chicago-Mac Upwind1.0817
Chicago-Mac All Purpose1.1055
Chicago-Mac Downwind1.1356
Bayview-Mac Cove Island1.0269
Bayview-Mac Shore1.0395
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching481.51.2461
Predominantly Reaching Low594.61.0091
Predominantly Reaching Medium475.91.2607
Predominantly Reaching High421.41.4239
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low924.30.6492
5-Band Low / Medium772.20.7770
5-Band Medium612.50.9796
5-Band Medium / High553.71.0835
5-Band High523.51.1462
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance552.4
Triple Number Coastal/Long Distance Low655.5
Triple Number Coastal/Long Distance Medium502.5
Triple Number Coastal/Long Distance High450.5
Triple Number Windward/Leeward Low845.9
Triple Number Windward/Leeward Medium623.1
Triple Number Windward/Leeward High544.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9153
Triple Number Coastal/Long Distance Medium1.1940
Triple Number Coastal/Long Distance High1.3318
Triple Number Windward/Leeward Low0.7093
Triple Number Windward/Leeward Medium0.9629
Triple Number Windward/Leeward High1.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low655.5
Triple Number Coastal/Long Distance Medium502.5
Triple Number Coastal/Long Distance High450.5
Triple Number Windward/Leeward Low845.9
Triple Number Windward/Leeward Medium623.1
Triple Number Windward/Leeward High544.0
Predominantly Upwind544.5
Predominantly Downwind519.1
Predominantly Reaching494.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9153
Triple Number Coastal/Long Distance Medium1.1940
Triple Number Coastal/Long Distance High1.3318
Triple Number Windward/Leeward Low0.7093
Triple Number Windward/Leeward Medium0.9629
Triple Number Windward/Leeward High1.1029
Coastal/Long Distance1.0861
Predominantly Upwind1.1019
Predominantly Downwind1.1558
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9153
Tretall Distanseseilas Mellomvind1.1940
Tretall Distanseseilas Mye vind1.3318
Tretall Pølsebane Lite vind0.7093
Tretall Pølsebane Mellomvind0.9629
Tretall Pølsebane Mye vind1.1029
Distanseseilas ett tall (OSN 8-16kn)1.0861
Distanseseilas ett tall (APH 6-20kn)1.1849
Enkeltall Motvind1.1019
Enkeltall Medvind1.1558
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Coastal/Long Distance552.41.0861
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind544.51.1019
Predominantly Downwind519.11.1558
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore528.01.1364
Cape Doctor Coastal440.81.3613
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9153
Triple Number Coastal/Long Distance Medium1.1940
Triple Number Coastal/Long Distance High1.3318
Triple Number Windward/Leeward Low0.7093
Triple Number Windward/Leeward Medium0.9629
Triple Number Windward/Leeward High1.1029
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9153
Triple Number Coastal/Long Distance Medium1.1940
Triple Number Coastal/Long Distance High1.3318
Triple Number Windward/Leeward Low0.7093
Triple Number Windward/Leeward Medium0.9629
Triple Number Windward/Leeward High1.1029
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Predominantly Upwind544.51.1019
Predominantly Downwind519.11.1558
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance552.41.0861
Triple Number Coastal/Long Distance Low655.50.9153
Triple Number Coastal/Long Distance Medium502.51.1940
Triple Number Coastal/Long Distance High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance937.7708.9589.0520.6485.8459.7417.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low655.50.9153
Triple Number All Purpose Medium502.51.1940
Triple Number All Purpose High450.51.3318
Triple Number Windward/Leeward Low845.90.7093
Triple Number Windward/Leeward Medium623.10.9629
Triple Number Windward/Leeward High544.01.1029
Predominantly Upwind544.51.1019
Predominantly Downwind519.11.1558
Predominantly Upwind Low725.90.8266
Predominantly Upwind Medium560.01.0714
Predominantly Upwind High515.91.1629
Predominantly Downwind Low721.60.8315
Predominantly Downwind Medium516.01.1628
Predominantly Downwind High440.51.3621
Chicago-Mac Upwind1.0817
Chicago-Mac All Purpose1.1055
Chicago-Mac Downwind1.1356
Bayview-Mac Cove Island1.0269
Bayview-Mac Shore1.0395
Harvest Moon Regatta442.91.3548
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy529.41.1334
San Francisco Bay Medium613.70.9777
Predominantly Reaching481.51.2461
Predominantly Reaching Low594.61.0091
Predominantly Reaching Medium475.91.2607
Predominantly Reaching High421.41.4239
Windward/Leeward 60-40 Low849.00.7067
Windward/Leeward 60-40 Medium638.90.9391
Windward/Leeward 60-40 High567.61.0571
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low924.30.6492
5-Band Low / Medium772.20.7770
5-Band Medium612.50.9796
5-Band Medium / High553.71.0835
5-Band High523.51.1462
ORC Ref  04560002NUFIssued on 07/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DRAGON

USA 52948

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSWAN 482Measurement20/05/2004HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA14.914Max. Beam4.310Draft2.438Displacement15,934Wetted area44.96IMS L13.135LSM013.031Acc. length14.008Sink (kg/mm) 31.77
VCGD-0.100VCGM-0.128RM Rated (kg·m) 321.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.574PBW0.183PIPA0.0090
PSD0.040PHD0.092PHL0.165
PSA18.0°ESL1.070
ST10.052ST20.196ST30.171
ST40.077ST50.232
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders3Rotating mastNo
P17.652IG19.736ISP19.706MDT10.135MDL10.238MDT20.125MDL20.220TL2.802MW0.086GO0.150
E5.780J5.520BAS1.906FSD0.040SFJ0.250SPL0.000WPLTPS6.240BD0.391MWT429.10MCG6.331
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered321.5Flotation Date01/01/2019MeasurerComment
SFFP0.734FFMFF1.436LCFcl8.246SG1.0250
SAFP13.335FAMFA1.137LCFsh8.526HBI1.223
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002NUFIssued on 07/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

DRAGON

USA 52948

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain-Furl0.151.071.953.464.6457.4813/04/2023202352948
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20773970.050.871.743.595.517.4819.13NoNo 69.96AP#1
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-2222.1818.3620.2710.899.65113%179.7616/12/2022OUS125228-001A221.5817.7819.6810.829.66112%173.642077409
ORC Ref  04560002NUFIssued on 07/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org