Club
Certificate
2023

Boat

ZILLA

USA 155

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 Angles42.0°38.2°37.2°36.9°36.7°36.9°37.8°
Beat VMG4.304.995.255.375.445.475.42
52°6.457.127.387.557.677.757.79
60°6.727.367.687.898.048.158.24
75°6.897.598.118.428.668.869.11
90°6.817.568.268.879.309.6610.15
110°6.867.678.228.749.3510.2911.63
120°6.747.748.509.149.8010.4411.82
135°6.147.358.349.4810.6111.5413.50
150°5.176.447.338.299.4310.7514.36
Run VMG4.485.586.367.188.179.3112.44
Gybe Angles142.6°147.8°152.3°148.7°146.0°144.2°148.6°

APH: 483.7

CDL: 9.506

GPH: 536.6

CertNo: US1550

BOAT
ClassMELGES 32DesignerReichel/PughBuilderMelges PerformanceAge date01/2009Series date01/2005Offset fileMELGES32.OD.OFFData fileUSA155-M32
HULL
Length Overall9.685 mMaximum Beam2.936 mDraft2.140 mDisplacement1,710 kgDLR2.8423IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight629 kgMinimum weight472 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.7341.96Headsail Luffed22.5822.58Headsail FlyingSymmetricAsymmetric122.54122.54 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail11.09Storm Jib7.89Heavy Weather Jib21.30
SAIL LIMITS
Headsails5  Spinnakers4
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  03330002RPDIssued on 24/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZILLA

USA 155

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 VMG836.7720.9686.0670.0661.8658.0664.3
52°558.1505.4487.7476.7469.2464.3462.0
60°535.7489.4469.0456.5448.0441.8436.9
75°522.2474.3444.1427.7415.7406.5395.1
90°529.0476.3435.8405.7387.0372.8354.7
110°525.0469.3438.0412.1385.2350.0309.4
120°534.4465.0423.5393.7367.4344.7304.5
135°586.8489.9431.5379.7339.3312.1266.6
150°696.7559.1491.1434.5381.6334.9250.7
Run VMG804.4645.6566.1501.7440.7386.7289.4
Selected Courses
Windward / Leeward820.6683.3626.0585.9551.2522.3476.9
All purpose638.2548.6506.2475.7450.6429.3398.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward596.61.0056
All purpose483.71.2404
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8576
Downwind "popa"1.1555
70% up, 30% down "Ilhabela"0.9295
30% up, 70% down "Ilhabela-inverso"1.0464
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Predominantly Upwind534.01.1236
Predominantly Downwind472.71.2694
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low593.41.0112
Triple Number All Purpose Medium485.71.2354
Triple Number All Purpose High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Predominantly Upwind534.01.1236
Predominantly Downwind472.71.2694
Predominantly Upwind Low658.40.9113
Predominantly Upwind Medium563.61.0646
Predominantly Upwind High538.11.1151
Predominantly Downwind Low640.60.9366
Predominantly Downwind Medium468.71.2800
Predominantly Downwind High356.61.6826
Chicago-Mac Upwind1.1049
Chicago-Mac All Purpose1.1691
Chicago-Mac Downwind1.2424
Bayview-Mac Cove Island1.1005
Bayview-Mac Shore1.1034
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching451.91.3278
Predominantly Reaching Low542.21.1067
Predominantly Reaching Medium449.61.3345
Predominantly Reaching High382.41.5691
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low810.00.7408
5-Band Low / Medium701.70.8551
5-Band Medium589.51.0177
5-Band Medium / High524.91.1430
5-Band High484.71.2378
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance524.7
Triple Number Coastal/Long Distance Low593.4
Triple Number Coastal/Long Distance Medium485.7
Triple Number Coastal/Long Distance High423.2
Triple Number Windward/Leeward Low751.9
Triple Number Windward/Leeward Medium598.7
Triple Number Windward/Leeward High512.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0112
Triple Number Coastal/Long Distance Medium1.2354
Triple Number Coastal/Long Distance High1.4178
Triple Number Windward/Leeward Low0.7980
Triple Number Windward/Leeward Medium1.0021
Triple Number Windward/Leeward High1.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low593.4
Triple Number Coastal/Long Distance Medium485.7
Triple Number Coastal/Long Distance High423.2
Triple Number Windward/Leeward Low751.9
Triple Number Windward/Leeward Medium598.7
Triple Number Windward/Leeward High512.5
Predominantly Upwind534.0
Predominantly Downwind472.7
Predominantly Reaching457.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0112
Triple Number Coastal/Long Distance Medium1.2354
Triple Number Coastal/Long Distance High1.4178
Triple Number Windward/Leeward Low0.7980
Triple Number Windward/Leeward Medium1.0021
Triple Number Windward/Leeward High1.1707
Coastal/Long Distance1.1435
Predominantly Upwind1.1236
Predominantly Downwind1.2694
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0112
Tretall Distanseseilas Mellomvind1.2354
Tretall Distanseseilas Mye vind1.4178
Tretall Pølsebane Lite vind0.7980
Tretall Pølsebane Mellomvind1.0021
Tretall Pølsebane Mye vind1.1707
Distanseseilas ett tall (OSN 8-16kn)1.1435
Distanseseilas ett tall (APH 6-20kn)1.2404
Enkeltall Motvind1.1236
Enkeltall Medvind1.2694
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Coastal/Long Distance524.71.1435
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind534.01.1236
Predominantly Downwind472.71.2694
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore490.51.2232
Cape Doctor Coastal408.01.4707
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0112
Triple Number Coastal/Long Distance Medium1.2354
Triple Number Coastal/Long Distance High1.4178
Triple Number Windward/Leeward Low0.7980
Triple Number Windward/Leeward Medium1.0021
Triple Number Windward/Leeward High1.1707
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0112
Triple Number Coastal/Long Distance Medium1.2354
Triple Number Coastal/Long Distance High1.4178
Triple Number Windward/Leeward Low0.7980
Triple Number Windward/Leeward Medium1.0021
Triple Number Windward/Leeward High1.1707
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Predominantly Upwind534.01.1236
Predominantly Downwind472.71.2694
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance524.71.1435
Triple Number Coastal/Long Distance Low593.41.0112
Triple Number Coastal/Long Distance Medium485.71.2354
Triple Number Coastal/Long Distance High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance818.9646.1566.8509.5468.8433.7376.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low593.41.0112
Triple Number All Purpose Medium485.71.2354
Triple Number All Purpose High423.21.4178
Triple Number Windward/Leeward Low751.90.7980
Triple Number Windward/Leeward Medium598.71.0021
Triple Number Windward/Leeward High512.51.1707
Predominantly Upwind534.01.1236
Predominantly Downwind472.71.2694
Predominantly Upwind Low658.40.9113
Predominantly Upwind Medium563.61.0646
Predominantly Upwind High538.11.1151
Predominantly Downwind Low640.60.9366
Predominantly Downwind Medium468.71.2800
Predominantly Downwind High356.61.6826
Chicago-Mac Upwind1.1049
Chicago-Mac All Purpose1.1691
Chicago-Mac Downwind1.2424
Bayview-Mac Cove Island1.1005
Bayview-Mac Shore1.1034
Harvest Moon Regatta401.81.4934
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy503.81.1910
San Francisco Bay Medium584.01.0274
Predominantly Reaching451.91.3278
Predominantly Reaching Low542.21.1067
Predominantly Reaching Medium449.61.3345
Predominantly Reaching High382.41.5691
Windward/Leeward 60-40 Low757.30.7923
Windward/Leeward 60-40 Medium625.50.9592
Windward/Leeward 60-40 High563.11.0655
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low810.00.7408
5-Band Low / Medium701.70.8551
5-Band Medium589.51.0177
5-Band Medium / High524.91.1430
5-Band High484.71.2378
ORC Ref  03330002RPDIssued on 24/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZILLA

USA 155

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMELGES 32MeasurementHINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA9.685Max. Beam2.936Draft2.140Displacement1,710Wetted area15.78IMS L9.077LSM08.441Acc. length9.542Sink (kg/mm) 12.19
VCGD-0.402VCGM-0.405RM Rated (kg·m) 55.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesRunners/Checkstays0Spreaders2Rotating mastNo
P13.425IG12.426ISP14.722MDT10.092MDL10.170MDT20.083MDL20.148TL1.825MW0.170GO0.205
E4.720J3.290BAS1.340FSD0.030SFJ0.140SPLWPLTPS5.825BD0.153MWT70.00MCG5.050
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.402Flotation Date15/06/2022MeasurerComment
SFFP1.040FFMFF0.960LCFcl5.159SG1.0260
SAFP9.480FAMFA0.700LCFsh5.353HBI0.916
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03330002RPDIssued on 24/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZILLA

USA 155

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMAIN0.201.222.103.384.1640.7322/08/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.070.520.971.822.643.5512.50NoNo 22.5822/08/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA216.9214.4015.669.339.6397%122.5422/08/2023
ORC Ref  03330002RPDIssued on 24/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org